Developer & Code Tools
Format, validate, convert, compare, encode, decode, and inspect code, data, APIs, and schemas.
.env Diff Checker
Compare two .env files, find added, removed, changed, and unchanged keys, and generate a clean migration checklist.
.env Validator
Validate .env content for duplicate keys, empty values, invalid names, quotes, comments, and formatting issues.
.gitignore Generator
Generate a practical .gitignore file for common project stacks including Node, Python, PHP, Java, macOS, and Windows.
.htaccess Redirect Generator
Generate Apache .htaccess redirect rules for single URLs, HTTPS forcing, www redirects, and trailing slash cleanup.
Acronym Finder
Find acronyms, abbreviations, all-caps terms, possible definitions, and repeated shorthand in pasted text.
API Endpoint Checklist
Generate API endpoint review checklists for methods, authentication, validation, errors, pagination, rate limits, and docs.
API Error Decoder
Decode API error responses, HTTP status codes, JSON error bodies, headers, and likely next troubleshooting steps.
ASCII to Text
Convert ASCII decimal codes back into readable text.
Base64 Encode / Decode
Convert text to Base64 or decode Base64 back to readable text.
Base64 Image Decoder
Decode a Base64 image data URL and preview the image directly in your browser.
Base64 Image Encoder
Encode an uploaded image into a Base64 data URL for HTML, CSS, testing, and prototypes.
Base64 to Image
Decode Base64 image strings into preview-ready data URI guidance for checking embedded image data and browser output.
Basic Auth Header Generator
Generate an HTTP Basic Authorization header from username and password for API testing and documentation.
Bearer Token Header Generator
Generate Authorization bearer token header text for API requests, documentation, and testing workflows.
Binary to Text
Decode binary code into readable text instantly.
Changelog File Generator
Create a structured CHANGELOG.md file for releases and project updates.
Checksum Calculator
Calculate file checksums and text hashes for quick integrity checks.
CIDR Overlap Checker
Check IPv4 CIDR ranges for overlaps, duplicates, address counts, and sorted network boundaries before updating firewall or VPN rules.
Code Diff Viewer
Compare code snippets line by line and summarize changed lines, added blocks, removed sections, and review notes.
Color Converter
Convert colors between HEX, RGB, and HSL instantly.
Column Name Standardizer
Standardize spreadsheet and CSV column names into snake_case, camelCase, kebab-case, Title Case, or database-safe names.
CORS Header Generator
Generate CORS response headers for origins, methods, headers, credentials, max age, and API documentation.
Cron Expression Generator
Build common cron expressions for scheduled jobs and recurring tasks.
Cron Next Run Calculator
Estimate upcoming run times from simple cron expressions for scheduling, automation, and server maintenance.
CSS Beautifier
Format messy CSS into clean, readable code with indentation.
CSS Class Extractor
Extract CSS class names from HTML, JSX, templates, and snippets for audits, cleanup, and style reviews.
CSS Color Extractor
Extract hex, RGB, HSL, named colors, gradients, and repeated color tokens from CSS or HTML.
CSS Gradient Generator
Create linear or radial CSS gradients and copy the CSS.
CSS Minifier
Compress CSS by removing comments, whitespace, and unnecessary formatting.
CSS Palette Auditor
Extract, classify, count, and audit CSS color values from pasted CSS or HTML for design cleanup and token migration.
CSS to JS Object
Convert CSS declarations into a JavaScript style object for React and inline styles.
CSS Variable Usage Auditor
Audit CSS custom properties for duplicate definitions, unused variables, undefined var() references, and fallback usage.
CSV Allowed Values Validator
Validate CSV column values against an allowed list, flag invalid rows, and download a clean QA report.
CSV Base64 Field Validator
Validate Base64 strings in CSV columns for encoded assets, API payloads, tokens, and migration data.
CSV Bucketizer
Group numeric CSV values into custom buckets or ranges and append the matching bucket label.
CSV Case Normalizer
Normalize text case in selected CSV columns using lower, upper, title, sentence, or capitalized words mode.
CSV Chart Generator
Create bar, line, or pie charts from pasted CSV data and download the chart as a PNG.
CSV Cleaner
Clean CSV data by trimming spaces, removing empty rows, and duplicate rows.
CSV Column Calculator
Create a new CSV column from simple math expressions using existing numeric columns.
CSV Column Combiner
Combine multiple CSV columns into one new or replacement column using a custom separator and optional source-column removal.
CSV Column Counter
Count CSV columns from the header row and preview column names from pasted data.
CSV Column Extractor
Extract one column from pasted CSV data.
CSV Column Hasher
Hash selected CSV column values with SHA-256 in your browser for privacy-safe IDs, lookup keys, and anonymized exports.
CSV Column Mapper
Map source CSV columns to target fields for imports, migrations, CRM uploads, ecommerce feeds, and databases.
CSV Column Masker
Mask selected CSV column values by keeping configurable leading and trailing characters for safer sharing and testing.
CSV Column Prefixer
Add a prefix to every value in a selected CSV column, with optional blank-cell skipping and append-or-replace output.
CSV Column Renamer
Rename CSV columns with manual mappings, presets, and duplicate-safe headers while preserving row data.
CSV Column Reorderer
Reorder CSV columns by header names, keep extras, and download a clean CSV for imports or handoffs.
CSV Column Splitter
Split one CSV column into multiple columns using a delimiter, fixed width, or regular expression separator.
CSV Column Suffixer
Add a suffix to every value in a selected CSV column, with optional blank-cell skipping and append-or-replace output.
CSV Column Trimmer
Trim whitespace in one CSV column or every CSV column, with options to collapse internal spacing and preserve clean CSV output.
CSV Column Type Converter
Convert selected CSV columns into numbers, booleans, dates, trimmed text, or quoted text for cleaner imports.
CSV Column Type Guesser
Paste CSV data and infer likely column types, null rates, unique counts, examples, and schema notes for cleanup or imports.
CSV Compare
Compare two CSV datasets for added rows, removed rows, changed values, duplicate keys, and column differences.
CSV Conditional Column
Create a new CSV column from simple if/then rules, preview changed rows, and download the updated file.
CSV Correlation Checker
Compare two numeric CSV columns and calculate Pearson correlation with row counts and outlier notes.
CSV Country Code Validator
Validate ISO country code columns in CSV files for alpha-2, alpha-3, or numeric country codes.
CSV Cross-Column Compare Validator
Compare two CSV columns with numeric, date, or text rules and export rows that fail validation.
CSV CSS Color Validator
Validate CSS color values in CSV columns, including hex, rgb(), rgba(), hsl(), hsla(), named colors, transparent, and currentColor.
CSV CSS Variable Name Validator
Validate CSS custom property names in CSV columns for design tokens, themes, and style dictionaries.
CSV Currency Cleaner
Clean currency columns in CSV data by removing symbols, commas, spaces, and accounting parentheses.
CSV Currency Code Validator
Validate ISO 4217 currency code columns in CSV files for product feeds, invoices, orders, and billing imports.
CSV Currency Format Validator
Validate CSV currency columns for symbols, decimals, negative values, and format rules before import.
CSV Data Profiler
Profile CSV data for row counts, empty values, duplicate values, column summaries, and data quality notes.
CSV Date Gap Finder
Find missing dates in a CSV date column, summarize gaps, and export a missing-date report.
CSV Date Normalizer
Normalize messy CSV date columns into ISO, US, EU, or timestamp formats while preserving row order.
CSV Date Range Validator
Validate CSV date columns against allowed start and end dates, with invalid and missing date reporting.
CSV Deduplicator
Remove duplicate CSV rows from pasted data while keeping the first occurrence.
CSV Delimiter Detector
Detect comma, tab, semicolon, pipe, or custom delimiters in pasted data.
CSV Domain Allowlist Checker
Check URL or email domains in a CSV column against allowed and blocked domain lists, then export a QA report.
CSV Domain Extractor
Extract domains from URL or email columns in CSV data, append a clean domain column, and download the enriched CSV.
CSV Duplicate Column Finder
Find duplicate CSV headers and columns with identical values so messy exports can be cleaned before import.
CSV Duplicate Key Finder
Find duplicate key values in a CSV column, count repeated records, and export a duplicate-key report for data cleanup.
CSV Editor
Edit CSV rows and columns in browser-friendly text form with cleanup, preview, and copyable CSV output.
CSV Email Domain Validator
Check CSV email columns for invalid addresses, blocked domains, or domains outside an approved list.
CSV Email Validator
Validate email addresses in a CSV column, flag invalid rows, and download a clean validation report.
CSV Empty Column Remover
Remove CSV columns that are completely empty, mostly empty, or blank after trimming, then download a cleaner CSV.
CSV File Extension Validator
Validate file extension columns in CSV manifests, asset exports, uploads, and migration reports.
CSV Filter Builder
Filter CSV rows by column, operator, and value, then download the result.
CSV Group By Tool
Group CSV rows by one column, count rows, sum numeric fields, and download a summarized CSV report.
CSV Group Completeness Checker
Check grouped CSV records for required fields across each group, such as orders, accounts, or customer records.
CSV Header Normalizer
Clean CSV column names into snake_case, camelCase, Title Case, or lowercase headers.
CSV Hex Color Validator
Validate hex color values in CSV columns for product data, design tokens, theme imports, and style feeds.
CSV HSL Color Validator
Validate HSL and HSLA color strings in CSV columns for theme imports, product data, and style token feeds.
CSV HTML Tag Validator
Validate HTML tags inside CSV fields for CMS imports, product feeds, rich text migrations, and content cleanup.
CSV HTTP Status Code Validator
Validate HTTP status code columns in CSV logs, redirect maps, crawl exports, and URL audit reports.
CSV IBAN Column Validator
Validate IBAN columns in CSV data, normalize spacing, flag bad checksums, and export an issue report.
CSV IP Address Validator
Validate IPv4 or IPv6 address columns in CSV data and export invalid, private, or public IP checks.
CSV Join / Lookup
Join two CSV tables by matching key columns, like a lightweight VLOOKUP.
CSV JSON Column Validator
Validate JSON stored inside CSV cells, check the expected JSON type, and export invalid rows as a QA report.
CSV Language Code Validator
Validate language code columns in CSV files for locale imports, content catalogs, translations, and CMS data.
CSV Latitude Longitude Validator
Validate CSV latitude and longitude columns for valid numeric coordinates and export bad rows.
CSV Leading Zero Fixer
Pad CSV values with leading zeros for ZIP codes, SKUs, IDs, and account numbers before import.
CSV Locale Code Validator
Validate locale code columns in CSV files, including language-region pairs like en-US and fr-CA.
CSV Luhn Column Validator
Validate CSV columns with the Luhn checksum for test card numbers, account IDs, and other check-digit fields.
CSV MAC Address Validator
Validate MAC address columns in CSV files, flag bad formats, and export a row-by-row issue report.
CSV Merger
Combine multiple CSV files into one clean merged CSV instantly.
CSV MIME Type Validator
Validate MIME type columns in CSV files, flag unknown media types, and export a clean issue report.
CSV Missing Value Finder
Find blanks, nulls, N/A values, and incomplete rows by CSV column.
CSV Null Replacer
Replace blank, null, N/A, and custom missing values in CSV data while preserving headers and row order.
CSV Numeric Range Validator
Validate CSV number columns against minimum and maximum limits, flag invalid rows, and export a QA report.
CSV Outlier Detector
Find numeric outliers in CSV columns using z-score or IQR checks, then download a flagged-row report.
CSV Percentile Calculator
Calculate percentile values for a numeric CSV column, including median, quartiles, and custom percentiles.
CSV Phone Validator
Validate phone numbers in a CSV column, flag short or malformed values, and download a row-by-row report.
CSV Pivot Table Builder
Group CSV rows by a column and aggregate count, sum, average, min, or max.
CSV Range Filter
Filter CSV rows by numeric or date ranges in a selected column and download only the matching rows.
CSV Regex Column Validator
Validate CSV column values with a regular expression, flag non-matching rows, and download a QA report.
CSV Required Field Checker
Check required CSV columns for missing, blank, or whitespace-only values and export a validation report.
CSV RGB Color Validator
Validate RGB and RGBA color strings in CSV columns for themes, design tokens, product feeds, and style imports.
CSV Row Counter
Count rows, empty rows, and data rows in pasted CSV content for quick spreadsheet checks.
CSV Row Diff Marker
Compare two CSV datasets by key, mark added, removed, changed, and unchanged rows, then download a diff report.
CSV Row Numberer
Add row numbers, custom prefixes, and starting IDs to CSV exports before sharing or importing.
CSV Row Rule Filter
Filter CSV rows with starts-with, contains, equals, empty, numeric comparison, and regex rules, then copy or download the result.
CSV Row Sampler
Take first, random, or every-N samples from CSV data and download the sampled rows.
CSV Running Total
Calculate a running total for a numeric CSV column and append cumulative values to each row.
CSV Sample Generator
Generate sample CSV rows from column names, field types, row count, example values, and test data notes.
CSV Schema Detector
Detect likely CSV column types, required fields, empty columns, sample values, and schema notes from pasted data.
CSV Slug Format Validator
Validate URL slug columns in CSV files, flag uppercase letters, spaces, punctuation, and duplicate slugs.
CSV Sort by Column
Sort CSV rows by a selected column using text, numeric, or date sorting.
CSV Splitter
Split large CSV data into smaller chunks by row count.
CSV Text Length Analyzer
Analyze character lengths in selected CSV columns, flag short or long values, and export a CSV report for data QA.
CSV Time Zone Validator
Validate IANA time zone names in CSV columns before imports, scheduling workflows, and account migrations.
CSV to DOC
Convert CSV files to DOC with a browser file check first and Pro conversion for accurate downloadable output.
CSV to HTML
Convert CSV files to HTML tables with a free browser preview first and Pro conversion for downloadable HTML output.
CSV to JSON
Convert CSV spreadsheet data into clean JSON instantly.
CSV to JSONL
Convert CSV data into JSON Lines format for imports, logs, data pipelines, scripts, and AI dataset preparation.
CSV to Markdown
Convert CSV files to Markdown with a browser file check first and Pro conversion for accurate downloadable output.
CSV to Markdown Table
Convert CSV data into Markdown tables with headers, aligned columns, and copy-ready documentation output.
CSV to MDB
Convert CSV files to MDB with a browser file check first and Pro conversion for accurate downloadable output.
CSV to Table
Convert pasted CSV data into a clean HTML table preview directly in your browser.
CSV to TSV
Convert comma-separated CSV text into tab-separated values for spreadsheets and data tools.
CSV to XLS
Convert CSV files to XLS with a browser file check first and Pro conversion for accurate downloadable output.
CSV to XML
Convert pasted CSV rows into simple XML records for data migration and review.
CSV to YAML
Convert pasted CSV data into YAML-style records for configuration and data review.
CSV URL Query Param Validator
Validate required, allowed, missing, and duplicate URL query parameters inside CSV URL columns.
CSV URL Validator
Validate URL columns in CSV data, normalize missing protocols, and flag suspicious or malformed URLs.
CSV UUID Validator
Validate UUID columns in CSV data, check version options, flag invalid IDs, and download a QA report.
CSV Value Mapper
Replace values in a CSV column from mapping rules, preview changed rows, and download the updated CSV.
CSV Z-Score Calculator
Calculate z-scores for a numeric CSV column, flag unusual values, and download an enriched CSV.
CSV ZIP Postal Code Validator
Validate ZIP and postal code columns for US, Canadian, UK, or custom patterns and download an issue report.
cURL Command Generator
Generate a cURL command from method, URL, headers, and request body for API testing and developer documentation.
cURL to Fetch Converter
Convert cURL commands into JavaScript fetch() snippets.
Data Dictionary Generator
Generate data dictionary rows with field names, types, descriptions, examples, required flags, and validation notes.
Decimal to Text
Convert decimal character codes into readable text instantly.
DKIM Record Explainer
Explain DKIM DNS record fields, selector, public key, tags, domain alignment, and email authentication context.
DOC to JSON
Convert DOC files to JSON with a browser file check first and Pro conversion for accurate downloadable output.
DOC to XML
Convert DOC files to XML with a browser file check first and Pro conversion for accurate downloadable output.
Docker Compose Generator
Generate docker-compose starter YAML for services, ports, volumes, environment variables, networks, and dependencies.
Dockerfile Generator
Generate a starter Dockerfile for Node, Python, PHP, static site, or generic app workflows for quick project setup.
Domain Extractor
Extract domain names from URLs, emails, text, logs, backlinks, and pasted website lists.
Duplicate Row Finder
Find duplicate CSV rows by all columns or selected key columns, with duplicate groups, counts, and a downloadable report.
EditorConfig Generator
Create a .editorconfig file for consistent code formatting across editors and teams.
EML to JSON
Convert EML files to JSON with a browser file check first and Pro conversion for accurate downloadable output.
ENV File Generator
Generate clean .env file content from key-value rows for app configuration and local development.
ENV to JSON
Convert .env key-value configuration lines into JSON for documentation, local tooling, and environment reviews.
ET to CSV
Convert ET files to CSV with a browser file check first and Pro conversion for accurate downloadable output.
Extract Text from HTML
Remove HTML tags and keep readable text instantly.
Fetch Code Generator
Generate JavaScript fetch code from an API method, URL, headers, and JSON body for quick frontend development.
Field Name Normalizer
Normalize field names into snake case, camel case, labels, database columns, API keys, and spreadsheet headers.
File Hash Compare
Compare file hash values, checksums, filenames, sizes, and verification notes for downloads and backups.
File Manifest Generator
Generate a CSV or text manifest from selected files with names, extensions, sizes, relative paths, and modified dates.
Folder List Compare
Compare two folder file lists for missing files, added files, renamed items, and organization differences.
Form Validation Generator
Generate client-side JavaScript validation for required fields, email, phone, length, numbers, and patterns.
Formula Builder
Build common Excel and Google Sheets formulas for lookups, conditional logic, cleanup, dates, math, and text operations.
Git Commit Message Generator
Generate clear git commit messages from change notes using conventional commit style, scope, type, and summary.
GraphQL Formatter
Format GraphQL queries and mutations with readable indentation and spacing.
GraphQL Minifier
Minify GraphQL queries by removing comments, extra whitespace, and line breaks.
GraphQL Query Tester
Inspect a GraphQL query, count operations, and identify selected fields from pasted query text.
GraphQL Schema Formatter
Format GraphQL schema definitions with clean spacing, type blocks, fields, comments, and readable structure.
GraphQL Schema Validator
Review GraphQL schema text for type definitions, fields, enum blocks, syntax clues, and validation notes.
Heading Extractor
Extract H1 through H6 headings from pasted HTML to review page structure, outlines, and SEO hierarchy.
Hex to Text
Decode hexadecimal values into readable text instantly.
HTML Beautifier
Format messy or minified HTML into clean, readable, indented code.
HTML Entity Decoder
Decode HTML entities back into readable text.
HTML Escape / Unescape
Convert special HTML characters into entities or decode entities back to text.
HTML Form Field Extractor
Extract form fields, labels, input names, types, required states, placeholders, and validation notes from HTML.
HTML Form Generator
Generate clean HTML forms with fields, labels, validation attributes, CSS, preview, copy, and download options.
HTML Heading Checker
Check pasted HTML for heading structure, H1 count, and heading order issues.
HTML Link Extractor
Extract href URLs and anchor text from HTML.
HTML List Generator
Turn pasted lines into clean ordered or unordered HTML list markup.
HTML Minifier
Compress HTML by removing comments, extra spaces, and line breaks.
HTML Script Defer Audit
Scan HTML script tags for blocking scripts, missing async or defer attributes, inline scripts, modules, and third-party sources.
HTML Table Generator
Convert rows and columns into clean HTML table code.
HTML Title Checker
Check pasted HTML for title tag presence, length, and common SEO title issues.
HTML to AZW3
Convert HTML files to AZW3 Kindle format with a browser file check first, then use Pro conversion for modern Kindle output.
HTML to Markdown
Convert HTML content into clean Markdown.
HTML to ODT
Convert HTML to ODT with a free browser preview first, then use Pro conversion for OpenDocument output.
HTML to PDB
Convert HTML files to PDB ebook format with a browser file check first, then use Pro conversion for legacy reader output.
HTML to Text
Convert HTML markup into readable plain text by stripping tags and decoding visible content.
HTML to TXT
Convert HTML to TXT with a free browser preview first, then use Pro conversion for clean plain text output.
HTML to XLS
Convert HTML files to XLS with a browser file check first and Pro conversion for accurate downloadable output.
HTTP Cache Header Generator
Generate HTTP cache headers for static assets, APIs, HTML pages, immutable files, and revalidation strategies.
HTTP Header Checker
Check status codes, response headers, and redirects instantly.
HTTP Header Diff Checker
Compare two HTTP header blocks, highlight missing or changed headers, and review security and cache header differences.
HTTP Header Generator
Generate common HTTP headers for content type, caching, security, authorization, CORS, and API requests.
HTTP Header Parser
Parse pasted HTTP response headers into readable fields.
HTTP Method Reference
Summarize HTTP methods, safe and idempotent behavior, request examples, status expectations, and API notes.
HTTP Request Builder
Build a readable HTTP request from method, URL, headers, query parameters, and body for testing or documentation.
HTTP Status Code Checker
Check URL status codes, redirects, errors, and response timing instantly.
HTTP Status Troubleshooter
Troubleshoot HTTP status codes with likely causes, server-side checks, client-side checks, and copyable action plans.
Image to Base64
Convert image data notes into Base64 data URI format guidance for inline HTML, CSS backgrounds, and testing workflows.
Image URL Extractor
Extract image URLs from HTML, Markdown, CSS snippets, srcset attributes, and pasted page source.
INI to JSON
Convert INI configuration files into structured JSON with sections and key-value pairs.
IP Range Splitter
Split IP ranges into smaller ranges, CIDR planning notes, allocation groups, and network documentation output.
JavaScript Beautifier
Format minified or messy JavaScript into readable code instantly.
JavaScript Minifier
Compress JavaScript by removing comments, spaces, and line breaks.
JavaScript Syntax Checker
Paste JavaScript and check for syntax errors, line numbers, common parse issues, and quick debugging notes in your browser.
JS Object to CSS
Convert a JavaScript style object into CSS declarations for quick styling cleanup.
JSON Array Deduplicator
Remove duplicate objects from a JSON array by exact object value or selected key fields.
JSON Array Filter
Filter JSON arrays by field, operator, and value, then copy or download the filtered JSON.
JSON Array Grouper
Group an array of JSON objects by a selected key and export grouped JSON or a count summary CSV.
JSON Array Length Validator
Validate JSON arrays against minimum and maximum length rules, including wildcard paths, and export a report.
JSON Array Slicer
Slice a JSON array by start, end, and step values, then copy or download the smaller JSON array.
JSON Array Sorter
Sort JSON arrays by a field path using text, number, or date order.
JSON Array to Object
Convert a JSON array of objects into an object keyed by an ID or slug field for API and config workflows.
JSON Base64 Field Validator
Validate Base64 strings inside JSON paths for API payloads, encoded assets, tokens, and data migrations.
JSON Boolean Value Validator
Check JSON paths for true boolean values or accepted boolean-like strings and export mismatches.
JSON Compare
Compare two JSON objects for changed keys, added values, removed properties, type changes, and nested differences.
JSON Country Code Validator
Validate ISO country codes inside JSON paths for alpha-2, alpha-3, or numeric country code fields.
JSON CSS Color Validator
Validate CSS color values inside JSON paths for themes, design tokens, product feeds, and style payloads.
JSON CSS Variable Name Validator
Validate CSS custom property names inside JSON paths for design tokens, themes, and generated CSS variables.
JSON Currency Code Validator
Validate ISO 4217 currency code fields inside JSON paths for prices, orders, invoices, and product feeds.
JSON Currency Format Validator
Validate JSON currency values for symbols, decimals, negative values, and import-ready money format rules.
JSON Date Format Validator
Validate JSON date path values against ISO, US, EU, or custom date patterns, including wildcard array paths.
JSON Depth Analyzer
Measure JSON nesting depth, deepest paths, array depth, object depth, and complexity before API or schema cleanup.
JSON Diff Viewer
Compare two JSON objects, validate syntax, flatten keys, and highlight added, removed, changed, and unchanged values.
JSON Domain Allowlist Checker
Check domain values inside JSON paths against an allowed domain list for links, emails, and API payloads.
JSON Domain Blocklist Checker
Check domains inside JSON paths against a blocked domain list for links, emails, payloads, and content feeds.
JSON Dot Path Expander
Expand dot-path key/value rows into nested JSON objects for config files, API payloads, and test fixtures.
JSON Email Format Validator
Validate email address values inside JSON paths, including wildcard array paths, and export invalid entries.
JSON Empty Cleaner
Remove null values, empty strings, empty arrays, and empty objects from JSON with a browser-only cleanup pass.
JSON Enum Value Validator
Validate JSON path values against allowed enum values, including wildcard array paths, and export a mismatch report.
JSON File Extension Validator
Validate file extension values inside JSON paths for asset manifests, uploads, DAM exports, and migration payloads.
JSON Flatten / Unflatten
Flatten nested JSON into dot-path keys or rebuild nested JSON from paths.
JSON Flattener / Unflattener
Flatten nested JSON into dot-path keys or rebuild flat JSON paths back into nested objects and arrays.
JSON Formatter
Format, beautify, validate, or minify JSON instantly.
JSON Hex Color Validator
Validate hex color values inside JSON paths for design tokens, theme files, product data, and style payloads.
JSON HSL Color Validator
Validate HSL and HSLA color strings inside JSON paths for design tokens, themes, and style payloads.
JSON HTML Tag Validator
Validate HTML tags inside JSON paths for API payloads, CMS content, product descriptions, and migration exports.
JSON HTTP Status Code Validator
Validate HTTP status code values inside JSON paths, including wildcard arrays and response payload checks.
JSON IBAN Validator
Validate IBAN values inside JSON paths, normalize spacing, flag bad checksums, and export an issue report.
JSON IP Address Validator
Validate IPv4 and IPv6 values inside JSON paths, including wildcard arrays and private IP checks.
JSON Key Case Converter
Convert JSON object keys recursively to camelCase, snake_case, kebab-case, PascalCase, or CONSTANT_CASE.
JSON Key Counter
Count JSON keys, nesting depth, arrays, objects, and repeated fields from pasted JSON.
JSON Key Renamer
Rename JSON object keys deeply or by exact path, then copy or download the cleaned JSON.
JSON Language Code Validator
Validate language code values inside JSON paths, including wildcard arrays and optional region subtags.
JSON Lat Long Validator
Validate latitude and longitude pairs inside JSON paths and export a coordinate QA report.
JSON Lines Formatter
Validate, format, minify, and convert JSONL or NDJSON records.
JSON Locale Code Validator
Validate locale code values inside JSON paths, including wildcard arrays and language-region subtags.
JSON Luhn Validator
Validate JSON values with the Luhn checksum for test card numbers, account IDs, and check-digit fields.
JSON MAC Address Validator
Validate MAC address values inside JSON paths, including wildcard arrays, normalized output, and multicast checks.
JSON Merge Tool
Merge two JSON objects or arrays, choose overwrite rules, dedupe by key, and download clean JSON.
JSON MIME Type Validator
Validate MIME type values inside JSON paths, including wildcard arrays and structured payload checks.
JSON Minifier
Compress JSON by removing whitespace and formatting.
JSON Null Finder
Find null values, empty strings, and empty arrays or objects in JSON with copyable path reports and CSV export.
JSON Number Range Validator
Validate JSON numeric path values against minimum and maximum limits, including wildcard array paths.
JSON Object to Array
Convert a keyed JSON object into an array of objects while preserving each original key as a field.
JSON Path Inventory
List every path in a JSON document with sample values, counts, and downloadable CSV output.
JSON Path Picker
Pick selected dot paths from JSON objects or arrays and output a smaller JSON payload for APIs and configs.
JSON Path Remover
Remove selected dot-paths from nested JSON objects and arrays, including wildcard array/object segments, without changing the remaining values.
JSON Path Tester
Test simple JSON paths against pasted JSON and preview the matching value.
JSON Path Type Checker
Check JSON paths against expected data types, including wildcard array paths, and export a validation report.
JSON Path Value Replacer
Replace selected JSON path values with fixed text, null, booleans, numbers, or empty strings using dot paths and wildcards.
JSON Phone Number Validator
Validate phone number values inside JSON paths for CRM imports, lead forms, contact APIs, and data cleanup.
JSON Required Path Checker
Check JSON objects or arrays for required dot paths, including wildcard paths, and report missing fields.
JSON RGB Color Validator
Validate RGB and RGBA color strings inside JSON paths for theme files, design tokens, and style payloads.
JSON Sample Generator
Generate sample JSON objects from field names, types, nesting notes, arrays, and mock API examples.
JSON Schema Example Generator
Generate sample JSON data from a JSON Schema with support for strings, numbers, booleans, arrays, objects, enums, and defaults.
JSON Schema Generator
Generate a basic JSON Schema from a sample JSON object or array.
JSON Schema Validator
Validate simple JSON data against required fields from a pasted JSON Schema.
JSON Slug Format Validator
Validate slug fields inside JSON payloads, including wildcard paths, duplicate slug detection, and length checks.
JSON Sort Keys
Sort JSON object keys alphabetically, recursively or at the top level.
JSON String Value Cleaner
Recursively clean JSON string values by trimming whitespace, collapsing spaces, removing line breaks, and skipping selected paths.
JSON Text Length Analyzer
Analyze character lengths inside JSON paths, flag short or long values, and export a data QA report.
JSON Time Zone Validator
Validate IANA time zone names inside JSON paths, including wildcard arrays and optional UTC offsets.
JSON to CSV
Convert JSON arrays into clean CSV instantly.
JSON to ENV
Convert flat JSON objects into .env key-value lines for app configuration, deployment notes, and local setup files.
JSON to Form Builder
Paste JSON or schema-like data and generate an HTML form with inferred fields, labels, and preview.
JSON to Markdown Table
Convert simple JSON arrays or objects into Markdown tables for documentation, reports, and README files.
JSON to PHP Array
Convert JSON objects and arrays into readable PHP array syntax for configuration files and backend snippets.
JSON to Python Dict
Convert JSON into Python dictionary syntax with booleans, null values, lists, and nested objects adjusted for Python.
JSON to SQL
Convert JSON objects or arrays into simple SQL INSERT statements for quick database imports.
JSON to Table
Convert JSON arrays or objects into a readable HTML table for quick review and copying.
JSON to TOML
Convert simple JSON objects into TOML-style configuration text for quick setup files.
JSON to TypeScript Interface
Convert sample JSON into a TypeScript interface with inferred string, number, boolean, array, and object property types.
JSON to XML
Convert JSON objects and arrays into clean XML.
JSON to YAML
Convert JSON into clean, readable YAML instantly.
JSON Type Inspector
Inspect JSON paths, count value types, detect mixed fields, and download a type inventory report.
JSON URL Format Validator
Validate URL values inside JSON paths, including wildcard array paths, and report invalid or unsafe URLs.
JSON URL Query Param Validator
Validate required, allowed, missing, and duplicate URL query parameters inside JSON paths.
JSON UUID Format Validator
Validate UUID values inside JSON paths, including wildcard arrays, with optional UUID version checks.
JSON Validator
Validate JSON syntax and identify errors instantly.
JSON Value Extractor
Extract values from JSON by key name or dotted path, then copy or download the result.
JSON ZIP Postal Code Validator
Validate ZIP and postal code values inside JSON paths for address imports, checkout payloads, and location data.
JSONL to CSV
Convert JSON Lines data into CSV, flatten nested objects, collect headers, and download spreadsheet-ready output.
JWT Debugger
Decode JWT header and payload sections in the browser to inspect claims, algorithms, audiences, and token details.
JWT Decoder
Decode JSON Web Tokens and view header, payload, and claims.
JWT Expiration Checker
Check JWT exp and iat timestamp claims to estimate token age, expiration time, and remaining validity.
JWT Generator
Create unsigned JWT-style token parts from header and payload JSON for demos, documentation, and API learning.
JWT Validator
Validate JWT structure, decode header and payload, and check token timing claims.
Keep Lines Containing Text
Keep only lines that match specific words, phrases, URLs, domains, or regex patterns.
Kubernetes YAML Starter
Generate starter Kubernetes YAML for deployments, services, containers, ports, replicas, labels, and environment variables.
License File Generator
Create a LICENSE file for an open-source or private project.
MAC Address Formatter
Format MAC addresses with colons, hyphens, dots, uppercase, lowercase, validation notes, and cleanup output.
Markdown Image Extractor
Extract Markdown image references, alt text, image URLs, titles, and missing alt text review notes.
Markdown Link Extractor
Extract Markdown links, labels, URLs, titles, duplicate links, and link inventory notes from pasted content.
Markdown Previewer
Write Markdown and preview formatted output instantly.
Markdown Table Generator
Convert rows and columns into clean Markdown table format.
Markdown Table to CSV
Convert Markdown tables into clean CSV rows for spreadsheets, imports, data cleanup, and documentation workflows.
Markdown to HTML
Convert Markdown into clean HTML code.
Markdown to HTML Preview
Preview Markdown as clean HTML in the browser and copy the generated HTML for documentation, posts, and pages.
Metadata Extractor
Extract metadata fields from pasted HTML, documents notes, image notes, and page source for quick review.
MIME Type Lookup
Look up common MIME types by file extension and generate content type header values for web and API work.
Mock API Response Generator
Generate mock API responses with status, pagination, data arrays, error examples, metadata, and JSON body.
Morse Code to Text
Decode Morse code dots and dashes into readable text instantly.
MSG to JSON
Convert MSG files to JSON with a browser file check first and Pro conversion for accurate downloadable output.
MX Record Checker
Look up email MX records for a domain and review mail server priorities.
NGINX Redirect Generator
Generate NGINX redirect rules for URL redirects, HTTPS redirects, www redirects, and canonical host cleanup.
NPM Ignore Generator
Create a .npmignore file that keeps unnecessary and private files out of npm packages.
Octal to Text
Decode octal ASCII values into readable text for programming, encoding, and data cleanup tasks.
ODS to CSV
Convert ODS spreadsheets to CSV with a local package check first, then use Pro conversion for clean data export.
ODT to JSON
Convert ODT files to JSON with a browser file check first and Pro conversion for accurate downloadable output.
ODT to XML
Convert ODT files to XML with a browser file check first and Pro conversion for accurate downloadable output.
OpenAPI Path Extractor
Extract endpoints, methods, operation IDs, tags, and summaries from OpenAPI JSON or simple YAML specs.
OpenAPI Spec Starter
Generate a starter OpenAPI specification outline with paths, methods, parameters, responses, schemas, and server notes.
OpenAPI Validator
Review OpenAPI specification text for paths, methods, schemas, responses, servers, and common documentation gaps.
Package.json Validator
Validate package.json structure, required fields, scripts, dependencies, version format, and common Node project issues.
Prettier Config Generator
Create a .prettierrc file for consistent Prettier formatting.
Query String Parser
Parse URL query strings into readable key-value pairs and decoded parameter values.
README File Generator
Create a clean README.md file for a project, script, tool, or internal workflow.
Regex Explainer
Break a regular expression into readable parts and summarize anchors, character classes, groups, and quantifiers.
Regex Match Extractor
Extract regex matches and capture groups from text into a readable table.
Regex Replace Tool
Find and replace text using regular expressions, flags, and capture groups.
Regex Tester
Test regular expressions, highlight matches, and replace text.
ROT13 Converter
Encode or decode ROT13 text for puzzles, forums, and simple ciphers.
ROT47 Converter
Encode or decode text using the ROT47 cipher instantly.
Script Tag Extractor
Extract script tags, source URLs, inline script notes, async flags, and tracking script references from HTML.
Semver Compare Tool
Compare semantic versions, detect major/minor/patch changes, sort version lists, and check simple version ranges.
Spaces to Tabs Converter
Convert leading spaces into tabs for indentation cleanup, code formatting, and text normalization workflows.
SPF DKIM DMARC Checker
Check SPF, DMARC, and common DKIM DNS records for email authentication setup.
Spreadsheet Date Converter
Convert Excel serial dates, ISO dates, Unix timestamps, and US/EU date formats.
Spreadsheet Formula Explainer
Explain spreadsheet formulas in plain language, including functions, references, operators, and possible issues.
SQL Beautifier Pro
Beautify SQL queries with readable indentation, line breaks, clause spacing, joins, and query review notes.
SQL Formatter
Beautify messy SQL queries into clean, readable SQL.
SQL INSERT Generator
Generate SQL INSERT statements from table name, column names, and CSV-style rows for database import drafts.
SQL Minifier
Minify SQL queries by removing extra whitespace, comments, line breaks, and formatting noise for compact output.
SQL Query Builder
Build a basic SQL SELECT query from table name, columns, WHERE filters, ORDER BY, and LIMIT values.
SQL Table Schema Generator
Generate SQL table schemas from field names, data types, required flags, indexes, and primary key notes.
SQL to JSON
Convert simple SQL INSERT statements into JSON rows for quick data inspection.
SVG Minifier
Minify SVG code into a compact single-line version for inline HTML, CSS backgrounds, icons, and web assets.
SVG Optimizer
Clean simple SVG markup by removing comments, extra whitespace, metadata, and formatting noise for smaller inline graphics.
Table Extractor
Extract tables from pasted HTML into readable rows, columns, headers, and copyable text summaries.
Table to CSV
Convert pasted HTML table markup into clean CSV text for spreadsheets and data cleanup.
Tabs to Spaces Converter
Convert tabs to a chosen number of spaces for code snippets, plain text alignment, and document cleanup.
Text Diff Pro
Compare two text blocks and find added, removed, changed, and matching lines.
Text to ASCII
Convert letters, numbers, symbols, and spaces into ASCII codes.
Text to Binary
Convert readable text into binary code instantly.
Text to Columns
Split text into clean columns using commas, tabs, spaces, line breaks, or custom delimiters.
Text to Decimal
Convert text into decimal ASCII codes instantly.
Text to Hex
Convert plain text into hexadecimal instantly.
Text to Markdown
Convert plain text notes into simple Markdown with headings, bullet lists, links, quotes, and code block formatting.
Text to Morse Code
Convert letters, numbers, and punctuation into Morse code dots and dashes.
Text to Octal
Convert text into octal character codes instantly.
TIFF to JSON
Convert TIFF files to JSON with a browser file check first and Pro conversion for image and media workflows.
TOML Formatter
Format TOML configuration text and check for common syntax issues in the browser.
TOML to JSON
Convert simple TOML configuration text into formatted JSON for easier review.
TSV to CSV
Convert tab-separated values into comma-separated CSV text for spreadsheets and imports.
TypeScript Type Guard Generator
Generate TypeScript interfaces and runtime type guard functions from sample JSON objects or arrays.
Unicode Character Inspector
Inspect pasted characters, Unicode code points, invisible characters, names, and basic character details.
URL Encoder / Decoder
Encode or decode URLs, query strings, and special characters.
URL List Compare
Compare URL lists for missing URLs, duplicates, added pages, removed pages, and sitemap migration checks.
URL Parser
Break down URLs into protocol, domain, path, query parameters, and hash.
URL Query Builder
Build URLs with encoded query parameters from key-value pairs without manual escaping.
XLS to CSV
Convert legacy Excel XLS spreadsheets to CSV with a browser file check first, then Pro conversion for clean data export.
XLS to XML
Convert XLS files to XML with a browser file check first and Pro conversion for accurate downloadable output.
XLSB to CSV
Convert XLSB files to CSV with a browser file check first and Pro conversion for accurate downloadable output.
XLSM to CSV
Convert XLSM files to CSV with a browser file check first and Pro conversion for accurate downloadable output.
XML Compare
Compare XML snippets for tag changes, attribute differences, missing nodes, text updates, and structure notes.
XML Formatter
Format, beautify, minify, and validate XML instantly.
XML Minifier
Minify XML by removing extra whitespace and line breaks while preserving valid XML structure.
XML to CSV
Convert repeated XML elements into CSV rows by extracting child element values.
XML to JSON
Convert XML into clean readable JSON.
XML to YAML
Convert repeated XML elements into YAML-style records for configuration and review.
XML Validator
Check XML syntax, parsing errors, and structure instantly.
YAML Formatter
Beautify YAML files, fix indentation, and validate structure.
YAML to CSV
Convert YAML arrays or objects into CSV text for spreadsheets and data cleanup.
YAML to ENV
Convert simple YAML key-value settings into .env format for environment variables and deployment configuration.
YAML to JSON
Convert YAML into clean, formatted JSON instantly.
YAML Validator
Validate YAML syntax, detect parsing errors, and preview the parsed data structure.
Web App Manifest Generator
Create a downloadable site.webmanifest file for installable websites and PWAs with icons, colors, display mode, and app metadata.
Browserconfig XML Generator
Generate a browserconfig.xml file for Microsoft tile icons with tile color, square logos, wide logo, and clean XML output.
OpenSearch XML Generator
Create an opensearch.xml file so browsers can offer your site search as a search provider with a clean downloadable XML file.
Ads.txt Generator
Create a downloadable ads.txt file for AdSense, direct sellers, and advertising partners with clean seller lines and validation hints.
App-ads.txt Generator
Generate an app-ads.txt file for mobile app ad inventory with direct or reseller seller lines and downloadable plain text output.
Humans.txt Generator
Create a clean humans.txt file with team credits, site details, technology notes, contact links, and downloadable plain text output.
Assetlinks JSON Generator
Generate an Android assetlinks.json file for verified app links with package name, SHA-256 certificate fingerprints, and relation settings.
Apple App Site Association Generator
Create an apple-app-site-association file for iOS Universal Links with app IDs, URL paths, and optional web credentials.
Site Verification File Generator
Generate downloadable verification files for Google Search Console, Bing Webmaster Tools, Pinterest, and other ownership checks.
Dockerignore Generator
Generate a practical .dockerignore file for Node, Python, PHP, build outputs, logs, secrets, and local development files.
Gitattributes Generator
Create a .gitattributes file for line endings, binary files, archives, generated files, and GitHub linguist rules.
ESLint Config Generator
Generate an eslint.config.js starter for browser, Node, TypeScript, React, and common ignore patterns.
TSConfig Generator
Generate a tsconfig.json file for TypeScript apps, libraries, Node projects, strict mode, JSX, path aliases, and output folders.
JSConfig Generator
Create a jsconfig.json file for JavaScript projects with module settings, checkJs, path aliases, and include/exclude rules.
Stylelint Config Generator
Generate a stylelint.config.js file for CSS projects with standard rules, property ordering notes, and ignore patterns.
Vite Config Generator
Generate a vite.config.js file for vanilla, React, Vue, library builds, aliases, dev server settings, and output folders.
Webpack Config Generator
Create a webpack.config.js starter for JavaScript apps with entry, output, dev server, CSS handling, and asset rules.
PostCSS Config Generator
Generate a postcss.config.js file with autoprefixer, nesting, cssnano, Tailwind notes, and clean plugin output.
Babel Config Generator
Generate a babel.config.js file for modern JavaScript, React JSX, TypeScript syntax, browsers targets, and module output settings.
Rollup Config Generator
Create a rollup.config.js file for library builds with input, ESM/CJS outputs, sourcemaps, external dependencies, and plugin notes.
Tailwind Config Generator
Generate a tailwind.config.js file with content globs, dark mode, theme colors, container settings, and plugin placeholders.
Browserslist Generator
Generate a .browserslistrc file for modern web apps, broad support, library packages, or custom browser targets.
Commitlint Config Generator
Create a commitlint.config.js file for Conventional Commits with type enums, max header length, and scope rules.
lint-staged Config Generator
Generate a lint-staged configuration for formatting, linting, and checking only staged files before commits.
Husky Hook Generator
Generate Husky hook files for pre-commit, commit-msg, pre-push, lint-staged, tests, and Commitlint workflows.
Biome Config Generator
Create a biome.json file for formatting, linting, organizing imports, ignore patterns, and JavaScript/TypeScript project defaults.
Dependabot Config Generator
Generate a .github/dependabot.yml file for npm, GitHub Actions, Docker, Composer, pip, and scheduled dependency updates.
GitHub Actions Workflow Generator
Generate GitHub Actions workflow YAML for Node, Python, Docker, test, build, and deploy pipelines.
Semantic Release Config Generator
Create a semantic-release configuration for npm packages, GitHub releases, changelogs, branches, and release notes.
Changeset Config Generator
Generate a Changesets config file for package changelogs, fixed or linked packages, access settings, and release workflows.
npmrc Generator
Generate an .npmrc file for registry URLs, package scopes, strict SSL, save behavior, and engine checks.
NVMRC Generator
Create an .nvmrc file for Node version pinning, LTS aliases, project onboarding, and CI consistency.
CODEOWNERS Generator
Generate a GitHub CODEOWNERS file for default reviewers, directories, file patterns, docs, frontend, backend, and security ownership.
Prettier Ignore Generator
Generate a .prettierignore file for build folders, generated files, package locks, vendor assets, and project-specific paths.
ESLint Ignore Generator
Create an .eslintignore file for legacy ESLint setups, generated code, build output, vendored files, and ignored test fixtures.
Stylelint Ignore Generator
Generate a .stylelintignore file for CSS build output, generated styles, minified bundles, vendor files, and framework artifacts.
Node Version File Generator
Generate a .node-version file for Node runtime pinning across fnm, nodenv, mise, CI, and team onboarding.
Volta Config Generator
Generate the package.json volta block for pinning Node, npm, pnpm, or Yarn versions in JavaScript projects.
Tool Versions Generator
Create an .tool-versions file for asdf or mise with Node, Python, Ruby, Go, Java, pnpm, and custom runtime pins.
Env Example Generator
Generate a safe .env.example file from variable names, defaults, comments, and required/optional groups.
Pull Request Template Generator
Create a GitHub pull request template with summary, testing, screenshots, checklist, risk notes, and reviewer guidance.
Issue Template Generator
Generate GitHub issue templates for bugs, feature requests, support tickets, reproduction steps, and acceptance criteria.
Contributing Guide Generator
Generate a CONTRIBUTING.md file with setup steps, branch naming, commit style, testing, code review, and release guidance.
Code of Conduct Generator
Create a CODE_OF_CONDUCT.md file with community expectations, unacceptable behavior, reporting steps, and enforcement notes.
Security Policy Generator
Generate a SECURITY.md file with supported versions, vulnerability reporting steps, disclosure expectations, and response timing.