Column Name Standardizer

Convert messy spreadsheet headers into clean snake_case, camelCase, PascalCase, kebab-case, or readable labels with duplicate and reserved-word handling.

Upload CSV or text file
Files are processed locally in your browser.
Load a sample or paste your data to begin.

Free Online Column Name Standardizer

Paste headers from CSV, Excel, SQL exports, APIs, or analytics reports and generate a clean field-name mapping. The tool flags duplicates, reserved words, leading numbers, and names that changed.