Quick Answer
Image conversion is usually about compatibility. JPG is widely accepted, PNG keeps transparency and sharp graphics, WebP is efficient for websites, and HEIC often needs conversion before sharing outside Apple devices.
Step-by-Step
- Choose the output format based on where the image will be uploaded or displayed.
- Use JPG for photos when small file size and broad compatibility matter.
- Use PNG for transparency, screenshots, logos, and sharp graphics.
- Use WebP for web performance when the destination supports it.
- Convert HEIC photos to JPG or PNG when a website, form, or recipient cannot open them.
Recommended Workflow
Open the most relevant calculator or utility first, enter a realistic starting point, then use the supporting tools to check assumptions, clean inputs, or prepare the final output.
FAQs
Which format is best for photos?
JPG is usually best for broad compatibility, while WebP can be better for website performance.
Which format supports transparency?
PNG and WebP support transparency. JPG does not.
Why convert HEIC?
Many upload forms and older systems do not accept HEIC, so converting to JPG is often the easiest fix.