Format selection guide
Image Formats: JPG, PNG, WebP, AVIF and HEIC
Choose an image format based on compatibility, transparency, file size, and how you plan to share it.
Open the image compressorYour image stays on your device. PixPact does not upload image files for compression.
What to expect
- JPG is broadly compatible and useful for photographs.
- PNG supports transparency and is optimized losslessly in PixPact.
- WebP and AVIF can reduce file size in modern workflows, while HEIC is common on Apple devices.
How to use it
- Choose the format your destination supports.
- Use a local PixPact tool page for the conversion or compression you need.
- Keep the original file until you have checked the downloaded result.
Common questions
Which format is best for photos?
JPG is a broadly compatible option; WebP or AVIF can be useful where modern browser support is acceptable.
Which format supports transparency?
PNG supports transparency, and WebP or AVIF may also be suitable depending on where the image will be used.