How to convert JPG to WebP
WebP makes pages load faster. Google's own comparison found lossy WebP files 25 to 34% smaller than JPG at similar quality, and every current browser shows WebP.
- Add your JPG images: drop them on the box above, or press Choose JPG images. Add as many as you like.
- WebP is already selected. Set the quality.
- Each file converts straight away on your device. The list shows the size before and after.
- Press Download for one file, or Save all for a ZIP of them all (on a phone, Save all shares them so you can save to Photos).
JPG vs WebP
| JPG (JPEG) | WebP | |
|---|---|---|
| Best for | Photos | Images on websites |
| Transparency | No | Yes |
| Compression | Lossy: small files, some detail thrown away | Lossy or lossless, usually smaller than JPG and PNG |
| Opens in | Everywhere: every phone, computer, website and upload form | All current browsers; some older apps, Office versions and upload forms refuse it |
Good to know
- Quality 75 to 85 suits most web photos. Check the size before and after in the list.
- Safari can read WebP but cannot save it. If WebP is greyed out, use Chrome, Edge or Firefox.
- Keep your original JPGs: some email clients, older apps and upload forms do not accept WebP.
- Nothing is uploaded. Your images are read, converted and saved in this browser tab, and camera details and GPS location are not copied into the new file.
Questions
Is WebP better than JPG?
For websites, usually: smaller files at the same visible quality, plus transparency. For sharing with people and apps, JPG is still the most compatible.
Why is WebP greyed out?
Your browser cannot write WebP files (Safari reads them but cannot save them). Chrome, Edge and Firefox can.
Will my photos look worse?
At quality 80 and above the difference is very hard to see. Compare the before and after sizes and pick the lowest quality you are happy with.