Format conversion
Convert JPG to WebP
Drop your JPG files below. Conversion happens on your device — nothing is uploaded, and there is no limit on how many you convert.
How to convert JPG to WebP
- Drop one or more JPG files onto the panel.
- Adjust the quality if WebP is a lossy format.
- Download the converted files individually or as a ZIP.
Why convert JPG to WebP?
WebP at equivalent perceptual quality is 25–34% smaller than JPEG, which is a direct reduction in page weight.
What is lost in the conversion?
This is a lossy-to-lossy conversion, so artifacts compound slightly. Convert from the highest-quality original you have rather than from an already-compressed copy.
How much smaller will the file be?
A 400 KB JPEG typically becomes 260–300 KB as WebP at matched quality.
File size depends heavily on image content. Photographs, screenshots and line art compress very differently, so treat these figures as typical rather than guaranteed.
JPG and WebP compared
| JPG | WebP | |
|---|---|---|
| Compression | Lossy | Lossless |
| Transparency | No | Yes |
| Animation | No | Yes |
| Browser support | Universal | ~97% |
| Best for | Photographs, universal sharing | Everything on the web |
Frequently asked questions
Is JPG to WebP conversion lossy?
No. WebP is lossless, so every pixel of the decoded source is preserved exactly.
Will I lose transparency?
No. WebP supports an alpha channel, so transparency is preserved.
Can I convert several files at once?
Yes. Drop as many as you like and download the whole batch as a ZIP.
Is there a file size limit?
No server-imposed limit. The ceiling is your device's memory, which is far above what upload-based converters allow.
Does it add a watermark?
No. No watermark, no daily cap and no signup.
Are my images uploaded?
No. Decoding and encoding both use your browser's built-in codecs on your own device.