How to use
- Add images — JPG, PNG, or anything your browser can open.
- WebP is preselected. Set the quality (75–85 suits most photos) or tick Lossless for graphics.
- Optionally cap the width to the size the image is displayed at.
- Download the WebP files, or all of them as a ZIP.
Options explained
- Quality
- WebP quality is not the same scale as JPG. WebP at 75–80 usually matches a JPG at 85–90.
- Lossless
- Keeps every pixel. Best for logos, icons and screenshots, where it is often smaller than PNG.
- Max width
- Resizing to the displayed size saves far more bytes than any quality setting.
Serving WebP with a fallback
<picture>
<source srcset="photo.webp" type="image/webp">
<img src="photo.jpg" alt="…" width="1200" height="800">
</picture>Frequently asked questions
Do all browsers support WebP?
Yes — every current version of Chrome, Safari, Firefox and Edge. For very old browsers, serve a JPG fallback with the <picture> element.
WebP or AVIF?
AVIF is usually smaller still, but encodes much more slowly. WebP is the safe, fast choice; you can offer both with <picture>.
Does WebP keep EXIF data?
The converted files do not include EXIF metadata such as GPS location or camera model, which is usually what you want for images published online.
Are files uploaded?
No. Conversion uses libwebp compiled to WebAssembly, running in your browser.
Privacy
This tool runs entirely in your browser. Your files and text are processed on your device and are never uploaded to our servers.