Convert JPG photos to the modern WebP format locally - noticeably smaller at the same quality, no upload.
Running locally on your device ...
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Your files never left your device
No. Everything runs in your browser - your file never leaves your device. How this is verifiable
WebP is Google's modern web image format and often delivers 25-35% smaller files than JPG at comparable quality. That speeds up websites and saves bandwidth - which is exactly why Google recommends WebP for web images. For a JPG photo, lossy WebP is the right fit.
The image is painted onto a local canvas and encoded as WebP; the quality slider controls the balance of size and sharpness. A JPG has no transparency, so the result is an opaque WebP.
Everything runs in the browser - no upload, no account, even offline. Your photos never leave your device, unlike online converters that upload your images to third-party servers.
| Input formats | JPG, JPEG |
|---|---|
| Output format | WEBP |
| Batch processing | Yes |
| Processing | Locally in your browser (JavaScript) |
| File upload | None |
Limitations: WebP here is lossy (like JPG); the quality slider controls compression. Very old browsers or programs may not open WebP - then JPG is the more compatible choice. Animated inputs are converted as a single frame.
No. The conversion runs entirely locally in the browser - even in airplane mode.
At equal quality usually 25-35% versus JPG, depending on the image.
WebP here is lossy; at 80 the difference is usually invisible. Higher = larger and sharper.
Yes, with the "WebP to JPG" tool.
Yes, download individually or as a ZIP.