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Move images to and from WebP — usually a much smaller file for the same visible quality. Conversion happens in your browser, and WebP support is checked before anything runs.
Drag an image here, or
JPG, PNG or WebP · up to 30 MB
WebP uses more modern compression than JPG, so it stores a similar-looking image in fewer bytes, and it also supports transparency and animation. The catch is compatibility: every current browser displays WebP, but some older software and upload forms do not. This tool converts both ways, and checks that your browser can actually create WebP before it runs.
This tool runs entirely in your browser using the Canvas API. Your file is never uploaded to a server, stored, or sent anywhere — close the tab and nothing remains.
Images are processed on your device — nothing is uploaded.
For file size at a given quality, yes — usually 25–35% smaller, plus transparency and animation support. For compatibility, JPG is still ahead: it works everywhere and is accepted by nearly every upload form.
No. The JPG has already lost detail permanently. Converting to WebP produces a smaller file built from the already-compressed image. Export WebP from your original source if quality matters.
Every current web browser can. Some older desktop applications and a few upload forms still cannot, which is why you should convert to JPG before sending a file elsewhere.
A small number of browsers can display WebP but not encode it. Rather than silently hand you a JPG when you asked for WebP, Kreviax tells you — you can still convert WebP files to JPG or PNG.