Local Browser ProcessingZero Server Uploads
WebP Resize Image
Resize WebP images for the web. WebP's efficient compression keeps resized assets small, and the original format is kept end-to-end.
Select images to resize
How to use
Four steps for WebP files — the whole flow runs in your browser.
- Upload your imageAdd one or more images via the upload box.
- Set dimensionsEnter width/height, pick a quick scale or a preset width — units include px, inch, cm and mm.
- Apply resizePress Resize; the aspect lock keeps proportions correct.
- DownloadSave the resized images individually or as a ZIP.
- Every step runs locally in your browser.
Key Features
WebP processing runs entirely in your browser — nothing is uploaded.
- Exact pixel dimensionsSet width and height precisely, or use presets.
- Aspect ratio lockingOne edited dimension derives the other from the image's own ratio.
- Quick scaling & presets25–200% quick scales and common target widths.
- Output format choiceKeep the original format or pick PNG, JPEG or WebP.
Frequently asked questions
Resizing in the source format avoids a second generation of lossy encoding. Resize first, then convert only if you need a different format.
The resizer targets still images; use static WebP frames for predictable results.