Local Browser ProcessingZero Server Uploads
WebP Compress Image
Re-compress WebP images to hit a size budget while keeping browser-ready quality — handy for optimizing existing site assets without changing format.
Select images to compress
How to use
Four steps for WebP files — the whole flow runs in your browser.
- Upload your imageAdd the images you want to shrink.
- Choose compression settingsPick a quality level, or a target size like 200 KB.
- CompressPress Compress — processing happens on your device.
- DownloadCheck the achieved size, then download.
- Every step runs locally in your browser.
Key Features
WebP processing runs entirely in your browser — nothing is uploaded.
- Quality controlsA quality slider with a live size estimate for the active image.
- Target file sizeHit limits like 100 KB — the tool finds the best quality that fits.
- Multiple image supportCompress a batch and download everything as a ZIP.
- Format optionsKeep the original format or choose JPEG, PNG or WebP.
Frequently asked questions
Yes. Re-encoding at a lower quality setting (or a target size) usually shrinks it further; the tool reports the exact output size before you download.
Yes — WebP supports alpha, and compression preserves it. Flattening only happens if you explicitly choose JPEG output.