Sevio
No sign-up · Secure · To your target size

Compress WebP online

WebP is already compact, yet it can be squeezed further. Sevio reduces WebP file size with no noticeable quality loss — handy for the final optimization pass on your site’s images.

Upload up to 20 images at once with a total size of up to 30 MB — completely free, no sign-up required. Create an account or to compress up to 30 images with a total size of up to 50 MB.

Compression mode

applies to all files

Auto mode

Maximum compression with no visible quality loss.

How it works

  1. 1

    Drop your images or pick files — a ZIP archive works too.

  2. 2

    Choose the compression mode and, if needed, a target size.

  3. 3

    Download the results one by one or as a single ZIP.

Frequently asked questions

We use modern encoding algorithms. In "Soft compression" mode quality is set to 90% — visually indistinguishable from the original, but gives a 30-60% size reduction. In "Compress to size" mode the algorithm picks the quality automatically to hit your target.
JPG (JPEG), PNG, WebP, AVIF, HEIC and HEIF. You can also upload a ZIP archive — we'll unpack it automatically and process all images inside. HEIC files are converted to JPEG for compatibility with all devices.
JPG and WebP files up to 20 MB are processed directly in your browser — we don't upload them to our servers. Files larger than 20 MB or in other formats (PNG, AVIF, HEIC) are processed on the server and deleted automatically after processing.

Related tools

Compress images to the exact sizeCompress PNG onlineCompress AVIF onlineConvert JPG to WebP