Why would I compress a WebP file if WebP is already compressed?

Many WebP files are exported at maximum quality settings or converted from other formats without optimization. Recompressing at a targeted quality level can shave off 30-50% of the file size with minimal visible change. This is especially useful for web developers who need to hit specific performance budgets or page weight targets.

Which browsers support WebP images?

WebP is supported in all modern browsers including Chrome, Firefox, Safari (version 14+), Edge, and Opera. As of 2024, global browser support exceeds 97%. The only notable holdout is older iOS Safari versions. If you need universal compatibility, consider converting critical images to JPEG as a fallback while serving WebP to supported browsers.

Does WebP support transparency like PNG?

Yes. WebP supports both lossy and lossless compression with an alpha channel for transparency. In fact, WebP files with transparency are typically 26% smaller than equivalent PNG files. This makes compressed WebP an excellent choice for logos, icons, and UI overlays where both small file size and transparency are needed.

How does WebP compression compare to JPEG and PNG?

Google designed WebP to replace both JPEG and PNG for web use. Lossy WebP files are 25-34% smaller than comparable JPEG images at the same visual quality. Lossless WebP is 26% smaller than PNG. The format achieves this through more advanced prediction algorithms and entropy coding that exploit patterns human eyes are less sensitive to.

Will this tool work offline after the page loads?

Yes. Once this page has fully loaded in your browser, the compression engine runs entirely in JavaScript and Web Workers. You can turn off your internet connection and continue compressing WebP files. This also means your images are never uploaded to a server, making the tool suitable for confidential or proprietary visual assets.

Back to Tools

Compress WebP Images — Squeeze More From an Already Efficient Format

WebP delivers impressive compression out of the box, but there is almost always room to go further. Many images exported from design tools or CMS platforms use conservative quality settings that leave bytes on the table. This tool lets you recompress WebP files at a precise quality level, often cutting another 30-50% without any perceptible loss. It runs entirely in your browser with no server uploads, making it ideal for optimizing site assets, app images, or any WebP file that needs to be leaner.

WebP Quality:75%

Drop WebP files here or click to browse

Accepts .webp files only

사용 방법

Add Your WebP Files

Drag WebP images into the drop area or click to open the file picker. You can process multiple WebP files in a single batch for faster workflow.

Fine-Tune the Quality Setting

WebP already offers strong compression, so small quality adjustments can make a meaningful difference. Use the slider to find the sweet spot between file size and visual clarity.

Download the Smaller Files

Your recompressed WebP images are available for immediate download. The originals remain untouched on your device at all times.

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