Compress WebP Online

Reduce WebP file size for web publishing, CDN optimization and faster page loads. LessMB compresses WebP images locally in your browser with no server upload.

Files stay on your device
How it works

Compress WebP Online for private browser workflows

Optimize WebP for the web

WebP is already an efficient format, but further compression can reduce file size for bandwidth-sensitive applications. Adjust quality to find the right balance.

Convert between formats

Convert WebP to PNG for lossless output, JPEG for broad compatibility, or AVIF for next-generation compression on supported browsers.

Local browser processing

All WebP compression runs in your browser session. Your images are not uploaded to any server during the process.

Common use cases

Further optimize WebP assets for Core Web Vitals and faster page load times.

Web performance

Reduce bandwidth costs by compressing WebP images before deploying to CDN.

CDN optimization

Shrink WebP files for platforms that support the format but have file size limits.

Email and messaging

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FAQ

Compress WebP Online FAQ

Answers for the most common questions about this tool, supported workflows, and local browser processing.

No uploadFree toolBrowser-based
Can I compress WebP files for free?

Yes. LessMB compresses WebP files for free in your browser without requiring an account.

Is WebP the smallest image format?

WebP is very efficient, but AVIF can sometimes produce even smaller files. Both are good choices for modern websites.

Will compressing WebP reduce quality?

Lower quality settings produce smaller files but may reduce visual clarity. LessMB shows you the result before downloading.