WebP AVIF Batch Compressor

Free WebP and AVIF batch compressor — optimize many images in your browser, compare size savings, and download a ZIP.

Batch-compress images to modern WebP or AVIF entirely in your browser. For single-file JPEG/WebP/AVIF compression with a simpler UI, see Image Compressor.

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Drop a batch of photos or graphics to compress them to WebP or AVIF and download a ZIP of the results.

Encoding uses your browser's canvas encoders — nothing is uploaded. Animated GIFs use the first frame only. AVIF availability depends on the browser.

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