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HomeImagesWebP ↔ AVIF Converter

About WebP ↔ AVIF Converter

WebP ↔ AVIF Converter preview - Images tool

Convert images between WebP, AVIF, PNG, and JPEG in-browser. Part of the DevTools Surf developer suite. Browse more tools in the Images collection.

Use Cases

  • Optimize website images for faster page load times
  • Convert legacy JPEG assets to modern WebP format
  • Prepare AVIF images with JPEG fallbacks for progressive enhancement
  • Reduce image storage costs by batch-converting to efficient formats

Tips

  • Convert PNG or JPEG to WebP for 25-35% smaller file sizes
  • Try AVIF for even better compression on photographic images
  • Compare visual quality between formats before choosing

Fun Facts

  • WebP was developed by Google and released in 2010, based on the VP8 video codec's intra-frame compression technology.
  • AVIF, based on the AV1 video codec, was finalized in 2019 and typically achieves 50% smaller files than JPEG at equivalent quality.
  • Safari was the last major browser to add WebP support, finally shipping it in iOS 14 and macOS Big Sur in September 2020.

FAQ

Which conversions are possible?
Any combination of WebP, AVIF, PNG, JPEG. All formats convert bidirectionally.
Is AVIF ready for production?
Yes — ~95% browser support as of 2026. Serve AVIF with a WebP fallback for older browsers using `<picture>` element.
What quality setting?
Quality slider 1-100. AVIF at 50 often matches WebP at 75 visually. Experiment with samples to find your sweet spot per image type.
Does it handle transparency?
Yes — WebP, AVIF, and PNG all support alpha. JPEG doesn't; the tool flattens against a background color when targeting JPEG.

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