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Image Converter

WebP → AVIF

Drag and drop files here or click to select

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Popular

PNG → JPGPNG → WebPJPG → PNGJPG → WebPWebP → PNGWebP → JPGHEIC → PNGHEIC → JPGHEIC → WebP

All options

PNG → AVIFPNG → GIFPNG → BMPPNG → TIFFPNG → HEICJPG → AVIFJPG → GIFJPG → BMPJPG → TIFFJPG → HEICWebP → AVIFWebP → GIFWebP → BMPWebP → TIFFWebP → HEICAVIF → PNGAVIF → JPGAVIF → WebPAVIF → GIFAVIF → BMPAVIF → TIFFAVIF → HEICGIF → PNGGIF → JPGGIF → WebPGIF → AVIFGIF → BMPGIF → TIFFGIF → HEICBMP → PNGBMP → JPGBMP → WebPBMP → AVIFBMP → GIFBMP → TIFFBMP → HEICTIFF → PNGTIFF → JPGTIFF → WebPTIFF → AVIFTIFF → GIFTIFF → BMPTIFF → HEICHEIC → AVIFHEIC → GIFHEIC → BMPHEIC → TIFF

Why Convert WebP to AVIF?

WebP to AVIF conversion can further reduce file sizes by about 20–30% compared to WebP at similar quality levels. AVIF (AV1 Image File Format) is the newest generation of image compression, offering better efficiency than WebP, especially for complex photos and high-resolution images. Both formats support transparency and are designed for the web, but AVIF delivers superior compression with the latest codec technology.

WebP was a major improvement over JPG and PNG, but AVIF takes compression even further. If you're targeting modern browsers (Chrome 85+, Firefox 93+, Safari 16+) and want the absolute smallest file sizes, AVIF is the best choice. For sites with heavy image content (photography portfolios, e-commerce, news), upgrading from WebP to AVIF can measurably improve Core Web Vitals and reduce bandwidth costs.

Convert WebP to AVIF when you're already using WebP and want to optimize further for modern browsers, or when building new progressive web apps (PWAs) that prioritize cutting-edge performance. This free browser-based tool processes your images locally without uploading them to any server.

How to Use

1. Upload one or more WebP files. 2. Confirm AVIF is selected as the output format. 3. Adjust quality (70–85 is typical; higher values preserve more detail but increase file size). 4. Click Convert. 5. Download your AVIF files and integrate them into your website or app.

Examples

  • Convert product image WebPs to AVIF for an e-commerce site to shave 20–30% off file sizes.
  • Upgrade blog photo WebPs to AVIF for faster page loads and better SEO scores.
  • Batch convert portfolio WebPs to AVIF for a photography site targeting the latest browsers.

Tips

  • Use quality 75–85 for most images; preview the result to ensure it meets your standards.
  • Keep original WebP files as backups in case you need to re-export with different settings.
  • Provide WebP or JPG fallbacks for older browsers using element or server-side content negotiation.
  • Test AVIF images in your target browsers to confirm compatibility and visual quality.

When to Use WebP vs AVIF

| Scenario | Best Choice | |----------------------------------------------|-----------------| | Newest browsers (Chrome 85+, Firefox 93+, Safari 16+) | AVIF | | Broader compatibility (Chrome 23+, Firefox 65+, Safari 14+) | WebP | | Maximum file size savings | AVIF | | Production sites with mixed browser support | WebP + AVIF | | Older browsers | JPG or PNG |

Related Conversions

  • [Convert JPG to AVIF](/en/tools/image-converter/jpg-to-avif) to upgrade photos directly from the legacy format.
  • [Convert PNG to AVIF](/en/tools/image-converter/png-to-avif) for graphics with transparency.
  • [Convert WebP to JPG](/en/tools/image-converter/webp-to-jpg) if you need maximum compatibility instead.

FAQ

Is AVIF better than WebP?

Yes, for file size. AVIF is typically 20–30% smaller than WebP at similar quality.

Will AVIF work on all browsers?

No. AVIF requires Chrome 85+, Firefox 93+, or Safari 16+. Use WebP or JPG fallbacks for older browsers.

Does AVIF support transparency?

Yes. AVIF fully supports alpha channel transparency, just like WebP and PNG.

Can I convert AVIF back to WebP?

Yes. This tool also handles AVIF to WebP conversion if you need broader compatibility.