Online HEIF to AVIF converter

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Supported image types: HEIF
Max file size: 200MB

All uploaded files are automatically deleted 1 hour after upload.
For permanent links you can use: https://ezgif.com/heif-to-avif?url=https://example.com/source-image.gif

Free Online HEIF to AVIF Converter

Convert HEIF images to AVIF (AV1 Image File Format) with this free online tool. AVIF offers comparable or better compression efficiency than HEIF, and is royalty-free with broader web browser support.

HEIF vs. AVIF: Next-Gen Format Comparison

Both HEIF and AVIF are modern image formats that significantly outperform JPEG. HEIF uses HEVC (H.265) compression and is primarily supported on Apple devices. AVIF uses the AV1 codec, which is royalty-free and has growing support across all major web browsers (Chrome, Firefox, Safari, Edge). Converting HEIF to AVIF is ideal when you need a modern, web-friendly format with broad browser support and excellent compression without royalty concerns.

How to Convert HEIF to AVIF

  1. Upload your HEIF file – Select from your device or paste a URL.
  2. Click "Convert to AVIF!" – Conversion is processed in seconds.
  3. Download the AVIF file – Save the optimized, web-ready image.

AVIF Advantages Over HEIF

  • Royalty-free – AVIF is based on the open AV1 codec, no licensing fees.
  • Browser support – Supported by all major modern browsers.
  • HDR and wide gamut – Full support for modern display technologies.
  • Excellent compression – Equal to or better than HEIF in many cases.

Need a more compatible format? Try HEIF to JPG, HEIF to PNG, or HEIF to WebP converters.