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Convert images to AVIF online

100% localFiles never leave your device — no upload, no account, no tracking.
About Image to AVIF

Convert your images to AVIF, the AV1-based format that beats WebP and JPEG at most quality levels. Drop in a PNG, JPG, or WebP, pick a quality, and get a dramatically smaller file ideal for modern websites and apps.

Encoding happens locally in your browser via WebAssembly. The source image never leaves your device, so the entire conversion is private and offline-capable.

How it works
  1. 01

    Add an image

    Drop a PNG, JPG, or WebP file onto the page or select it from your device.

  2. 02

    Set quality

    Choose the AVIF quality level to balance size and detail.

  3. 03

    Convert

    Click Convert to encode an AVIF locally in your browser.

  4. 04

    Download

    Save the AVIF image.

Features
next-gen formatsmallest filesadjustable quality
Frequently asked
How does the Image to AVIF converter work?
Convert your images to AVIF, the AV1-based format that beats WebP and JPEG at most quality levels. Drop in a PNG, JPG, or WebP, pick a quality, and get a dramatically smaller file ideal for modern websites and apps.
Are my files uploaded to a server?
No. Everything runs entirely in your browser using local JavaScript and WebAssembly. Your files never leave your device.
Does it cost anything or require an account?
No. The converter is free, needs no sign-up, and runs locally in your browser.
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