To open This format: Use Chrome, Firefox, Edge, or Windows 11 Photos app. AVIF is the newest image format with 50% smaller files than WebP. Convert: Use Squoosh.app (free, by Google) to convert This type ↔ JPG/PNG/WebP.

this type

How to Open AVIF Files

Next-Gen Image Format - Smaller Than WebP & JPG

Quick Facts

Full NameAV1 Image File Format
Based OnAV1 Video Codec
DeveloperAlliance for Open Media
Compression50% smaller than WebP
HDR SupportYes (10/12-bit)
TransparencyYes (alpha channel)

What is an The file File?

AVIF (AV1 Image File Format) is the newest image format, developed by the Alliance for Open Media (Google, Apple, Netflix, Mozilla). It uses the AV1 video codec for still images, achieving unprecedented compression.

AVIF vs WebP vs JPG

FeatureThe extensionWebPJPG
File Size (same quality)SmallestMediumLargest
Quality at low bitrateBestGoodPoor
HDR SupportYesNoNo
TransparencyYesYesNo
AnimationYesYesNo
Browser Support94%97%100%
Encoding SpeedSlowMediumFast

How to Open AVIF Files

Web Browsers (Easiest)

Modern browsers open These files natively — just drag file onto browser window:

Windows 11

Windows 11 supports AVIF natively in Photos app. Just double-click.

Windows 10

Install AV1 Video Extension from Microsoft Store (free), then AVIF opens in Photos.

Mac

macOS Ventura (13+) supports These files natively. Older versions: use Preview with These files plugin or convert online.

Image Editors

How to Convert This file

These files to JPG/PNG (Online)

JPG/PNG to AVIF

Convert your images to This type for smaller files:

Batch Convert

Using AVIF on Websites

AVIF can dramatically reduce image bandwidth. Use with fallback:

<picture>
  <source srcset="imagethe format" type="image/avif">
  <source srcset="image.webp" type="image/webp">
  <img src="image.jpg" alt="Description">
</picture>

Browsers automatically choose the best supported format.

CDN Support

Many CDNs auto-convert to AVIF:

Frequently Asked Questions

What is an AVIF file? +
AVIF is a next-generation image format based on the AV1 video codec. Created by the Alliance for Open Media (Google, Apple, Netflix), it offers 50% smaller files than WebP while maintaining quality. It supports HDR, transparency, and animation.
Can I open AVIF in Photoshop? +
Photoshop 2023 and later support AVIF natively. Older versions need conversion first. Free alternatives like GIMP 2.10.22+ also support AVIF.
Is AVIF better than WebP? +
Yes, This file offers ~30% smaller files than WebP at same quality. The file also supports HDR and 12-bit color. However, This format encodes slower and has slightly less browser support (94% vs 97%).
Should I use The extension on my website? +
Yes, with WebP/JPG fallback using the <picture> element. AVIF significantly reduces bandwidth. Major sites like Netflix and Google already use AVIF.
Why is This format encoding slow? +
The extension uses complex AV1 compression that takes more CPU time. This is a one-time cost during creation—decoding (viewing) is fast. Use speed presets in Squoosh for faster encoding.

Related Formats

WebP Images JPG Images PNG Images HEIC (iPhone)