Convert to and from AVIF Free Online

Turn AVIF into JPG, PNG, or WebP—or encode those formats into AVIF (transparency kept). Add files, pick a format, download. Free, no account, nothing uploaded.

Conversion Settings

LowHigh
85%
Quality

AVIF encoding runs in your browser and may take longer on large images—please keep this tab open.

No files yet. Please upload images using the area above.

Features

Free & Unlimited

Convert as many images as you need—AVIF and common formats both ways. No registration. No limits.

100% Secure

All processing happens in your browser. Files never leave your device.

Fast Conversion

Export AVIF to JPG, PNG, or WebP quickly. Encoding to AVIF also runs locally (may take longer on large images) with no upload wait.

How to Convert Images

Follow these steps to convert to or from AVIF in your browser

1

Upload Files

Drag AVIF, JPG, PNG, or WebP files onto the upload area, or click to choose files from your computer.

2

Choose Format

Pick AVIF for modern compression (keeps transparency from PNG/WebP), JPG for maximum compatibility, PNG for lossless graphics, or WebP for the web. You can change format before converting.

3

Adjust Quality

For AVIF, JPG, and WebP, move the quality slider to balance file size and sharpness. PNG is lossless—the slider does not apply.

4

Download

Download each converted file individually or use batch download when available. Files remain on your device unless you choose to upload them elsewhere.

AVIF (AV1 Image File Format) refers to an image container format based on the AV1 video codec, standardized by the Alliance for Open Media for efficient, high-quality still images.

Formats explained

Choose the format that matches how you will use the image. Decode AVIF for compatibility, or encode JPG/PNG/WebP to AVIF when you want smaller modern files—all from the converter above.

Encode to AVIF

AVIF often shrinks photos and graphics for the web while keeping strong visual quality. Upload JPG, PNG, or WebP and choose AVIF as the output. If the source has transparency (PNG/WebP), the AVIF export keeps the alpha channel—no flat background required.

AVIF to JPG

JPG (JPEG) is the most compatible format for photos, social media, email, and older software. Convert AVIF to JPG when recipients cannot open .avif, or when a site only accepts JPEG. Tune compression with the quality slider.

AVIF to PNG

PNG supports lossless compression and transparency, which makes it suitable for screenshots, logos, UI assets, and images with sharp edges. File sizes are usually larger than JPG or WebP, but compatibility is excellent across editors and operating systems.

AVIF to WebP

WebP balances size and quality for modern websites and supports transparency in many cases. Converting AVIF to WebP helps when you need broader browser support than AVIF alone while keeping relatively small files for web delivery.

Who uses AVIF.best?

  • Content creators who download AVIF from the web and need JPG or PNG for WordPress, newsletters, or print—and who also encode PNG/WebP assets to AVIF for faster pages.
  • Office workers and students who need JPG or PNG attachments for email, slides, or printing.
  • Everyday users opening .avif photos from phones or apps, and webmakers packaging transparent PNG/WebP logos as AVIF.
  • Developers and designers preparing AVIF assets from existing JPG/PNG/WebP libraries without leaving the browser.

Sources and standards

Major claims about AVIF on this site align with open specifications and industry references:

“AVIF is specified as an image format derived from the AV1 bitstream, intended to deliver high compression efficiency for photographic and graphical content.”

— Alliance for Open Media, AV1 Image File Format specification

How conversion works

Your browser converts each file on your device so photos are not sent to us. Exporting to JPG/PNG/WebP is usually quick; encoding to AVIF is heavier and may take longer on large images.

Frequently Asked Questions

What does this converter do?
A free browser tool for AVIF both ways: turn AVIF into JPG, PNG, or WebP when you need compatibility, or encode JPG/PNG/WebP into AVIF for smaller web-ready files. Transparent PNG and WebP keep their alpha when you export AVIF. No install or account required.
Is AVIF.best safe for private photos?
Yes. Conversion runs entirely in your browser on your device. Your images are not uploaded to our servers, and basic use does not require a login. See our Privacy Policy for details.
Which formats can I convert?
Upload AVIF, JPG, PNG, or WebP. Export to AVIF, JPG, PNG, or WebP. Dedicated pages cover AVIF to JPG, AVIF to PNG, and AVIF to WebP; use the home converter when you want to encode into AVIF (transparency preserved for PNG/WebP).
Why convert AVIF to JPG or PNG?
AVIF often produces smaller files than JPEG or PNG at similar visual quality, but not every app, email client, or CMS accepts .avif yet. Converting to JPG or PNG helps when you share files with people on older software, upload to platforms that only allow JPEG, or archive images in a universally recognized format.
Can I convert multiple files at once?
Yes. Add several images (AVIF, JPG, PNG, or WebP) and convert them in one session. Everything still runs locally. Encoding to AVIF is heavier than exporting JPG/PNG/WebP, so large batches may take longer on low-end devices.
Does AVIF.best work on mobile browsers?
Yes on most modern phones. Chrome and Firefox for Android usually work well. On iPhone, if preview fails, convert to JPG first, then open the JPG in Photos or your editor.
Will converting AVIF to JPG reduce quality?
JPG is a lossy format, so some detail may be lost compared with the original AVIF, especially at low quality settings. Use a higher quality value (for example 85–95) when you need photos to stay sharp. For graphics with text or transparency, PNG is often a better export choice.
Is registration or payment required?
No. AVIF.best is free for converting to and from AVIF in your browser. We do not charge for standard conversion. If optional paid features appear later, the core converter will stay clearly labeled.