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JPG to AVIF Converter

Convert images to AVIF, the smallest web format available.

Image Tools Reviews Free · no sign-up

Drop an image here, or click to choose one

JPEG, PNG or WebP in · AVIF out, the smallest widely supported web format

Quick Tool Overview

The JPG to AVIF Converter produces the smallest widely supported web image format — often less than half the size of an equivalent JPEG and 20 to 30 percent below WebP. Encoding is done by the browser, so it is fast and local, but support for writing AVIF varies and the page checks before you start.

What it does
Converts images to AVIF
You give it
A JPEG, PNG or WebP file
You get back
An AVIF with the size saving shown
Best for
Squeezing the last weight out of a page
Image Tools Free, unlimited use No sign-up Runs in your browser

About the JPG to AVIF Converter

AVIF compresses better than anything else in wide browser support, often landing 20 to 30 percent below WebP at matched quality and less than half the size of an equivalent JPEG. On an image-heavy page that is a real difference to how fast it loads.

Encoding is done by the browser itself, which means it is fast and nothing is uploaded, but it also means support varies — Chrome and Edge can write AVIF, and some other browsers still only read it. The tool checks before you start and says clearly whether encoding is available here. Because AVIF is not yet universal outside browsers, serving it through a picture element with a WebP or JPEG fallback is still the sensible pattern.

Key features of the JPG to AVIF Converter

The biggest saving available

AVIF routinely lands under half the size of a matched JPEG, and the gap widens the smaller you push it.

Checks encoder support first

Not every browser can write AVIF, so the page tests and tells you before you spend time on it.

Holds up at low quality

Settings that would visibly wreck a JPEG still look clean in AVIF, which is where the saving comes from.

Side-by-side comparison

Original and converted are shown together, because a percentage means nothing until you can see the picture.

Fallback advice included

The page is explicit that AVIF wants a picture element with a WebP or JPEG fallback for non-browser clients.

How to use the JPG to AVIF Converter

  1. 1

    Add an image

    JPEG, PNG or WebP all convert. You are told immediately whether your browser can write AVIF.

  2. 2

    Set the quality

    AVIF holds up at lower settings than JPEG — 50 to 65 is often plenty.

  3. 3

    Compare the sizes

    The original and AVIF sizes are shown together with the percentage saved.

  4. 4

    Download the AVIF

    Save it, and serve it with a fallback for older clients.

Frequently asked questions

Chrome and Edge can. Some others only decode it. The tool checks on load and tells you before you spend time on a conversion that cannot complete.

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