AVIF to JPG Converter - Local, No Upload

Browser-local tool

Use AVIF to JPG

Your image is decoded and re-encoded on this device. No upload request is made.

Choose AVIFSelect a AVIF file from this device

Output formatBackground for transparency

Quality 92%

JPG cannot store transparency. Transparent pixels will use #ffffff.

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About AVIF to JPG

AVIF is the newest of the mainstream web image formats and the one most likely to leave you stuck. Browsers adopted it quickly because it compresses better than anything before it, so images saved from a modern website increasingly arrive as .avif - and then the photo editor, the print shop's upload form, or the office suite refuses to touch it. That gap between what a browser can display and what everything else can read is the entire reason this page exists. The conversion itself is straightforward because your browser already contains an AVIF decoder; what it lacks is an AVIF encoder, which is why traffic only flows one way. This page turns AVIF into the format with the widest compatibility of any raster image ever made.

Shape and export choices

The browser decodes the AVIF using the same code that displays it on a web page. This is a genuine decode to pixels, not a container swap, so the output is a real JPEG.
A canvas is prepared at the source dimensions and filled with white first. AVIF supports transparency and JPEG does not, so a background has to be chosen rather than left undefined.
The pixels are drawn and encoded as JPEG at a high quality setting, with no resizing. A 3000-pixel-wide AVIF produces a 3000-pixel-wide JPG.
The output is measured and shown next to the original so the size change is visible before you download anything.
Metadata in the AVIF container is not carried into the JPG, which keeps the result simple and avoids passing hidden fields along with a file you are about to share.

Good fits for AVIF to JPG

An image saved from a website will not open

Right-clicking and saving from a modern site frequently produces AVIF even when the page looked ordinary. Converting to JPG makes it readable by software that inspects the actual bytes rather than trusting the extension.

A print service rejects the upload

Print workflows are conservative and often accept only JPEG or TIFF. Convert first, then check whether the service also specifies a minimum resolution, which is a separate requirement from format.

Check the image before download

Expect the JPG to be considerably larger, often two to three times. AVIF is far more efficient, so moving to JPEG buys compatibility and pays for it in bytes.
This is lossy to lossy, so a second generation of compression is applied. The result cannot exceed the quality of the AVIF you started with.
Transparency is flattened onto white. If the image is a cut-out or a logo, convert AVIF to PNG instead, which keeps the alpha channel.
Animated AVIF yields a single still frame. JPEG has no animation model and the frames are not exported separately.
There is no route back. No browser can write AVIF, so keep the original if you may need it again.

Questions about AVIF to JPG

Why can I view AVIF but not edit it?

Browsers added AVIF decoding early because it saves bandwidth on web pages. Desktop applications update on much slower cycles, and many still have no AVIF support at all.

Will the file get bigger?

Almost certainly, and often by a large margin. AVIF's compression is the reason websites use it; JPEG cannot match it. You are trading size for compatibility.

Can I convert a JPG back to AVIF here?

No. Browsers can decode AVIF but cannot encode it, so no in-browser tool can produce one without downloading a large encoder. That is a genuine limit, not an omission.

What happens to a transparent background?

It is filled with white, because JPEG has no alpha channel. Use the AVIF to PNG converter if the transparency matters.