Convert AVIF to JPG
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Why you suddenly have .avif files
AVIF is the newest mainstream image format, built on the AV1 video codec, and it compresses harder than anything that came before it — smaller than WebP at the same visible quality. Websites serve it to make pages load faster, and every current browser accepts it. So when you save an image today, you increasingly get an .avif — and then discover that almost nothing else on your computer opens it.
The pattern is the same one WebP went through a few years earlier: browsers move first, the rest of the software world takes years to catch up. This page is the bridge across that gap.
What converting to JPG buys and costs
JPG is the most compatible image format there has ever been — thirty years of software opens it, every print shop takes it, every upload form accepts it. That compatibility is what you are buying.
The cost is size and a little quality. Both formats are lossy, so the re-encode discards a sliver of detail — invisible at the default quality — and the JPG will be noticeably larger than the AVIF was, often two or three times. That is not a fault of the conversion: AVIF is simply a far more efficient format, and the size gap is the compatibility tax.
Transparency becomes white
AVIF supports transparency; JPG does not. Anything see-through is flattened to white, which is right for a photograph and wrong for a logo or a sticker. If the image needs its transparency, send it through the image converter and choose PNG or WebP instead — those are the two destinations that keep an alpha channel.
The decoding happens in your browser — literally
There is no server and no decoder shipped with this page: your browser itself reads the AVIF, the same engine it uses to show one on a web page, and the tool re-encodes the pixels to JPG on a canvas. Two consequences follow. Nothing is uploaded, with no size cap and no queue. And the tool can only read what your browser can — Chrome, Firefox, Edge and Safari 16 or newer all decode AVIF, but a substantially older browser will not, and the tool says so honestly instead of spinning. Updating the browser is the fix.
Whole folders at once
Drop in a batch and take the results individually or as one zip. Each image is decoded in full while it converts, so device memory is the only real ceiling — hundreds at a time is comfortable.
If you shoot on iPhone
The same "new format nothing opens" problem has an Apple flavour: iPhones save photos as HEIC, and HEIC to JPG is the page for those. The two formats are unrelated under the hood, but the way out is the same one step.
Frequently asked questions
What is an AVIF file and why do I have one?
AVIF is the newest mainstream image format, built on the AV1 video codec, and it compresses even harder than WebP. Websites serve it to browsers that support it to load faster — so saving an image increasingly hands you an .avif. The format is excellent on the web and barely supported anywhere else, which is the entire reason to convert it.
Why will my photo editor not open it?
Because AVIF support outside browsers is still thin. Older Photoshop versions, most print services, many office suites and plenty of upload forms do not read it yet. JPG has been opened by everything for thirty years, which is what you are buying with the conversion.
Am I losing quality?
A little, in the re-encode — both formats are lossy. At the default quality the difference is not visible on any screen. Expect the JPG to be noticeably larger than the AVIF, often two or three times: AVIF is simply a much more efficient format, and the size gap is the compatibility tax.
What happens to transparency?
It becomes white. JPG has no alpha channel, so anything see-through has to become a solid colour. If the image needs to stay transparent — a logo, a sticker — convert it to PNG or WebP with the image converter instead.
The tool says it cannot read my AVIF. Why?
The decoding is done by your browser itself, and AVIF arrived in browsers only recently. Chrome, Firefox, Edge and Safari 16 or newer all read it; an older browser will not, and the tool says so rather than pretending. Updating the browser resolves it.