avif
AV1 Image File Format
The current efficiency leader, often half the size of JPEG at matching quality. Encoding is slow.
Runs entirely in your browser. The file is never uploaded, and it works offline.
Drop an AVIF file here
As many as you like. We will show you what they convert to.
Drop an AVIF file onto the converter, or pick one from your device. You can add several at once.
Pick JPG as the output format. Open Settings if you want to control the quality, how long to spend, and whether to keep EXIF, and 2 more.
Convert and download the finished file. No account, and nothing to install.
AV1 Image File Format
The current efficiency leader, often half the size of JPEG at matching quality. Encoding is slow.
JPEG
The universal lossy photo format. Small files, no transparency, and a little loss every time you re-save.
Yes. AVIF keeps everything, and JPG does not: it throws away detail to make the file smaller, and converting back cannot bring it back. If you need every detail kept, convert to PNG instead.
Yes, and the file will open — but a round trip is not free. Each pass re-encodes, so going AVIF to JPG and back leaves you with less than you started with.
You can set the quality, how long to spend, whether to keep EXIF, the width and height, and whether to enlarge. Anything left on Auto is decided by the encoder, which is usually the right answer unless you are targeting a specific size or device.
In this tab. AVIF to JPG is something the browser can already do, so the file never leaves your machine and the page keeps working offline.
Yes — there is a per-file cap and an hourly job limit, because this runs on one small server. The API page states the limits currently in force rather than a number baked into this page.