Add files from where they live
Drop a AVIF file on the box, browse for it, or import it from Dropbox, Google Drive or a link. You can add more files later, and each file gets its own result.
Convert AVIF to JPG online. Add a file, confirm JPG and download it. A single file needs no account.
Converting AVIF to JPG trades a compact, modern file for one that opens anywhere. You get an ordinary photo that older editors, viewers and upload forms accept. Expect the JPG to be noticeably bigger than the AVIF, and know that any transparent areas or HDR brightness in the original are flattened along the way.
Transfers use HTTPS, and files converted on the free tier are deleted within 24 hours, so the result is not a long-term archive. Quality depends on the source file, so open the JPG file once before you share it.
AVIF (AV1 Image File Format)
A modern image format from the Alliance for Open Media that stores pictures using AV1 video compression. It compresses far harder than JPG and supports transparency, HDR, 10 and 12-bit colour and animation, but reached browsers only around 2020.
JPEG (Joint Photographic Experts Group)
A lossy photo format from the early 1990s built on block-based DCT compression. It is limited to 8-bit standard dynamic range with no alpha channel, yet it opens in practically every editor, viewer, email client and content management system.
Drop a AVIF file on the box, browse for it, or import it from Dropbox, Google Drive or a link. You can add more files later, and each file gets its own result.
A progress bar shows the file moving through the conversion. If you picked the wrong file, cancel and start again.
Save the JPG file, copy a share link or convert it to another format. Free-tier output expires on its own after 24 hours.
Drop your AVIF file into the converter (or choose a file from disk).
Confirm JPG as the output format and start the conversion.
Download the JPG file when it is ready. Start another conversion anytime.
You upload a AVIF file, indox converts it to JPG, and you download the result. A single file needs no account, and nothing is installed.
The upload box shows the live size limit before you add a file. Signing in raises it, and paid plans raise it further.
AVIF in, JPG out. Pick another output on the converter if you need a different format.
Files are encrypted in transit over HTTPS and processed on indox infrastructure.
Free-tier files are deleted automatically within 24 hours after the job finishes.
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Because the site served you AVIF to save bandwidth. Modern browsers tell servers which formats they understand, and many image services respond with the smallest one, which is frequently AVIF even when the address ends in .jpg. Choosing Save image as writes exactly what was delivered. The picture is fine; it is simply in a format your other software may not know.
A little, since the image is decoded and then compressed again with a lossy codec. For an ordinary photo the change is hard to spot at normal size. It is more visible on AVIF files that were squeezed very hard for the web, where JPEG blocks get layered over existing smoothing, and on images with soft gradients.
JPEG compression is about three decades older and much less efficient than AV1. AVIF predicts each area from its neighbours and uses far more flexible block shapes, so it describes the same picture in fewer bytes. Storing that picture as a JPG at similar visible quality simply takes more data, often around double and sometimes considerably more.
The transparent parts turn into a solid colour, normally white. JPG has no way to mark a pixel as see-through, so every pixel has to be given an opaque value. Soft edges such as shadows and hair blend into that background colour permanently. If you need the cut-out to stay a cut-out, convert the AVIF to PNG instead.
Sometimes. Recent Windows 10 and 11 builds can show AVIF in Photos and File Explorer once the free AV1 Video Extension from the Microsoft Store is installed, and Chrome, Edge and Firefox display it directly. Many desktop programs still cannot import it, though, which is when a JPG copy is the quicker fix.
Technically yes: AVIF delivers smaller files, transparency, HDR and deeper colour, which is why websites favour it. JPG remains better at one thing, being accepted everywhere, from decade-old photo frames to office software. So AVIF suits delivery on the web, and JPG suits a file you need to hand to another person or program.