How it works
Upload
Drop your .avif image into the box above — or click to browse. It is read locally; nothing is uploaded.
Convert
Hit Convert & download. Your browser decodes the AVIF and re-encodes it as a JPG at 92% quality, keeping the original dimensions.
Download
Save the .jpg with the correct extension — it opens everywhere. Repeat for as many images as you like; there are no limits.
What is AVIF, and why is it everywhere?
AVIF (AV1 Image File Format) is the still-image spin-off of the AV1 video codec, created by the Alliance for Open Media — the same industry group behind the video formats Netflix, YouTube and Twitch use. It squeezes photos down to roughly half the size of a JPG at the same visible quality, which is why websites, image CDNs and browsers embraced it: smaller images mean faster pages and lower bandwidth bills.
That is why you keep running into .avif files without asking for them. Chrome, Firefox, Safari and Edge all decode AVIF now, and many sites and content-delivery networks serve AVIF by default — so a photo you right-click and save, or a stock image you download, often lands on your drive as a .avif.
Why convert AVIF back to JPG?
Because the rest of the world has not caught up. Plenty of perfectly ordinary tools still reject AVIF outright: online upload forms, e-commerce and marketplace listing tools, older desktop applications, email clients, office suites, printers and social-media scheduling tools. A JPG, on the other hand, has been the universal image format for 30 years — every device, browser, app and upload form on earth opens it.
Converting is the compatibility adapter: you trade some file size for a file that simply works everywhere, in every system you did not choose.
Tips
- Use it for the stubborn system — keep the AVIF. For the web, the AVIF stays the better file: smaller and just as sharp. Convert a copy for the tool that rejects AVIF; keep the original.
- 92% quality is visually transparent. The conversion is fixed at high quality, so photos keep their detail. Just avoid converting back and forth between formats repeatedly.
- Expect a bigger file. The JPG will usually be larger than the AVIF — that is the price of universal compatibility, and it is worth paying when a system rejects AVIF.
- Transparency becomes white. If the AVIF has transparent areas, JPG flattens them onto white. The tool warns you first, so you can choose PNG if transparency matters.
- Cannot open the AVIF at all? No problem. Your computer may have no AVIF viewer, but your browser does — the tool decodes the file right here, no other software needed.
Common uses
- Upload forms that reject AVIF — job portals, government sites and application forms with strict file rules.
- Email attachments — JPG previews inline in every email client.
- Word, PowerPoint and PDF documents — office software inserts JPGs without a fuss.
- Marketplace and product listings — seller tools that only accept JPG or PNG.
- Printing — photo shops and print kiosks speak JPG natively.
- Older photo editors — software from before the AVIF era opens JPGs fine.