AVIF to JPG: Converting the Format Most Software Can't Open
AVIF is the newest mainstream image format, and it's genuinely impressive from a technical standpoint. Based on the AV1 video codec developed by the Alliance for Open Media — a consortium that includes Google, Apple, Netflix, and Amazon — AVIF typically achieves 50% smaller file sizes than JPEG at the same visual quality. For web performance, that's significant. But if you're reading this, you almost certainly have an AVIF file you can't open, can't share, or can't upload somewhere, and you need it as a JPG. That's exactly what this converter does.
What AVIF Is and Why You've Suddenly Started Seeing It
AVIF (AV1 Image File Format) stores images using the same compression math that makes AV1 video so efficient. It supports HDR, wide color gamut, alpha transparency, and animation. Chrome started serving AVIF images by default in 2020, Firefox added support in 2021, and Safari joined in 2022. That means when you download an image from a Google search, save a photo from a news website, or export from certain cloud services, there's a real chance it comes back as a .avif file — even if you've never chosen that format yourself.
The support gap is significant outside of browsers. Adobe Photoshop added AVIF support in version 23.2 (released 2022), so older versions won't open it. Lightroom Classic has AVIF support in recent builds but not older ones. Sketch, Affinity Photo, and most Windows photo viewers either have partial support or none at all. And virtually no print service, digital asset manager, or legacy CMS pipeline handles AVIF reliably. Converting avif to jpg gives you a file that works everywhere, right now, without waiting for software vendors to catch up.
What You Lose (and Don't Lose) Converting AVIF to JPG
Since AVIF compresses more efficiently than JPEG, your JPG output will be larger than the original AVIF at equivalent quality. That's expected, not a bug. At 90% quality — the default in this tool — the resulting JPG will be visually indistinguishable from the source for almost all content types. You won't notice any quality difference looking at the image; you'll just notice the file is larger.
HDR and wide color gamut information gets mapped to standard sRGB during the conversion, because JPEG doesn't support those color spaces. If your AVIF came from a modern smartphone camera or was exported from a high-dynamic-range source, the JPG will look slightly less vibrant on HDR displays. On a standard monitor, the difference is negligible. If your AVIF has an alpha transparency channel — AVIF supports this — the transparent areas will be filled with the background color you set in the tool (default: white). JPG doesn't support transparency, so that information can't carry over.
AVIF also supports animated sequences, similar to animated GIFs or WebP. This converter captures the first frame of an animated AVIF and exports it as a static JPG. Animated AVIF files are still relatively rare in the wild, but it's worth knowing that behavior if you're working with motion graphics or video thumbnails.
Browser Support Requirements for the Conversion
This converter uses your browser's native AVIF decoder. That means the tool works in Chrome 85+, Firefox 93+, Edge 121+, and Safari 16+. If you're on an older browser, the conversion will fail with an image load error — not because of anything wrong with your file, but because your browser can't decode AVIF natively. The fix is to update Chrome or Firefox, both of which are free. If you're on an enterprise machine with a locked browser version, try the conversion on your phone instead; mobile Chrome and Safari have had AVIF support for several years.
Everything runs in-browser using the Canvas API. Your AVIF file is decoded locally, rendered to a canvas, and exported as a JPEG blob — your file never leaves your device and nothing is sent to a server. This matters especially for AVIF files from your own camera or photography work, where the images may contain GPS metadata or be commercially sensitive.
Fitting AVIF Conversion Into Your Workflow
If you're dealing with AVIF files regularly — downloading images from the web, working with assets from a modern CDN, or receiving files from someone on a current iPhone — it helps to build a quick workflow around format conversion. After converting avif to jpg here, use the Compress Image tool if you need to reduce file size further for email or web uploads. If you're also dealing with WebP files from the same sources, the WebP to JPG converter works the same way. For resizing your converted JPGs to specific dimensions for social media or CMS uploads, the Resize Image tool handles that without any re-upload to a third-party service.
AVIF won't stop spreading — it's too efficient for web developers to ignore. The practical reality is that for the next several years, you'll keep running into .avif files in workflows designed around JPG. This converter is the bridge.