What Is an AVIF Converter?
An AVIF converter is a tool that takes the modern AV1 Image File Format (.avif) and re-encodes it into a wider-compatibility format like PNG, JPG, WebP, BMP, or TIFF. AVIF is derived from the AV1 video codec standardised in 2018 and offers the best compression of any mainstream image format — roughly 50% smaller than JPG at the same visual quality. The catch is compatibility: AVIF support is solid in modern Chrome, Edge, Firefox, and Safari 16+, but breaks in older browsers, most native apps, Office, email clients, and older image editors.
Designers downloading AVIF assets from a modern website, developers replacing AVIFs with JPG fallbacks for browser-compat reasons, marketers importing AVIFs into PowerPoint, and anyone trying to attach an AVIF to email all hit the same friction. The Tooldit AVIF converter runs in your browser, so even proprietary mockups or internal product images never leave your device.
Convert AVIF to a Format Everything Can Open
AVIF is a remarkable format — it squeezes a photo into a fraction of the size of an old JPG while keeping the detail — but that efficiency comes with a catch: a lot of software still can't read it. This is where going from AVIF to JPG (or PNG, WebP, BMP, and TIFF) saves the day. Drop an .avif file into the converter, choose a format everything understands, and download a clean copy in a second. The decoding and re-encoding happen right inside your browser tab, so the picture never has to travel anywhere.
How the AVIF Converter Works
The flow is deliberately short — drop, choose, convert. Here are the controls you'll actually use:
- Drop or browse for one AVIF — the tool handles a single image at a time and shows a live preview as soon as the file is read, so you know you picked the right one.
- Pick your target format — JPG, PNG, WebP, BMP, or TIFF. AVIF itself is left off the list because it's already the input.
- Adjust the quality slider — it appears only for lossy outputs (JPG and WebP), runs from 10 to 100, and starts at 92. Lossless formats hide it entirely.
- Click Convert — the output downloads automatically, keeping your original file name with the new extension swapped in.
One note on output: because AVIF is the input here, every target format — JPG, PNG, WebP, BMP, and TIFF — encodes reliably in every modern browser, so the copy you download opens the same way no matter which one you choose.
Why People Choose This Converter
- Stays on your machine — the AVIF is processed locally on a canvas; nothing is uploaded, logged, or kept.
- Free with no catch — no per-day quota, no "go Pro to remove the limit" wall, convert as many images as you like.
- No account needed — there's no sign-up screen, no email box, and no card to enter before you can use it.
- Clean output — the file you download is your image and nothing else; no stamp or watermark is added.
- You control the trade-off — the quality slider lets you balance file size against sharpness instead of accepting a fixed setting.
When You'd Reach for It
- Saved an image from a website — modern sites serve AVIF to save bandwidth, so the photo you right-clicked may download as
.avifand refuse to open in your usual viewer. Convert it to JPG and it just works. - Uploading to a form that rejects AVIF — job boards, government portals, insurance claims, and marketplace listings often accept only JPG or PNG. PNG keeps it lossless; JPG keeps it small.
- Editing in older software — if your design app or image editor can't import AVIF, convert to PNG or TIFF first so you have a layer-friendly, lossless base to work from.
- Emailing or texting a photo — turn the AVIF into a JPG so the person on the other end sees the image inline instead of a file their phone or mail client can't render.
Working in the other direction or with a different source? Try the WebP converter or the HEIC converter — both run in your browser the same way.
AVIF Converter vs Other Tools
Versus Photoshop / Preview — Photoshop added AVIF in 2022 (24.2+), and macOS Preview opens AVIFs from Monterey onwards. For older versions or Windows without WIC support, you need Tooldit or an online converter.
Versus other online AVIF converters — many upload your file, watermark, or cap free use. Tooldit runs in the browser using the canvas API.
Versus libheif / libavif command line — libavif's avifdec is the reference decoder but requires install. Tooldit is faster for one-off files.
Versus "rename to .jpg" — renaming doesn't change the bytes; the file is still AVIF and won't open in tools that don't support it. You need a real transcoder.
Troubleshooting & Common Issues
- "Failed to decode AVIF" error — your browser may not support AVIF decoding. Use Chrome, Edge, Firefox, or Safari 16+. Older browsers and some niche AVIF features (HDR, 10-bit color) may also fail.
- Converted JPG has black background where AVIF was transparent — JPG doesn't support alpha. Target PNG or WebP if you need transparency preserved.
- Output PNG is much larger than the AVIF — expected. AVIF is highly compressed; PNG is lossless. The trade-off is universal compatibility for higher file size.
- Colors look muted or washed out — AVIF often carries an HDR or wide-gamut color profile that canvas conversion drops back to sRGB. For color-critical work, use a desktop app that preserves the profile.
- Animated AVIF lost animation — animated AVIFs converted to JPG/PNG keep only the first frame. Use GIF as the target for animation.
- Large AVIF crashes the tab — decoded image data takes more memory than the compressed file. For high-resolution AVIFs, close other tabs first or use a desktop tool.
Frequently Asked Questions
+Why won't my AVIF image open in some apps?
AVIF is a newer format, so plenty of programs still can't read it — older versions of Photoshop, many email clients, most office suites, and a lot of social and marketplace upload forms. Converting the AVIF to JPG or PNG produces a file that opens everywhere, which is the whole point of this tool.
+Which output format should I pick: JPG, PNG, WebP, BMP, or TIFF?
Pick JPG for photos you want to email, post, or upload — it gives the smallest file. Pick PNG when you need a lossless copy or the image has transparency or sharp text. WebP is a good middle ground for the modern web. BMP and TIFF are uncompressed formats for print, archival, or software that demands them.
+What does the quality slider do when converting AVIF to JPG or WebP?
When you convert an AVIF to a lossy output — JPG or WebP — the quality slider appears and runs from 10 to 100, defaulting to 92. Higher values keep more detail and produce a larger file; lower values shrink the file at the cost of some sharpness. PNG, BMP, and TIFF are lossless, so the slider is hidden for them.
+Are my AVIF files uploaded to a server?
No. The AVIF is decoded and re-encoded entirely inside your browser using a canvas. The image never leaves your device, nothing is stored on our end, and the converter even works after the page has loaded with the network disconnected.
+Can I convert one AVIF into another format like AVIF to AVIF?
No — AVIF is the input here, so it is left out of the output choices. You convert AVIF to JPG, PNG, WebP, BMP, or TIFF. To re-encode an image to AVIF instead, use a converter that takes JPG or PNG as the source.
+When should I keep AVIF vs convert to JPG?
Keep AVIF for modern browsers when file size matters (web pages, mobile apps). Convert to JPG for universal compatibility (older browsers, email, Office documents, print shops, social platforms that may not accept AVIF).
+How does AVIF compare to WebP?
AVIF typically produces 20–30% smaller files than WebP at the same visual quality, but WebP encodes/decodes faster and has wider tool support. For maximum savings on modern browsers, use AVIF; for the best compatibility-to-size trade-off, use WebP.
+Is my AVIF uploaded anywhere?
No. The decode and re-encode happen in your browser using the canvas API. Nothing is uploaded, logged, or stored on a server.