AVIF Converter
Convert images to and from AVIF format. Smaller files, better quality. 100% client-side — no upload required.
AVIF offers 50% smaller files than JPG with better quality. Drop your images to convert to AVIF, or convert AVIF files to JPG/PNG/WebP. Everything runs in your browser.
Browser support
Converting to AVIF requires Chrome 121+, Edge 121+, or Firefox 131+. Safari does not yet support AVIF encoding. Converting from AVIF to JPG/PNG/WebP works in all modern browsers.
Drop images or click to upload
AVIF, JPG, PNG, WebP — batch supported
AVIF vs WebP vs JPG vs PNG: The Real Numbers
Everyone says AVIF is "smaller." But how much smaller? Here's a real comparison using the same source image at visually equivalent quality:
| Format | File Size (photo) | File Size (graphic) | Transparency | Browser Support |
|---|---|---|---|---|
| JPG | 500 KB (baseline) | Not ideal | No | 100% |
| PNG | 1.5-3 MB | 300 KB | Yes | 100% |
| WebP | 350 KB (-30%) | 200 KB (-33%) | Yes | 97% |
| AVIF | 250 KB (-50%) | 150 KB (-50%) | Yes | 93% |
What this means for you: AVIF saves roughly half the bandwidth compared to JPG. For a website with 20 images per page, that's the difference between a 10 MB page load and a 5 MB page load — noticeable on mobile connections.
Browser and Device Support (2026)
| Browser / Platform | AVIF Support | Since |
|---|---|---|
| Chrome | Full support | Chrome 85 (Aug 2020) |
| Firefox | Full support | Firefox 93 (Oct 2021) |
| Safari | Full support | Safari 16.4 (Mar 2023) |
| Edge | Full support | Edge 85 (Aug 2020) |
| Android | Full support | Chrome for Android 85+ |
| iOS | Full support | iOS 16.4+ |
| IE 11 | No support | N/A (IE is dead) |
As of 2026, AVIF is supported by 93%+ of global browsers. The holdouts are older iOS devices (pre-16.4) and legacy systems. For websites, serve AVIF with a JPG fallback using the <picture> element.
The Encoding Speed Trade-Off
AVIF's one real weakness: it's slow to encode. Compressing a single image can take 2-10× longer than JPG or WebP. This matters for:
- Real-time uploads: If users upload photos and expect instant results, AVIF encoding adds noticeable lag. WebP or JPG is faster for user-facing tools.
- Batch processing: Converting 1,000 images to AVIF might take minutes instead of seconds. Plan for this in build pipelines.
- Static sites and CDNs: Encoding happens once at build time. The speed cost is paid once, and every visitor benefits from smaller files forever. This is where AVIF shines brightest.
When to Convert (And When Not To)
Convert to AVIF when...
- Building a website and page speed matters
- Storing lots of photos and storage costs money
- Serving images to modern browsers with a JPG fallback
- You have time for slower encoding (build step, not real-time)
Keep JPG/PNG when...
- Sharing via email (not all clients render AVIF)
- Printing (print shops expect JPG, TIFF, or PDF)
- Editing workflow (AVIF isn't well-supported in Photoshop/GIMP)
- Maximum compatibility matters more than file size
Related Image Tools
How to use this tool
Drop or select images (AVIF, JPG, PNG, or WebP)
The tool auto-detects: AVIF inputs convert to your chosen format, other inputs convert to AVIF
Adjust quality if needed
Common uses
- Compressing website images for faster page loads
- Converting JPG photos to AVIF for 50% smaller file sizes
- Converting AVIF files back to JPG or PNG for compatibility
- Batch converting product images for e-commerce sites
- Optimising blog images without visible quality loss
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