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Convert GIF to AVIF Online Free — Fast Batch Conversion
How to Convert Images Online
1Upload your GIF file
Click the upload button or drag and drop your GIF file onto the converter.
2Convert
Click Convert. Convertify processes your file instantly using Rust and libvips.
3Download AVIF
Download your converted AVIF file. The original GIF is deleted from the server immediately.
Supported Image Formats
GIF
Classic format for simple animations. Supports transparency and up to 256 colors.
AVIF
Next-gen format with excellent compression. Up to 50% smaller than JPG.
HEIC
Apple photo format used by iPhone and iPad. High quality with small file size.
HEIF
High Efficiency Image Format — same as HEIC, used on Apple devices.
WebP
Modern image format by Google. Up to 30% smaller than JPG with the same quality.
PNG
Lossless format that preserves every pixel. Best for screenshots and logos.
JPG
Universal format for photos. Supported everywhere, great balance between quality and file size.
BMP
Uncompressed bitmap format. Maximum quality but very large file size.
TIFF
Professional lossless format used in printing and photography.
PPM
Portable Pixmap format used in Unix/Linux environments.
HDR
High Dynamic Range format storing extended brightness data.
FITS
Flexible Image Transport System used in astronomy and science.
PDF
Portable Document Format. Convert PDF pages to JPG, PNG or WebP images.
AVIF vs WebP vs HEIC vs JPG
Quick comparison to help you choose the right format
AVIF
- Size: Up to 50% smaller than JPG
- Browsers: Chrome, Firefox, Safari
- Transparency: ✓
- Best for: Web performance
WebP
- Size: 25-35% smaller than JPG
- Browsers: All modern browsers
- Transparency: ✓
- Best for: Web compatibility
HEIC
- Size: ~50% smaller than JPG
- Browsers: Safari only
- Transparency: ✓
- Best for: iPhone storage
JPG
- Size: Baseline
- Browsers: All browsers & apps
- Transparency: ✗
- Best for: Universal sharing
Frequently Asked Questions
- Does converting GIF to AVIF preserve animation?
- Yes. Convertify converts animated GIFs to animated AVIF, preserving all frames. Animated AVIF is supported in Chrome 85+ and Firefox 93+. Safari support for animated AVIF varies by version.
- How much smaller will my AVIF be compared to GIF?
- For photographic animations, typically 40–70% smaller. For simple pixel-art animations, the savings are smaller. Static GIFs converted to AVIF typically see 60–80% size reduction with significantly better image quality.
- Is AVIF better than WebP for replacing GIF?
- AVIF achieves better compression (20–30% smaller than WebP for animation) but animated WebP has more consistent browser support, particularly in Safari. For maximum compatibility, animated WebP is safer. For maximum compression, AVIF wins.
- Why does my converted AVIF look better than the original GIF?
- GIF is limited to 256 colors, causing visible color banding in photographs. AVIF supports 16.7 million colors, reproducing smooth gradients and photorealistic content accurately.
- Does converting GIF to AVIF preserve transparency?
- Yes. AVIF supports full alpha channel transparency, which is better than GIF's 1-bit (on/off) transparency. Transparency converts cleanly.
- Can I convert multiple GIF files to AVIF at once?
- Yes. Convertify supports batch conversion — upload up to 10 GIF files and download them all as AVIF simultaneously.
Why convert GIF to AVIF?
GIF is a 30-year-old format with a hard limit of 256 colors and inefficient LZW compression. An animated GIF can be 2–10 MB; the equivalent animated AVIF is typically 40–70% smaller with full color depth and far better visual quality. AVIF supports animation natively, making it a direct modern replacement for GIF. As of 2026, AVIF animation is supported in Chrome 85+ and Firefox 93+. For static GIFs, AVIF's compression advantage is even greater — a single-frame GIF converted to AVIF can be 70–80% smaller at equivalent quality, with millions of colors instead of 256.
GIF vs AVIF comparison
| Feature | GIF | AVIF |
|---|---|---|
| Color depth | 256 colors max | 16.7 million (full color) |
| Transparency | 1-bit (on/off) | Full alpha channel |
| Animation | Supported | Supported (Chrome 85+, Firefox 93+) |
| Compression | LZW lossless | AV1 lossy/lossless |
| File size vs GIF | Baseline | 40–70% smaller |
| Browser support | Universal | ~95% (Chrome, Firefox, Safari, Edge) |
| Best for | Legacy compatibility | Modern web, small files, full color |
Animated GIF to AVIF: file size comparison
Animated GIFs are notoriously large. A 2 MB animated GIF converted to animated AVIF typically produces a 500–800 KB file — a 60–75% reduction. The gains are largest for photographic animations because GIF's 256-color limit causes severe banding that AVIF's full-color codec eliminates. For simple pixel-art animations with few colors, the savings are smaller. Animated WebP is another alternative — typically 30–60% smaller than GIF — and has more consistent browser support than animated AVIF. If browser compatibility is a concern, WebP is a safer choice for animation; if maximum compression matters, AVIF wins.
Static GIF to AVIF: the color quality improvement
GIF's 256-color palette causes visible banding in photographs and gradients — posterized images with hard color transitions. AVIF supports 16.7 million colors (8-bit per channel) and 10-bit color depth with HDR. Converting a static photographic GIF to AVIF produces dramatically better visual quality at a smaller file size. For logos and simple graphics with few colors, the visual difference is smaller — but file size still improves significantly.
Browser support for animated AVIF in 2026
Animated AVIF works in Chrome 85+ and Firefox 93+. Safari support for animated AVIF is present as of iOS 16 / macOS Ventura but less consistent — some Safari versions render animated AVIF as a static first frame. Edge supports animated AVIF from version 121. If you need consistent animated image support across all browsers including older Safari, animated WebP is the safer format. Use the HTML picture element to serve animated AVIF to Chrome/Firefox with animated WebP as fallback.
When to use AVIF vs WebP vs GIF for animation
GIF remains necessary for very old browsers and non-browser environments like some email clients. For modern web delivery, animated WebP covers ~97% of browsers with 30–60% better compression than GIF. Animated AVIF offers the best compression — 40–70% better than GIF, 20–30% better than WebP — but with ~95% browser support and less consistent animated behavior in Safari. Practical recommendation: use animated WebP as primary format with GIF as fallback, or animated AVIF with WebP fallback if maximum compression is the priority.
How Convertify converts GIF to AVIF
Convertify uses a Rust backend with libvips for GIF to AVIF conversion. For animated GIFs, each frame is encoded into the animated AVIF container. For static GIFs, the image is converted to AVIF with full color fidelity — GIF's 256-color palette is expanded to AVIF's full color range. Files are processed server-side over HTTPS and deleted immediately after download. No account required.