Convert HEIC to AVIF
Convert HEIC files to AVIF locally, completely free and with maximum privacy.
Drag and drop your files here
or click to browse local files (large files supported, limited only by browser RAM)
Upload FilesPlatform Statistics
How to convert HEIC to AVIF
- Drop your .heic files above, or click Upload Files. You can add many files at once.
- AVIF is already selected as the output. Open the settings (gear icon) to fine-tune the result.
- Click Convert All. ImageMagick runs inside your browser through WebAssembly; nothing is uploaded.
- Download your .avif files as soon as each one finishes.
What to know about HEIC to AVIF conversion
- HEIC photos from iPhone and Android are decoded locally; your photos are never uploaded to a server.
- AVIF supports both lossy and lossless compression and typically produces smaller files than older formats at the same visual quality.
- Transparency is preserved: AVIF supports an alpha channel just like HEIC.
- AVIF is best for high-quality web images with the smallest possible file size, and opens in Chrome, Firefox, Edge and Safari 16+.
HEIC vs AVIF
| Feature | HEIC (High Efficiency Image Container) | AVIF (AV1 Image File Format) |
|---|---|---|
| Compression | lossy | lossy or lossless |
| Transparency | Yes | Yes |
| Animation | No | Yes |
| Best for | photos taken with iPhones and recent Android phones | high-quality web images with the smallest possible file size |
| Opens in | Apple devices, and Windows with the HEIF extensions | Chrome, Firefox, Edge and Safari 16+ |
HEIC (High Efficiency Image Container): The default photo format on iPhones and many Android devices, based on the HEVC codec.
AVIF (AV1 Image File Format): A cutting-edge image format offering outstanding compression efficiency and image quality based on the AV1 video codec.
Conversion options
- Quality (1–100)
- Resize by width, height or both (aspect ratio is preserved)
- Filters: grayscale, sepia, blur and sharpen
- Custom output file name
Frequently asked questions
Is it safe to convert HEIC to AVIF here?
Yes. Your files are processed entirely on your own device by WebAssembly code running in the browser. They are never uploaded, so nobody else can see them, and the converter keeps working even if your connection drops after the page loads.
Is there a file size limit?
There is no server-side limit. The only limit is the memory available to your browser, typically 1.5–4 GB on desktop computers.
Can I convert several HEIC files at once?
Yes. Add as many files as you like; they are converted in parallel according to your device's CPU cores, and you can apply the same settings to all of them.
Related conversions
Convert HEIC to other formats
- HEIC to JPG
- HEIC to PNG
- HEIC to PDF
- HEIC to WEBP
- HEIC to GIF
- HEIC to SVG
- HEIC to ICO
- HEIC to TIFF
- HEIC to BMP
- HEIC to JXL
- HEIC to PSD
- HEIC to TGA
Convert other formats to AVIF
- JPG to AVIF
- PNG to AVIF
- PDF to AVIF
- WEBP to AVIF
- GIF to AVIF
- SVG to AVIF
- ICO to AVIF
- TIFF to AVIF
- BMP to AVIF
- JXL to AVIF
- PSD to AVIF
- CR2 to AVIF
See every HEIC converter and AVIF converter, or browse the full converter directory.