Upgrade from Apple's HEIC to the open web standard AVIF. AVIF offers similar or better compression than HEIC but is royalty-free and supported by modern browsers.
HEIC vs AVIF
| Feature | HEIC | AVIF |
|---|---|---|
| Full Name | HEIC | AVIF |
| Typical Use | Mobile Photos | Web Optimization |
| Transparency | No | No |
| Privacy | 100% Local | 100% Local |
HEIC vs AVIF
Both are next-gen formats. However, AVIF is supported by Chrome and Firefox, making it better for web publishing.
### Technical Details
- **Input Format:** HEIC (image/heic)
- **Output Format:** AVIF (image/avif)
- **Privacy:** 100% Client-side processing (WebAssembly)
- **Limit:** No file size or count limits
Frequently Asked Questions
Is it safe to convert HEIC to AVIF here?
Yes, absolutely. LocalImageConverter processes your HEIC files directly in your web browser. Unlike other converters, we do not upload your images to any server. Your personal data stays on your device.
How do I open AVIF files?
AVIF is one of the most widely supported image formats. You can open it on almost any device, including Windows, Mac, iPhone, Android, and Linux systems, without installing extra software.
Does converting HEIC to AVIF lose quality?
Our converter uses high-quality encoding settings. While converting to formats like JPG can introduce slight compression, we optimize for the best balance of quality and file size.
Can I convert multiple HEIC files at once?
Yes! You can drop multiple HEIC files into the tool above and convert them all to AVIF in batch. We even let you download them all as a single ZIP file.
Universal Compatibility
Whether you are on iPhone, Android, Windows, or Mac, our browser-based converter works seamlessly. No software installation is required.