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Convert AVIF to HEIC Online Free — Fast Batch Conversion
How to Convert Images Online
1Upload your AVIF file
Click the upload button or drag and drop your AVIF file.
2Convert
Click Convert. Convertify processes your file instantly.
3Download HEIC
Download your converted HEIC file. The original is deleted immediately.
Supported Image Formats
HEIC
Apple photo format used by iPhone and iPad. High quality with small file size.
AVIF
Next-gen format with excellent compression. Up to 50% smaller than JPG.
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.
GIF
Classic format for simple animations. Supports transparency and up to 256 colors.
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
- Why would I convert AVIF to HEIC?
- Primarily for Apple ecosystem compatibility. HEIC is the native format for iPhone, iPad, and Mac. Converting AVIF to HEIC is useful when importing web images into Apple Photos, iCloud, or Apple-specific app development workflows.
- Does converting AVIF to HEIC preserve transparency?
- Yes. Both AVIF and HEIC support alpha channel transparency. Transparency is fully preserved during conversion.
- Is HEIC supported on Windows?
- Windows 11 supports HEIC natively (free). Windows 10 requires the HEVC Video Extensions from the Microsoft Store ($0.99) or the free HEIF Image Extensions. Converting to JPG or PNG is the simplest solution for universal Windows compatibility.
- Is HEIC better than AVIF?
- Neither is universally better. AVIF offers similar compression efficiency, is open and royalty-free, and has broad browser support. HEIC has deep integration with Apple hardware and software. AVIF is the better choice for the web; HEIC is the better choice for the Apple ecosystem.
- Can I open HEIC files on Android?
- No. Android does not support HEIC natively. If you need images that work across both Apple and Android devices, convert to JPG, PNG, or WebP instead.
- Will file size change when converting AVIF to HEIC?
- File size will be similar — both formats achieve roughly 50% better compression than JPEG. The exact size depends on image content, but AVIF and HEIC are comparable in compression efficiency for photographs.
- Can I convert multiple AVIF files to HEIC at once?
- Yes. Convertify supports batch conversion — upload up to 10 AVIF files and download them all as HEIC simultaneously.
Why convert AVIF to HEIC?
AVIF is the best format for web delivery — excellent browser support, outstanding compression, open and royalty-free. HEIC is Apple's native photo format, optimized for on-device storage across iPhone, iPad, and Mac. If you need AVIF images to work natively within Apple's ecosystem — in the Photos app, iCloud Photo Library, or Apple-specific design workflows — HEIC is the target format. HEIC opens natively on all Apple devices running iOS 11+ and macOS High Sierra+, integrates with iCloud automatically, and is accepted by Apple's media pipelines without additional codecs.
AVIF vs HEIC: format comparison
| Feature | AVIF | HEIC |
|---|---|---|
| Underlying codec | AV1 (open, royalty-free) | HEVC / H.265 |
| Compression vs JPEG | ~50% better | ~50% better |
| Browser support | Chrome, Firefox, Safari, Edge (~95%) | Safari only |
| Apple device support | Limited | Native (iOS 11+, macOS High Sierra+) |
| Windows support | AV1 Video Extension (free) | HEIF Image Extensions ($0.99 or free) |
| Android support | Limited | None natively |
| HDR / wide-gamut | Yes | Yes |
| Transparency (alpha) | Yes | Yes |
| Open / royalty-free | Yes | No (HEVC patent licensing) |
| Best for | Web delivery | Apple ecosystem storage |
AVIF vs HEIC compression: similar efficiency, different codecs
Both AVIF and HEIC achieve roughly 50% better compression than JPEG at equivalent visual quality — but through different codecs. HEIC uses HEVC (H.265), developed by the MPEG consortium. AVIF uses AV1, developed by the Alliance for Open Media (Google, Apple, Mozilla, Netflix, Microsoft). In practice, their compression efficiency for photographs is comparable. AVIF has a slight edge in some benchmarks, particularly for images with fine detail and gradients. HEIC has an advantage for Apple's specific use case — efficient on-device storage with tight integration into iOS/macOS media handling. The key difference is not compression but use case: AVIF for the open web, HEIC for the Apple ecosystem.
HEIC browser and platform support in 2026
HEIC has essentially no browser support outside Safari on Apple devices. Chrome, Firefox, and Edge do not display HEIC natively — users see a download prompt or broken image icon. On Windows 11, HEIC requires the HEIF Image Extensions from the Microsoft Store (free). Windows 10 requires the paid HEVC Video Extensions ($0.99) or a free workaround. Android has no native HEIC support. This is precisely why iPhone photos often cause friction when shared across platforms — the device produces HEIC by default, but the rest of the world expects JPG. AVIF has the opposite profile: strong browser support but limited native OS integration. Converting AVIF to HEIC is specifically useful when the destination is Apple hardware and software.
Use cases for AVIF to HEIC conversion
The most common scenarios for converting AVIF to HEIC: importing web-sourced AVIF images into Apple Photos or iCloud Photo Library for consistent storage alongside iPhone photos; preparing image assets for iOS or macOS application development where HEIC is the expected input format; archiving web images in HEIC for storage efficiency on Apple devices alongside camera roll photos; converting AVIF graphics or illustrations for use in Apple-specific creative tools like Final Cut Pro or Motion that prefer HEIC. Web developers working with design teams on Apple hardware sometimes receive HEIC requests when delivering assets for iOS app projects.
HEIC and transparency: does it carry over from AVIF?
Both AVIF and HEIC support alpha channel transparency. When converting AVIF to HEIC, transparency is fully preserved. iPhone camera photos never contain transparency — they always fill the full frame. But AVIF files created by design tools, screen capture software, or web export pipelines may contain transparent backgrounds. Convertify preserves alpha channel data during AVIF to HEIC conversion, producing HEIC files that maintain the original transparency. This makes the conversion suitable for design assets, product cutouts, and UI elements — not just photographs.
HEIC patent considerations for developers
HEIC is built on HEVC, which is subject to patent licensing through MPEG LA and HEVC Advance patent pools. This is why Apple pays licensing fees and why Microsoft charges $0.99 for the HEVC codec on Windows. For developers building server-side HEIC conversion (as Convertify does), the practical risk for a small web service is low — libheif provides open-source HEIC encoding that handles the technical implementation. The patent situation differs from AVIF, which uses AV1 — an open, royalty-free codec developed specifically to avoid the licensing complexity of HEVC. If open licensing is a requirement for your project, AVIF-to-WebP or AVIF-to-JPG are preferable over AVIF-to-HEIC.
How Convertify converts AVIF to HEIC
Convertify uses a Rust backend with libvips and libheif for AVIF to HEIC conversion. libvips handles AVIF decoding via its streaming pipeline; libheif handles HEIC encoding. Color profiles are preserved during conversion. Alpha channel transparency from AVIF files is maintained in the HEIC output. Files are processed server-side over an encrypted HTTPS connection and deleted immediately after download. No account required.