HEIC to AVIF Converter
Convert HEIC to AVIF online for free: nothing to install, no watermark, files encrypted in transit and deleted automatically after conversion.
Advanced options
Drag & drop your HEIC file here, or
How to convert HEIC to AVIF in 3 steps
- 1
Upload your HEIC file
Drag and drop or select the HEIC file you want to convert.
- 2
Choose AVIF as output
The output format is pre-selected for you — just confirm and start the conversion.
- 3
Download your file
Once processing finishes, download your converted AVIF file instantly.
HEIC vs AVIF: what is the difference?
| HEIC | AVIF | |
|---|---|---|
| Full name | High Efficiency Image Container | AV1 Image File Format |
| Type | Raster image | Raster image |
| Compression | Lossy | Lossy or lossless |
| Developed by | MPEG (ISO/IEC) | Alliance for Open Media |
| File extension | .heic | .avif |
What is HEIC?
HEIC is the format iPhones and iPads use to save photos. Based on the HEVC video codec, it stores a photo at about half the size of a JPG with similar quality, but Windows, many websites, older Android phones and a lot of software cannot open it without an extra plugin.
What is AVIF?
AVIF is a recent image format based on the AV1 video codec. It offers excellent compression, often smaller than WebP at similar quality, plus transparency and HDR. Modern browsers support it, but many editors, older phones and social platforms still do not.
Tips for converting HEIC to AVIF
- Transparent backgrounds are only kept in formats that support them (PNG, WebP, AVIF); JPG fills them with white.
- For photos, lossy formats keep files small; for logos, screenshots and text, lossless PNG stays sharper.
- Converting an already compressed HEIC does not add detail — start from the highest-quality original you have.
- If the image is for a website, a modern format such as WebP or AVIF usually loads faster than JPG or PNG.
Frequently asked questions
- How do I convert HEIC to AVIF online?
- Upload your HEIC file above, select AVIF as the output format, and click Convert. ConvertFastHub processes the file in the cloud and gives you a download link — no software installation required.
- Is it free to convert HEIC to AVIF?
- Yes. Free accounts get 10 conversions every 24 hours with files up to 50MB. For unlimited conversions, larger files up to 1.5GB, and priority processing, upgrade to ConvertFastHub Pro.
- Is my file safe when I convert it?
- Files travel over an encrypted connection, are scanned automatically for malware (files up to 200 MB), are processed in an isolated worker and are deleted automatically: after 1 hour without an account, 24 hours with a free account, or 7 days with Pro.
- Can I convert HEIC to AVIF on my phone?
- Yes. The converter runs in the browser and the work happens on our servers, so it works the same on Android, iPhone, tablets and computers — there is no app to install.
- Do I need an account?
- No. You can convert without signing up; results are then kept for 1 hour. A free account keeps them for 24 hours and shows your conversion history.