Convert HEIC to AVIF online in seconds — free, with no sign-up. AVIF is mixed and ideal for the smallest high-quality web images, with a JPEG/WebP fallback. Your files are encrypted and deleted automatically after 24 hours.
HEIC
High Efficiency Image Container — Apple's default photo format since iOS 11 — about 2× smaller than JPEG at the same quality.
AVIF
AV1 Image File Format — A next-gen format built on the AV1 codec, 40–60% smaller than JPEG with HDR and transparency.
How to convert HEIC to AVIF
- 1Upload your HEIC file
Click “Choose a file” or drag and drop your HEIC file onto the page — no sign-up or email needed.
- 2Convert to AVIF
AVIF is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your AVIF file
Your AVIF file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
HEIC vs AVIF
| HEIC | AVIF | |
|---|---|---|
| Full name | High Efficiency Image Container | AV1 Image File Format |
| Type | Raster image | Raster image |
| Compression | Lossy | Mixed |
| Best for | saving space on iPhones; usually converted for non-Apple devices | the smallest high-quality web images, with a JPEG/WebP fallback |
Frequently asked questions
Does converting HEIC to AVIF lose quality?
Both HEIC and AVIF use compression, so re-encoding discards a little more data. For a single conversion the change is virtually invisible; just avoid repeatedly re-converting the same file.
What's the difference between HEIC and AVIF?
High Efficiency Image Container (HEIC) is lossy and best for saving space on iPhones; usually converted for non-Apple devices. AV1 Image File Format (AVIF) is mixed and best for the smallest high-quality web images, with a JPEG/WebP fallback. Convert HEIC to AVIF when you need a raster image for the smallest high-quality web images.
Is the HEIC to AVIF converter free?
Yes — converting HEIC to AVIF is completely free. There's no watermark, no sign-up and no email required, and you can convert as many files as you like.
Are my HEIC files private and secure?
Yes. Your uploads are encrypted in transit, processed privately, and automatically deleted within 24 hours. We never share, sell or look at your files.
Can I convert HEIC to AVIF on iPhone, Android, Mac or Windows?
Yes. The converter runs entirely in your browser, so it works on any device — iPhone, iPad, Android, Mac, Windows or Linux — with nothing to download or install.
How long does it take to convert HEIC to AVIF?
Most files convert in a few seconds. Larger files take a little longer, and your upload speed is usually the limiting factor. There's no queue and no waiting for an email.
What else can I convert HEIC files to?
Besides AVIF, you can convert HEIC to BMP, GIF, ICO, JPG, PDF, PNG and more — see the full list of HEIC conversions below.
Other conversions
Last updated July 2026