📱 iPhone Photo Converter
Convert HEIC to AVIF — Free & Private
Convert iPhone HEIC photos to AVIF — the next-generation image format with best-in-class compression. Smaller than WebP or HEIC with excellent quality.
✓ Free forever✓ No upload✓ No signup✓ Instant
Ready to convert your HEIC photos?
100% in your browser · Up to 50 MB · Next-gen AVIF output
How to Convert HEIC to AVIF
1
Open the Converter
Click "Convert Now" — opens with HEIC → AVIF pre-selected.
2
Upload Your HEIC
Drag & drop your HEIC file or click Browse. Up to 50 MB.
3
Convert Instantly
Conversion runs entirely in your browser — no server upload.
4
Download AVIF
Your AVIF downloads automatically with next-gen compression.
Why Convert HEIC to AVIF?
- 🏆 Best-in-class compression — AVIF offers superior compression over HEIC, WebP, and JPG
- 📉 Smaller than WebP — AVIF files are typically smaller than WebP at the same quality
- 🖼️ Excellent quality — outstanding visual fidelity even at very low file sizes
- 🔐 100% private — files stay on your device, never uploaded to any server
- 🆓 Free forever — no watermarks, no limits, no credit card
- ⚡ Instant — browser-based conversion, results in seconds
Features
100% Private
Files never leave your browser. Zero server uploads.
Instant
Conversion completes in seconds using Canvas API.
Free
No account, no fee, no watermarks. Ever.
Batch Convert
Convert multiple HEIC photos to AVIF in one go.
Next-Gen Format
AVIF delivers the best compression of any image format.
Mobile-Friendly
Works on any device — phone, tablet, desktop.
Frequently Asked Questions
Yes — completely free, no limits, no watermarks. Convertlo runs entirely in your browser.
HEIC (High Efficiency Image Container) is Apple's default photo format used on iPhone and iPad since iOS 11. It offers great compression and quality but is not universally supported outside Apple's ecosystem.
Yes. AVIF (AV1 Image File Format) typically achieves better compression than HEIC, producing smaller file sizes at the same visual quality. AVIF is the next-generation image format derived from the open-source AV1 video codec.
No. All conversion happens locally in your browser using the HTML5 Canvas API. Your files never leave your device.
AVIF is supported by Chrome, Firefox, Safari (since 2022), and Edge. Browser support continues to grow rapidly, making AVIF an excellent choice for next-generation web images with maximum compression efficiency.