🖼️ Image Converter
Convert PNG to AVIF — Free & Private
Convert PNG images to AVIF for dramatically smaller file sizes. AVIF is the next-generation image format with state-of-the-art compression.
✓ Free forever✓ No upload✓ No signup✓ Instant
Ready to convert your PNG?
100% in your browser · Up to 50 MB · Next-gen AVIF compression
How to Convert PNG to AVIF
1
Open the Converter
Click "Convert Now" — opens with PNG → AVIF pre-selected.
2
Upload Your PNG
Drag & drop your PNG 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 file downloads automatically, ready to use.
Why Convert PNG to AVIF?
- 📦 Smaller than PNG or WebP — AVIF achieves dramatically smaller file sizes than either format
- 🎛️ Lossless or lossy mode — choose maximum quality or maximum compression
- 🎨 High visual quality — excellent image fidelity even at aggressive compression levels
- 🔐 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 PNGs to AVIF in one go.
Transparency
Alpha channel fully supported in AVIF output.
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.
Yes, AVIF fully supports alpha channel transparency, so your transparent PNG areas will be preserved in the AVIF output.
AVIF supports both lossless and lossy compression modes, giving you flexibility to choose between maximum quality or maximum compression.
No. All conversion happens locally in your browser using the HTML5 Canvas API. Your files never leave your device.
AVIF is supported in Chrome, Firefox, and Safari 16+. It covers the vast majority of modern browser users.