Free PNG to AVIF Converter – Fast & Private
Convert PNG images to AVIF format instantly in your browser. Achieve significantly smaller file sizes with excellent quality and transparency support. No upload, no ads, batch ready.
PNG to AVIF Converter – Free & Private
Convert directly in your browser – no upload, no server.
AVIF offers excellent compression + transparency support.
Drag & drop PNG file(s) here
or
Drag & drop supported • Batch conversion • Up to 500 MB files • 100% client-side • No server upload
How to Convert PNG to AVIF in 4 Simple Steps
- Upload – Click or drag & drop your PNG file(s)
- Choose settings – Adjust quality or options if available
- Convert – Instant browser processing
- Download – Save AVIF file(s) or ZIP
Why Use This PNG to AVIF Converter?
- 100% private – processing stays on your device
- Batch support for multiple PNG files
- Typically 50-80% smaller files than PNG
- Preserves transparency (alpha channel)
- Free with no limits or registration
- Offline capable as PWA
- Great for faster websites and apps
PNG to AVIF Converter Comparison
| Feature | Waridi Tech | Other Online Tools |
|---|---|---|
| Privacy | 100% client-side | Often server upload |
| Speed | Fast local processing | Server dependent |
| Cost | Free no limits | Free or restricted |
| Batch Support | Yes | Limited often |
| File Size Reduction | 50-80% typical | Varies |
Frequently Asked Questions
Is this PNG to AVIF converter free?
Yes – fully free, no signup, no limits or hidden fees.
How much smaller are AVIF files compared to PNG?
AVIF typically reduces file sizes by 50-80% compared to PNG while maintaining high visual quality, based on real-world compression tests.
Is the tool safe and private?
Yes – 100% client-side. Files stay on your device and are never uploaded.
Can I convert multiple PNG files at once?
Yes – batch conversion supported. Drag & drop multiple files.
Does AVIF preserve transparency from PNG?
Yes – AVIF supports alpha channels, so transparency is preserved in the output.
Can I use this converter offline?
Yes – add to home screen as PWA for offline use after first load.
What is the maximum file size?
Up to 500 MB per file recommended (browser memory dependent; most files under 100 MB work smoothly).
Why convert PNG to AVIF?
AVIF provides superior compression for much smaller files, faster web loading, and modern features like HDR – ideal for websites and apps while keeping transparency and quality.
Related Image Conversion Tools
More Free Tools from Waridi Tech
- Image Converter – multiple formats & edits
- Document Converter – PDF, Word & more
- Video Converter – format & basic edits
- Audio Converter – format shift & trim
Updated March 2026 – Built by Waridi Tech team for reliable, private conversions.