Convert PNG to AVIF OnlineFree & Private
Convert your PNG images to AVIF, the most efficient image format available. AVIF delivers dramatically smaller files than PNG while preserving visual quality and supporting HDR.
Drop an image here or browse files
Supports JPG, PNG, WebP, AVIF, HEIC, GIF, TIFF, BMP, and SVG
About This Conversion
What is PNG?
PNG (Portable Network Graphics) is a lossless image format that preserves every detail of your original image. It supports alpha channel transparency, allowing you to create images with transparent or semi-transparent backgrounds. PNG is ideal for graphics, screenshots, logos, and any image where quality preservation matters more than file size.
What is AVIF?
AVIF (AV1 Image File Format) is a cutting-edge image format based on the AV1 video codec. It delivers superior compression efficiency, supporting HDR, wide color gamut, 10/12-bit color depth, alpha transparency, and animation. AVIF typically achieves 50% better compression than PNG while maintaining excellent visual quality.
Why Convert PNG to AVIF?
- You want maximum compression — AVIF achieves up to 50% smaller files than PNG at comparable visual quality.
- You need HDR support — AVIF supports high dynamic range and wide color gamut for superior visuals.
- You want transparency — AVIF supports alpha channel transparency, preserving PNG's transparency capabilities.
- You are preparing for the future — AVIF is the emerging standard endorsed by all major browser vendors.
PNG vs AVIF: Comparison
| Feature | PNG | AVIF |
|---|---|---|
| Compression Type | Lossless only | Lossy and lossless |
| Transparency | Full alpha channel | Full alpha channel |
| HDR Support | No | Yes (HDR10, Dolby Vision) |
| Color Depth | 24-bit or 48-bit | 8-bit, 10-bit, 12-bit |
| Typical File Size | Baseline | Up to 50% smaller than PNG |
| Best For | Lossless graphics | Maximum compression with HDR |
| Browser Support | All browsers | Chrome 85+, Firefox 93+, Safari 16.4+ |
| Animation | Not supported | Supported |
How to Convert PNG to AVIF
1. Upload Image
Drag & drop or browse to select your PNG file
2. Select Format
AVIF is pre-selected as output format
3. Convert
Click convert — processing happens in your browser
4. Download
Preview and download your converted AVIF file
All processing happens in your browser. Your files never leave your device.
Frequently Asked Questions
Is this PNG to AVIF converter free?
Yes, Nice Converter is completely free. Convert unlimited PNG images to AVIF with no restrictions or sign-up required.
Is my data safe? Do you upload my files?
All processing happens in your browser using WebAssembly. Your files never leave your device — no uploads, no servers, no tracking.
What is AVIF and how does it compare to PNG?
AVIF is a next-generation format that offers up to 50% better compression than PNG. It supports HDR, transparency, and animation, making it the most efficient image format available today.
Do all browsers support AVIF?
AVIF is supported by Chrome 85+, Firefox 93+, and Safari 16.4+, covering approximately 90% of browsers. Older browsers do not support AVIF.
Will I lose transparency when converting PNG to AVIF?
No. AVIF fully supports alpha channel transparency. Your transparent backgrounds will be preserved in the conversion.
What other formats can I convert PNG to?
You can also convert PNG to JPG for universal compatibility, or to WebP for wide browser support with good compression. See our other converter pages.
Related Conversions
PNG to JPG
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PNG to WebP
Convert your PNG images to WebP format directly in your browser. WebP combines the transparency support of PNG with significantly smaller file sizes, perfect for web optimization.
AVIF to PNG
Convert your AVIF images to PNG format directly in your browser. PNG provides lossless quality, full transparency support, and universal tool compatibility for design work.
JPG to AVIF
Convert your JPG images to AVIF, the next-generation image format with up to 50% better compression than JPG. AVIF delivers stunning quality at dramatically smaller file sizes.
WebP to AVIF
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HEIC to AVIF
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