Convert PNG to AVIF Free Online
Fast, private PNG to AVIF conversion. No signup required. Files never leave your browser until conversion.
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Multiple files supported · Max 20 MB each
Private
Files never stored
Batch
Multiple at once
Lossless
Quality control
Why Convert PNG to AVIF?
AVIF offers the best compression available today — up to 50% smaller than PNG while maintaining excellent quality and transparency. It's the cutting-edge choice for web optimization.
Common Use Cases
- Maximum web performance optimization
- Next-generation image delivery pipelines
- High-quality images at minimal file size
- Modern web applications prioritizing Core Web Vitals
Source Format
PNG
Portable Network Graphics
PNG is a lossless raster image format that supports transparency. It is widely used for web graphics, screenshots, and images that require crisp edges or transparent backgrounds.
+ Lossless compression preserves every pixel
+ Full alpha transparency support
+ Universally supported across all browsers and platforms
- Larger file sizes compared to lossy formats like JPEG or WebP
- Not efficient for photographs with complex color gradients
Target Format
AVIF
AV1 Image File Format
AVIF is a next-generation image format based on the AV1 video codec. It offers significantly better compression than JPEG and WebP while maintaining high visual quality, transparency, and animation support.
+ 50% smaller than JPEG at equivalent quality
+ Better compression than WebP
+ Supports transparency, animation, and HDR
- Slower encoding and decoding than JPEG or WebP
- Limited support in older browsers and software
Quality & Size Notes
AVIF encoding is slower than other formats but produces remarkably small files. Use quality 60-80 for web images — AVIF looks excellent even at lower quality settings.
Frequently Asked Questions
How much smaller is AVIF compared to PNG?
AVIF can be 50-90% smaller than PNG depending on the image content and quality setting. Even at high quality, AVIF achieves dramatic size reductions.
Does AVIF support transparency like PNG?
Yes, AVIF fully supports alpha transparency, making it an excellent modern replacement for PNG on the web.
Is AVIF supported in all browsers?
AVIF is supported in Chrome, Firefox, Safari 16+, and Edge. For older browsers, consider using WebP as a fallback.