Convert PNG to AVIF Online — Extreme Compression Ratio
AVIF delivers the highest compression efficiency available today. Converting heavy PNGs to AVIF cuts data weight by up to 85% with superb visual fidelity.
When converting PNG to AVIF on llmscope.link, your files are decoded and re-encoded entirely within your computer’s browser sandbox via the HTML5 Canvas API and WebAssembly. No image files or telemetry packets are ever uploaded, logged, or retained on any remote server.
| Specification | PNG (Source) | AVIF (Target) |
|---|---|---|
| Compression Mechanism | Lossless DEFLATE | AV1 video keyframe compression (AOMedia) |
| Alpha Transparency | Full alpha channel | Full alpha channel supported |
| Animation Support | Static only | Supported |
| Browser Support | Universal | Supported in Chrome, Firefox, Safari 16+, Edge |
| Typical Data Delta | 70% to 85% size reduction | |
- Maximum Core Web Vitals optimization
- Mobile web apps targeting low-bandwidth regions
- High-traffic websites looking to reduce CDN egress costs
Upload PNG
Drop your PNG file onto the workspace.
Select quality
Choose your desired AVIF quality level (80% recommended).
Encode
Browser compiles the AVIF bitstream.
Download
Save your ultra-compact AVIF file.
Q:Is AVIF better than WebP?
AVIF generally compresses 20% smaller than WebP at equivalent visual quality, especially on photographic and detailed content.
Q:Does AVIF support transparency?
Yes! AVIF includes full alpha channel support, making it an ideal modern replacement for PNG.