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.
How to convert PNG to AVIF online without uploading?
To convert PNG to AVIF privately in your browser: 1. Drag and drop your PNG file into the workspace below. 2. Your browser's WebAssembly and Canvas engine decodes and re-encodes the image locally in device RAM. 3. Click Download AVIF to immediately save your converted image without uploading the file.
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.