Fast and advanced PNG (APNG) decoder and encoder (lossy / lossless)
A small, fast and advanced PNG / APNG encoder and decoder. It is the main PNG engine for Photopea image editor.
- Examples of PNGs minified by UPNG.js
- Try UPNG.js in Photopea - open an image and press File - Save for web, play with the Quality
- UPNG.Photopea.com - a separate minifier app, that uses UPNG.js
- Support us by making a donation.
Download and include the
UPNG.js file in your code.