UPNG.js

UPNG.js

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.