PNG to QOI
Convert images to QOI (Quite OK Image) format with fast encoding.
Learn more in the docs →About this converter
Fast Encoding
QOI encodes 20-50x faster than PNG with similar compression ratios.
Simple Format
QOI specification is only one page. Easy to implement and debug.
Lossless Quality
QOI is lossless like PNG. Good for pixel art and graphics.
Frequently Asked Questions
What is QOI?
QOI (Quite OK Image) is a fast, lossless image format created in 2021. It encodes 20-50x faster than PNG while achieving similar file sizes.
Why use QOI instead of PNG?
QOI is ideal for real-time applications, game development, and workflows where encoding speed matters. PNG is better for web distribution due to universal browser support.
What software supports QOI?
QOI is supported by image viewers like XnView, IrfanView, and many game engines. The simple specification makes it easy to add support to any application.
Is quality preserved?
Yes, QOI is a lossless format. Every pixel is preserved exactly as in the original image.