DAZO
Features
PNG compression
Reduce PNG file size while keeping the format useful for transparency.
Lossy or lossless
Choose smaller files with color reduction or preserve all colors.
Transparency-friendly
Use it for UI assets, icons, screenshots, and transparent graphics.
Optimized output
Download the optimized PNG with dimensions and file size shown.
How to use it
Upload a PNG
Choose the PNG image you want to reduce.
Choose compression
Use lossy for smaller files or lossless when every color must be preserved.
Optimize and download
Run the app and download the optimized PNG.
Common questions
Lossy mode reduces the number of colors to create a smaller file. It is often fine for web graphics, but you should review the result.
Use lossless when you need to preserve all colors exactly, even if the file stays larger.
Platform basics
For this app, inputs and outputs are kept for up to 1 day. After that, they are deleted from our servers.
See the Privacy Policy and Terms. They explain what is stored, when it is deleted, and when third-party providers are involved.
If an app execution fails, the cost of that failed run is automatically refunded to your balance.
People also use
JPEG Optimizer
Reduce JPEG file size without noticeable quality loss. Upload your image, choose a quality level, and download the optimized version.
Image to AVIF
Convert any image to AVIF format for superior compression and quality. Upload your image and download the optimized AVIF version instantly.