PNG COMPRESSOR

Compress PNG

This page keeps the output in PNG format. PNG encoding preserves transparency, but complex photographs may not become much smaller unless you also reduce pixel dimensions.

Drop an image herePNG only · PNG output keeps transparency

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What this tool does

This page keeps the output in PNG format. PNG encoding preserves transparency, but complex photographs may not become much smaller unless you also reduce pixel dimensions.

How to use it

Choose a PNG image.
Set a maximum size and adjust dimensions only when you intend to.
Process and verify the actual PNG size and pixels.

Check the output

The output format must be PNG.
Transparency is preserved in PNG output.
The displayed byte size determines pass or fail.

Common reasons it may fail

Detailed PNG files may remain above a small limit.
Keeping exact large dimensions can conflict with a small byte limit.
Very large images can exceed device memory.

Real limitations

PNG output is not promised to be smaller than every source PNG.
This page does not silently convert to JPG.
Normal processing does not upload the source image.