---
syntax: markdown
tags: [tldr, common]
source: https://github.com/tldr-pages/tldr.git
---
# pngcrush

> PNG compression utility.
> More information: <https://pmt.sourceforge.io/pngcrush>.

- Compress a PNG file:

`pngcrush {{in.png}} {{out.png}}`

- Compress all PNGs and output them to the specified directory:

`pngcrush -d {{path/to/output}} *.png`

- Compress PNG file with all 114 available algorithms and pick the best result:

`pngcrush -rem allb -brute -reduce {{in.png}} {{out.png}}`
