tldr/pages/common/ect.md

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# ect
> Efficient Compression Tool.
> File optimizer written in C++. It supports PNG, JPEG, gzip and Zip files.
> More information: <https://github.com/fhanau/Efficient-Compression-Tool>.
- Compress a file:
`ect {{path/to/file.png}}`
- Compress a file with specified compression level and multithreading (1=Fastest (Worst), 9=Slowest (Best), default is 3):
`ect -{{9}} --mt-deflate {{path/to/file.zip}}`
- Compress all files in a directory recursively:
`ect -recurse {{path/to/directory}}`
- Compress a file, keeping the original modification time:
`ect -keep {{path/to/file.png}}`
- Compress a file, stripping metadata:
`ect -strip {{path/to/file.png}}`