tldr/pages/common/ect.md

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}}