ect
Efficient Compression Tool. tldr-pages
On several platforms
Several platforms
Efficient Compression Tool. File optimizer written in C++. It supports PNG, JPEG, gzip, and Zip files.
Compress a file
ect path/to/file.pngIdentifyCompress a file with specified compression level and multithreading (1=Fastest (Worst), 9=Slowest (Best), default is 3)
ect -9 --mt-deflate path/to/file.zipIdentifyCompress all files in a directory recursively
ect -recurse path/to/directoryIdentifyCompress a file, keeping the original modification time
ect -keep path/to/file.pngIdentifyCompress a file, stripping metadata
ect -strip path/to/file.pngIdentify