Efficient Compression Tool (or ECT) is a C++ file optimizer.
It supports PNG, JPEG, GZIP and ZIP files.
This is free and open source software.
Key Features
- Set the compression level
- Strip the metadata.
- Use progress encoding for JPEGs.
- Automatically rotate JPEGs, when perfectly transformable.
- Automatically rotate JPEGs, dropping on-transformable edge blocks.
- Recursively search directories.
- Compress file(s) with ZIP algorithm.
- Compress file with GZIP algorithm.
- Advanced options – see image below.
- Cross-platform support – runs under Linux, macOS, and Windows.
Website: github.com/fhanau/Efficient-Compression-Tool
Support:
Developer: Felix Hanau
License: Apache License 2.0

ECT is written in C and C++. Learn C with our recommended free books and free tutorials. Learn C++ with our recommended free books and free tutorials.
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Read our verdict in the software roundup.
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