Efficient Compression Tool (ECT)

Spec sheet

Product

ECT describes itself as a C++ file optimizer.Read 11 Oct 2026 · github.com

Free plan

YesRead 24 Sep 2026 · github.com

Integrations

The README documents CMake and Xcode build workflows; it does not name external service integrations.Read 11 Oct 2026 · github.com

License

The GitHub repository lists an Apache-2.0 license.Read 11 Oct 2026 · github.com

Batch processing

YesRead 24 Sep 2026 · github.com

Build dependency

The README says NASM may need to be installed if it is unavailable.Read 11 Oct 2026 · github.com

Build system

ECT is built with CMake and the project says a recursive clone is required to build it.Read 11 Oct 2026 · github.com

Compression modes

losslessRead 24 Sep 2026 · github.com

Delivery model

The maker's README describes building the command-line tool from source and does not describe a hosted web app.Read 11 Oct 2026 · github.com

Formats

It supports PNG, JPEG, GZIP and ZIP files.Read 11 Oct 2026 · github.com

Metadata controls

YesRead 24 Sep 2026 · github.com

Multithreading

The build option ECT_MULTITHREADING=OFF turns off multithreading support.Read 11 Oct 2026 · github.com

Optimization levels

The README reports gzip benchmark results for ECT levels -1 through -9.Read 11 Oct 2026 · github.com

Performance benchmark

For its enwik8 gzip benchmark, the README reports ECT -1 produced 36,493,257 bytes in 3.5 seconds on macOS 12.5 with an Intel i7-7700HQ and clang.Read 11 Oct 2026 · github.com

SIMD

The README says Xcode users can disable assembly files with WITH_SIMD=OFF if they do not need maximum speed.Read 11 Oct 2026 · github.com

Supported formats

PNG,JPEG,GZIP,ZIPRead 24 Sep 2026 · github.com

Xcode

The README documents generating an Xcode project with CMake and notes an assembly build-rule adjustment for mozjpeg.Read 11 Oct 2026 · github.com

Plans and prices

Every Efficient Compression Tool (ECT) plan and price →

Where Specifiction places it

• Image Compression Software#57 of 857.7