Efficient Compression Tool (ECT)
The facts below are what the maker publishes about Efficient Compression Tool (ECT), checked and dated. Our editors have not written about it yet.
Plans and prices
From Efficient Compression Tool (ECT)'s own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Efficient Compression Tool | Free | PNG · JPEG · GZIP · ZIP |
The facts
Each one read from Efficient Compression Tool (ECT)'s own pages, with the date it was checked.
What it does
- Batch processing
- Yeschecked 24 Sep 2026
- Build dependency
- The README says NASM may need to be installed if it is unavailable.checked 11 Oct 2026
- Build system
- ECT is built with CMake and the project says a recursive clone is required to build it.checked 11 Oct 2026
- Compression modes
- losslesschecked 24 Sep 2026
- Delivery model
- The maker's README describes building the command-line tool from source and does not describe a hosted web app.checked 11 Oct 2026
- Formats
- It supports PNG, JPEG, GZIP and ZIP files.checked 11 Oct 2026
- Integrations
- The README documents CMake and Xcode build workflows; it does not name external service integrations.checked 11 Oct 2026
- License
- The GitHub repository lists an Apache-2.0 license.checked 11 Oct 2026
- Metadata controls
- Yeschecked 24 Sep 2026
- Multithreading
- The build option ECT_MULTITHREADING=OFF turns off multithreading support.checked 11 Oct 2026
- Optimization levels
- The README reports gzip benchmark results for ECT levels -1 through -9.checked 11 Oct 2026
- 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.checked 11 Oct 2026
- Product
- ECT describes itself as a C++ file optimizer.checked 11 Oct 2026
- SIMD
- The README says Xcode users can disable assembly files with WITH_SIMD=OFF if they do not need maximum speed.checked 11 Oct 2026
- Supported formats
- PNG,JPEG,GZIP,ZIPchecked 24 Sep 2026
- Xcode
- The README documents generating an Xcode project with CMake and notes an assembly build-rule adjustment for mozjpeg.checked 11 Oct 2026
Money
- Free plan
- Yeschecked 24 Sep 2026
Alternatives to Efficient Compression Tool (ECT)
- 1
imgproxy
Free planOpen sourceAndroidiOSWebAPI9.3Free plan - 2
Hive
Free planOpen sourceAndroidiOSWebAPI8.6From $5 a month - 3
Kraken.io
Free planWebAPIExtensionLinux8.4From $50 a year - 4
JPEGmini
Free planWebAPILinuxmacOS8.3From $199 a year - 5
Optimizilla
Free planWeb7.9From $9 a month - 6
Compressify
Free planAndroidiOSWebExtension7.9From $4.99 a month