Oxipng
The facts below are what the maker publishes about Oxipng, checked and dated. Our editors have not written about it yet.
The facts
Each one read from Oxipng's own pages, with the date it was checked.
What it does
- Animated PNG
- Oxipng supports limited APNG optimization, including alpha optimization, refiltering, and recompression of frames; transformations are disabled.checked 12 Oct 2026
- API access
- Yeschecked 20 Sep 2026
- APNG limit
- APNG optimization is limited to alpha optimization, refiltering, and recompression of frames; other transformations are disabled.checked 11 Oct 2026
- Batch processing
- Yeschecked 20 Sep 2026
- Compression
- It offers optimization levels 0 through 6 and a max preset; higher levels can improve compression but take longer, with diminishing returns.checked 12 Oct 2026
- Compression modes
- bothchecked 20 Sep 2026
- Containers
- The project publishes a Docker image for linux/amd64 and linux/arm64.checked 12 Oct 2026
- Contributions and support
- The project accepts contributions through GitHub pull requests and bug reports through GitHub issues.checked 11 Oct 2026
- Distribution
- The README says Oxipng can be installed through Cargo or built from source with stable or nightly Rust.checked 12 Oct 2026
- Docker
- A Docker image is available for linux/amd64 and linux/arm64.checked 11 Oct 2026
- Installation
- The project documents Windows releases, package manager options, Cargo installation, and building from source; it recommends distro packages for macOS or Linux when sufficiently up to date.checked 11 Oct 2026
- Integrations
- The README provides a pre-commit hook configuration for running Oxipng on a Git repository.checked 12 Oct 2026
- Interfaces
- Oxipng is a command-line utility and can also be used as a library in other Rust programs.checked 12 Oct 2026
- License
- The GitHub repository identifies the project as MIT licensed.checked 12 Oct 2026
- Metadata
- Its strip option removes metadata using safe, all, or a specified list of metadata chunks.checked 12 Oct 2026
- Metadata controls
- Yeschecked 20 Sep 2026
- Metadata handling
- The --strip option removes safe, all, or selected metadata chunks from processed images.checked 11 Oct 2026
- Optimization caveat
- The README says higher optimization levels and Zopfli compression are not guaranteed to produce smaller output in every case.checked 11 Oct 2026
- Optimization levels
- Optimization ranges from -o 0 through -o 6 or -o max; the default is -o 2.checked 11 Oct 2026
- Project history
- Oxipng began in 2015 as a rewrite of OptiPNG, with multithreading and Rust among its stated goals.checked 11 Oct 2026
- Purpose
- Oxipng is a multithreaded PNG optimizer written in Rust.checked 12 Oct 2026
- Related software
- The README lists ImageOptim, Squoosh, FileOptimizer, Curtail, pyoxipng, jSquash, and Trunk as software using Oxipng.checked 11 Oct 2026
The company
- Founded
- 2015checked 28 Sep 2026
Where it runs
- Platforms
- The README describes Windows downloads from GitHub Releases and recommends distro package repositories for macOS or Linux where available.checked 12 Oct 2026
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