OpenJPEG
The facts below are what the maker publishes about OpenJPEG, checked and dated. Our editors have not written about it yet.
Plans and prices
From OpenJPEG's own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| OpenJPEG | Free | BSD 2-clause license · commercial use allowed |
The facts
Each one read from OpenJPEG's own pages, with the date it was checked.
What it does
- API access
- Yeschecked 24 Sep 2026
- API stability
- The project says it strives to provide a stable API/ABI and exposes a limited subset of functions.checked 11 Oct 2026
- Batch processing
- Yeschecked 24 Sep 2026
- Build
- The installation documentation points users to build and installation instructions in the source tree.checked 11 Oct 2026
- Compression
- The opj_compress program converts supported image files to JPEG 2000 files.checked 11 Oct 2026
- Compression modes
- bothchecked 24 Sep 2026
- Input formats
- The documented compressor accepts BMP, PGM, PGX, PNG, PNM, PPM, RAW, RAWL, TGA and TIF inputs.checked 11 Oct 2026
- JPIP
- OpenJPIP implements JPEG 2000 Part 9 features including JPIP over HTTP, image indexing and region-of-interest requests.checked 11 Oct 2026
- License
- The two-clause BSD license permits use and modification, including for commercial applications, with copyright retained in source or binary documentation.checked 11 Oct 2026
- Lossy and lossless
- The compressor documentation describes compression-ratio and quality-in-dB layers and says the default is one lossless quality layer.checked 11 Oct 2026
- Maintainer
- The project site says the Image and Signal Processing Group at Université de Louvain maintains the library.checked 11 Oct 2026
- Output formats
- The documented compressor can output J2K, JP2 and J2C formats.checked 11 Oct 2026
- Project status
- The repository README says the repository should be considered unmaintained and that no committer currently feels responsible for regularly reviewing tickets or pull requests.checked 11 Oct 2026
- Purpose
- OpenJPEG is an open-source JPEG 2000 codec written in C.checked 11 Oct 2026
- Reference software
- The project says it is officially recognized by ISO/IEC and ITU-T as JPEG 2000 Reference Software.checked 11 Oct 2026
- Release
- The project site lists version 2.5.4 as its latest release.checked 11 Oct 2026
- Removed components
- The repository says openjpwl, openjp3d and openmj2 were removed after release 2.4.0 and their building and working state is unknown.checked 11 Oct 2026
- Supported formats
- BMP,PGM,PGX,PNG,PNM,PPM,RAW,RAWL,TGA,TIF,J2K,JP2,J2C,JPTchecked 24 Sep 2026
Money
- Free plan
- Yeschecked 24 Sep 2026
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