Tool

libsai

libsai documents and implements access to PaintTool SAI .sai artwork files. Its research describes 4,096-byte encrypted blocks, table entries, checksums and the virtual filesystem that stores layers and metadata; C++ sources and sample programs expose document and thumbnail handling.

Targets: App
Category: Binary analysis libraries
Relationship: Foundation tool
Sources reviewed: 2026-11-08

Stars: 131
Last commit: 2026-09-13
Language: C++
License (GitHub): MIT

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: Requires .sai document files as input; the documented focus is PaintTool SAI version 1.
Prerequisites: Builds with C++20 and CMake.
Limits: The write-up covers related files such as thumbnails only partially.
License: MIT License.

Cite

BibTeX

@misc{libsai,
  title = {{libsai}},
  howpublished = {\url{https://github.com/Wunkolo/libsai}},
  url = {https://github.com/Wunkolo/libsai},
  urldate = {2026-11-08},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/libsai/}}
}

Plain text

libsai. https://github.com/Wunkolo/libsai (accessed 2026-11-08). Awesome REA entry: https://awesomerea.org/resources/libsai/

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Primary sources

README.md GitHub · Wunkolo/libsai · Revision f07ee88