Documentation

reMarkable Kaitai Specs

reMarkable Kaitai Specs defines Kaitai Struct parsers for versions 3 and 5 of the reMarkable tablet's binary .rm pen-stroke format. The repository includes a sample version 5 file and credits an earlier format investigation as its basis. The author reports superficial testing on one version 5 document and no testing of version 3.

Targets: App
Category: Binary analysis libraries
Relationship: Learning resource
Sources reviewed: 2026-11-06

Stars: 16
Last commit: 2021-09-19
Language: Kaitai Struct
License (GitHub): MIT

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: Kaitai Struct for compiling the specifications into parsers.
Testing evidence: Version 5 was tested superficially on one single-layer document; version 3 was not tested.
License: MIT licence.

Cite

BibTeX

@misc{remarkable-kaitai,
  title = {{reMarkable Kaitai Specs}},
  howpublished = {\url{https://github.com/matomatical/reMarkable-kaitai}},
  url = {https://github.com/matomatical/reMarkable-kaitai},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/remarkable-kaitai/}}
}

Plain text

reMarkable Kaitai Specs. https://github.com/matomatical/reMarkable-kaitai (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/remarkable-kaitai/

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Primary sources

README.md GitHub · matomatical/reMarkable-kaitai · Revision 730ba62