# FSEQ File Format

> FSEQ File Format documents the version 2 Falcon sequence files used by Falcon Player and xLights for timed lighting-channel states. Derived from those software implementations, it maps the little-endian header, compression blocks, sparse channel ranges, variable records and compressed channel data.

- Type: Documentation
- Targets: App
- Category: Learning resources
- Relationship: Learning resource
- Sources reviewed: 2026-11-08
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/Cryptkeeper/fseq-file-format>
- Primary source: <https://github.com/Cryptkeeper/fseq-file-format/blob/66f27ec1e44581e54130c9483e5d61a84bcb7d97/README.md>
- Catalog page: <https://awesomerea.org/resources/fseq-file-format/>
- Record JSON: <https://awesomerea.org/resources/fseq-file-format/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/fseq-file-format/index.md)

## Requirements & limits

- **Limits:** The author describes the documentation as incomplete, potentially incorrect and outdated.
- **License:** MIT License.

## Primary sources

1. <https://github.com/Cryptkeeper/fseq-file-format/blob/66f27ec1e44581e54130c9483e5d61a84bcb7d97/README.md>
2. <https://github.com/Cryptkeeper/fseq-file-format/blob/66f27ec1e44581e54130c9483e5d61a84bcb7d97/LICENSE>

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## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.