# Diablo II Save File Format

> Diablo II Save File Format documents the binary layout of Diablo II .d2s character saves. It maps the 765-byte header, version identifiers, checksum calculation, status flags, waypoints and item bit fields, while marking unresolved sections and unknown bytes.

- Type: Documentation
- Targets: Game
- Category: Game analysis tools
- Relationship: Learning resource
- Sources reviewed: 2026-11-08
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/krisives/d2s-format>
- Primary source: <https://github.com/krisives/d2s-format/blob/ab63360edf9860e3390bd434f4ae35b61a2a4c69/README.md>
- Catalog page: <https://awesomerea.org/resources/d2s-format/>
- Record JSON: <https://awesomerea.org/resources/d2s-format/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/d2s-format/index.md)

## Requirements & limits

- **Scope:** Covers Diablo II .d2s character save files.
- **Limits:** Several sections, including progression, quests and stats, remain marked TODO or contain unknown fields.
- **License:** No licence file in the repository.

## Primary sources

1. <https://github.com/krisives/d2s-format/blob/ab63360edf9860e3390bd434f4ae35b61a2a4c69/README.md>

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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.