# .AUP-File-Type-Decryptor-and-Viewer

> .AUP-File-Type-Decryptor-and-Viewer is a local browser tool for inspecting Dragon Soul .aup game asset files. It implements the documented LZSS variant, previews image, audio and text formats, and exports files while preserving folder structure. The README specifies the four-byte size header and ring-buffer command stream.

- Type: Tool
- Targets: Game
- Category: Game analysis tools
- Relationship: Foundation tool
- Sources reviewed: 2026-11-06
- Added to the catalog: 2026-11-06
- Original resource: <https://github.com/PredatorIWD/.AUP-File-Type-Decryptor-and-Viewer>
- Primary source: <https://github.com/PredatorIWD/.AUP-File-Type-Decryptor-and-Viewer/blob/8ccbc8e6c288584b55fbd63fa66173bc3e1105c5/README.md>
- Catalog page: <https://awesomerea.org/resources/dragon-soul-aup-viewer/>
- Record JSON: <https://awesomerea.org/resources/dragon-soul-aup-viewer/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/dragon-soul-aup-viewer/index.md)

## Requirements & limits

- **Prerequisites:** A browser and Dragon Soul .aup files are required for use.
- **Limits:** Encoding and compression of raw files back into .aup is listed as unfinished.
- **License:** MIT license.

## Primary sources

1. <https://github.com/PredatorIWD/.AUP-File-Type-Decryptor-and-Viewer/blob/8ccbc8e6c288584b55fbd63fa66173bc3e1105c5/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.