# HELPDECO

> HELPDECO dissects Windows Help files from Windows 3.0, 3.1, 3.11, and 95, and many MVB multimedia viewer titles, into the files needed to rebuild them with HC30, HC31, HCP, HCW, HCRTF, WMVC, MMVC, or MVC. The output includes the HPJ or MVP project, RTF, phrases, icons, pictures, and baggage files.

- Type: Tool
- Targets: Binary
- Category: Native analysis tools
- Relationship: Foundation tool
- Sources reviewed: 2026-11-07
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/pmachapman/helpdeco>
- Primary source: <https://github.com/pmachapman/helpdeco/blob/785273788af17fde4fba7df7162d547f8645d7d8/README>
- Catalog page: <https://awesomerea.org/resources/helpdeco/>
- Record JSON: <https://awesomerea.org/resources/helpdeco/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/helpdeco/index.md)

## Requirements & limits

- Run HELPDECO with a help filename. Files are written in the current directory. Option -y overwrites existing files without asking.
- License: GPL-2.0-or-later.

## Primary sources

1. <https://github.com/pmachapman/helpdeco/blob/785273788af17fde4fba7df7162d547f8645d7d8/README>

## More in Native binaries

- [NWiiRecomp](https://awesomerea.org/resources/nwiirecomp/index.md) · Tool
- [Nehebn2](https://awesomerea.org/resources/nehebn2/index.md) · Tool
- [Fishbones](https://awesomerea.org/resources/fishbones/index.md) · Tool
- [JVM Inspector](https://awesomerea.org/resources/jvm-inspector/index.md) · Tool
- [Binary Ninja PCode](https://awesomerea.org/resources/binaryninja-pcode/index.md) · Tool
- [mapfile_parser](https://awesomerea.org/resources/mapfile-parser/index.md) · Tool

## 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.