Champollion PEX to Papyrus Decompiler
⚪ Last updated 2016⚠️ Install Order · 2 steps
Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.
Preview
🔍 Analysis
- 👍 7.0% endorsement rate — high engagement, a strong quality signal
- 🏆 #2 of 25 Utilities mods in this game by downloads
📋 About This Mod
Champollion decompiles . PEX binary files to a human-readable . PSC Papyrus script file.
This is based on the Skyrim utility of the same name. (available here)
At the moment this is able to successfully read the new PEX files, and successfully decompiles everything, including the 11 new opcodes.
For my fellow devs, the source is available on github here.
Champollion PEX to Papyrus Decompiler is a utility that ports the popular PEX decompiler to Fallout 4, allowing modders to convert compiled Papyrus scripts back into readable source. With 1,642 endorsements and 23,503 downloads, it's a well-established tool for FO4 modding, though it hasn't been updated since 2016.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Community-trusted utility with 1,642 endorsements and 23,503 downloads.
- Essential for FO4 modders who want to edit compiled scripts without the original source.
- Straightforward tool—no complex setup, just run it on your PEX files.
⚠️ Cons
- Last updated in 2016—may not support the latest FO4 updates or DLC content.
- No detailed documentation or usage guide provided by the author.
- Requires some technical knowledge to use effectively; not for casual players.
For Fallout 4 mod authors and scripters who need to decompile PEX files to understand or modify existing mods. Skip if you're a player looking for gameplay changes—this is a developer tool, not a gameplay mod.
💡 Beginner Tips
- Run the decompiler from the command line with the path to your PEX file as an argument.
- Use it on backups of PEX files, as decompiled scripts may not perfectly match the original source.
- Check the mod's forum or comments for community-made tutorials if you're new to decompiling.
📊 Mod Details
- Game
- Fallout 4 Mods
- Author
- Orvid
- Version
- v1.0.6
- Downloads
- 23,503
- Endorsements
- 1,642
- Category
- Utilities
- Created
- 11/30/2015
- Updated
- 4/27/2016
🔧 How to Install Fallout 4 Mods
Download from Nexus.
📖 Full step-by-step install guide for Fallout 4 →
Visit the official mod page for specific installation instructions for this mod.
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