Parseltongue (language file converter)
⚪ Last updated 2023⚠️ Install Order · 1 step
Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.
Preview

🔍 Analysis
- 👍 2.1% endorsement rate — high engagement, a strong quality signal
- 🏆 #8 of 92 Miscellaneous mods in this game by downloads
📋 About This Mod
Usage
Drag-and-drop
Drop a .bin, .json or a .csv file onto the tool and it will use the below conversions. This is the same as the command line usage of Parseltongue.exe
-
[].bin > .json
[
].json > .bin[].csv > .bin
If anything more specific than this is needed, then the command line will need to be used
Command Line
Parseltongue.exe <file>
<file>: File to convert (tool will use file extension to determine what to do. See above.).
--version: Show version information
-?, -h, --help: Show help and usage information
For specifying a certain convertor:
bin2json <file>: Convert .bin to .json
json2bin <file>: Convert .json to .bin
csv2bin <file>: Convert .csv to .bin
Examples
'Parseltongue.exe language.bin' will output 'language-modified.json'
'Parseltongue.exe language.json' will output 'language-modified.bin'
'Parseltongue.exe json2bin language_json.txt' will output 'language_json-modified.bin'
CSV conversion has only been tested with a .csv exported from Google Sheets.
Credits
-
[]Snake Icon by Vectors Market
[]Testers from the Hogwarts Legacy Modding discord server:
[]tucker
-
[]Snake Icon by Vectors Market
Parseltongue is a Windows tool that converts Hogwarts Legacy language .bin files to and from JSON, usable via drag-and-drop or command line. With 532 endorsements and 25,122 downloads, it's a practical utility for modders and translators. Last updated in February 2023, it remains a go-to for language file editing.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Community-trusted with 532 endorsements and over 25k downloads.
- Drag-and-drop makes it beginner-friendly for non-technical users.
- Command-line option gives power users flexibility for automation.
⚠️ Cons
- Windows-only — no macOS or Linux support mentioned.
- Last updated in 2023 — may not support future game patches.
- No detailed documentation or examples provided in the description.
For Hogwarts Legacy modders and translators who need to edit language files. Also for tech-savvy players who want to customize in-game text. Skip if you're not interested in modding or file editing.
💡 Beginner Tips
- Drag and drop a .bin file onto the executable to convert it to JSON.
- Use the command line for batch conversions or scripting.
- Always keep a backup of original .bin files before editing.
📊 Mod Details
- Game
- Hogwarts Legacy Mods
- Author
- lordvoldem0rt
- Version
- 0.2.3
- Downloads
- 25,122
- Endorsements
- 532
- Category
- Miscellaneous
- Created
- 2/9/2023
- Updated
- 2/23/2023
🔧 How to Install Hogwarts Legacy Mods
Download from Nexus.
📖 Full step-by-step install guide for Hogwarts Legacy →
Visit the official mod page for specific installation instructions for this mod.
🎮 Need cheat codes or console commands? Check ur gaming wiki for Hogwarts Legacy commands, item IDs, and more.
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