w3strings encoder
⚪ 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.
🔍 Analysis
- 👍 5.1% endorsement rate — high engagement, a strong quality signal
- 🏆 #20 of 43 Utilities mods in this game by downloads
📋 About This Mod
w3strings decoder / encoder for adding new strings as standalone w3string files to mods
Compiled for 64bit Windows. Call with --help for options.
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[]decodes w3strings to csv file
[
]creates a standalone w3strings file from a csv file with localized strings (new ids and string keys) for your mod[]generates a ws script file to test the strings are accessible in the game
[]example included, see below
Important:
To prevent multiple mods from using the same string ids the usable ids are restricted for every file (1000 ids per file allowed). Upon encoding you have to provide an id-space, follow the example to see how it works. I suggest you use your nexusmod mod id for this.
The input files have to be saved as "UTF8 without BOM". It should work with all UTF-8 characters. Do NOT use excel to edit the csv files as it changes the format on saving the file. Instead use wordpad or notepad++.
The generated ws script file is saved as UTF8 which seems to work for (at least) the english version without problems. Unfortunately this encoding breaks the test (ONLY this test!) for some languages (see comments) - even if the encoded w3strings file is working as it should.
Read the details here: CDPR Forums
Example HOW-TO
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[]encode example.en.csv to w3strings file with: w3strings.exe --encode example.en.csv --id-space 9999
[
]rename encoded example.en.csv.w3strings to en.w3strings and put it into the contents folder of your mod[]optional: put generated example.en.csv.w3strings.ws and testUtils.ws into the contents/scripts folder of your mod
[]optional: test script access by opening the console (from console mod) and call function test_verifyW3Strings() The test result will be logged and shown in the HUD.
CRC for w3strings.exe v0. 4. 1
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[]size: 548448 bytes
[
]md5: 48cc24b86b6af01d407f27f9e6e261a7 - sha256: ee729aefc94ec314798b016833bf71754fc9771bce0aaceb665168e368646deb
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[]size: 548448 bytes
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[]encode example.en.csv to w3strings file with: w3strings.exe --encode example.en.csv --id-space 9999
A utility tool for The Witcher 3 modders that decodes and encodes w3strings files, allowing new strings to be added as standalone files to mods. With over 1,000 endorsements and nearly 20,000 downloads, it's a community staple for localization and text modding, though it hasn't been updated since 2016.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Proven track record: 1,026 endorsements and nearly 20k downloads show it's a go-to for modders.
- Essential for anyone adding custom text or translations to Witcher 3 mods.
- Standalone file support means you can inject strings without messing with base game files.
⚠️ Cons
- Last updated in 2016 — might not play nice with the latest game patches or modding tools.
- It's a niche tool for mod authors, not for casual players looking for gameplay tweaks.
For Witcher 3 mod authors who need to add custom strings, like new item names or dialogue, to their mods. Also useful for translators creating localization patches. Skip if you're just a player — this is a dev tool, not a gameplay mod.
💡 Beginner Tips
- If you're new to Witcher 3 modding, check out community guides on w3strings encoding before diving in.
- Test your encoded strings in a clean save to avoid conflicts with other mods that modify the same files.
- Keep a backup of your original w3strings files before running the encoder on them.
📊 Mod Details
- Game
- Witcher 3 Mods
- Author
- rmemr
- Version
- 0.4.1
- Downloads
- 19,932
- Endorsements
- 1,026
- Category
- Utilities
- Created
- 12/13/2015
- Updated
- 12/20/2016
🔧 How to Install Witcher 3 Mods
Download from Nexus.
📖 Full step-by-step install guide for Witcher 3 →
Visit the official mod page for specific installation instructions for this mod.
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