- Loaders
- Fabric
- Downloads on Modrinth
- 1.4K
- Followers on Modrinth
- 1
- versions
- 6
- Updated
- May 11, 2026May 11
- Published
- in 2026
At a glance
Install in the game only; not needed on the server
NameProtect
Client-side Minecraft mod for Fabric 1.21.4. Filters and replaces nicknames and chat text on your screen using custom rules. Server sees nothing - purely visual, runs only on your client.
Features
- Nickname filtering - replaces matching player names in chat, tab list, nameplates above heads, and team-colored displays
- Chat replacement - applies rules to all incoming chat messages
- Custom rules - define any number of
word → replacementpairs - Case-insensitive matching - rule
noobmatchesNOOB,Noob,nOoB - Unicode support - works with non-ASCII names (Cyrillic, etc.)
- Live config - rules persist in JSON, reload without restart
- Zero server impact - pure client-side mixins, no packets sent
Commands
All commands run client-side under /nameprotect:
| Command | Action |
|---|---|
| `/nameprotect set ` | Add or update a rule |
| `/nameprotect remove ` | Delete a rule |
/nameprotect list | Show all active rules |
/nameprotect reload | Reload config from disk |
/nameprotect clear | Remove all rules |
Example
/nameprotect set Notch SteveTheLegend
/nameprotect set badword ***After this, any occurrence of "Notch" in chat or above heads renders as "SteveTheLegend", and "badword" becomes "***".
Config
Rules stored at .minecraft/config/nameprotect.json:
{
"notch": "SteveTheLegend",
"badword": "***"
}You can edit this file directly, then run /nameprotect reload.
Requirements
- Minecraft 1.21.4
- Fabric Loader 0.16.0+
- Fabric API
- Java 21
Installation
- Install Fabric Loader for 1.21.4
- Drop Fabric API into
mods/ - Drop NameProtect jar into
mods/ - Launch - use
/nameprotectin-game
Notes
- Client-side only - does not work on the server side, does not need to be on the server
- No mixin conflicts known with major mods
- Rules apply to display only - chat history files store original text
License
MIT - Reizoo
FAQ
How to install NameProtected?
Install Fabric for your Minecraft version, download NameProtected for the same version and loader, put the file into the mods folder and launch the game with the loader profile.
Which Minecraft versions does NameProtected support?
NameProtected has builds for Minecraft 1.18.1–1.18.2, 1.19.1–1.19.4, 1.20.1–1.20.6, 1.21.4–1.21.11 ….
Is NameProtected needed on the server?
Client only — no need to install it on the server