About ProtocolStringReplacer - Efficient message editor[1.8-1.21.6]
From SpigotMCCustomize all messages on servers | Also Parse Placeholder everywhere
MCBBS (Chinese) : https://www.mcbbs.net/thread-1209429-1-1.html
This plugin requires ProtocolLib 4.4.0+ , NBTAPI, and OPTIONAL PlaceHolderAPI 2.10.7+
Notice: If you are trying to replace colors in your ReplacerConfig, use '§'(Vanilla Minecraft color character) instead of '&'(Bukkit color character). e.g. §3§l instead of &3&l
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┃ Introduction
ProtocolStringReplacer is a plugin that realizes the function of replacing strings by editing packets. It is committed to optimizing efficiency and providing more functions for use.
Because only the packet sent to the player is edited, plugin will not affect the processing from the server.
┃ Features
- Fix Log4j 0day CVE vulnerability (For all servers)
- We have a
/psr capturecommand to let you easily copy the original texts. - Edit 1.19.0-1.19.2 ChatPreview Component
- Edit Item full NBT, DisplayName and Lore
- Edit TabComplete Strings
- Edit Combat Died(Death Screen) Message
- Edit Kick Disconnect Message
- Edit Book Contents / Author
- Edit Boss-Bar Texts
- Edit Sign full NBT, 4/8 Text Lines
- Edit ScoreBoard Texts
- Edit Console Messages
- Edit Title Messages
- Edit Chat Messages
- Edit Window-Title Texts
- Edit Entity name
- Support Convert PLAYER_CHAT packets to SYSTEM_CHAT packets, to make sure replacements on 1.19. (Side Effect: Clients cannot detect the player who sent the messages. E.g. cannot report players via chat)
- Support Replace strings, or just block that packet!
- Use Aho-Corasick Algorithm for string replace! It's crazy fast!
- Will not increase the bandwidth pressure of the server! All replacements are processed on the original packet.
- Support editing Json , and Intelligent processing of Json,
- Will not break any extra contents(e.g. HoverEvent) in messages.
- ItemMeta cache System, only needs 1ms for processing ItemStacks in a window.
- Edit the replaces and blocks in game.
- You can create multiple replacer configs for greater legibility.
- Safe placeholder replacement system.
- Full hot-load and hot-unload support.
- Filter System(Client locale, permission and many else).
┃ Commands
/psr help - List all the commands
/psr edit - Replacer configs editor in game
/psr parse - Test replacing strings
/psr capture - Capture contents in packets
/psr reload - Reload replacer configs
┃ Permissions
protocolstringreplacer.command.edit - Allow to use edit commands
protocolstringreplacer.command.parse - Allow to use parse commands
protocolstringreplacer.command.reload - Allow to use reload commands
protocolstringreplacer.command.capture - Allow to use capture commands
protocolstringreplacer.feature.usermetacache - Restore original itemstack when receive packet from player to avoid errors in Creative gamemode.
protocolstringreplacer.feature.usermetacache.noncreative - Same with above, but for other gamemodes. To avoid errors caused by other plugins usually.
┃ Example ReplacerConfig
Replacer Config Examples are now built in the plugin jar, and will be created the first time you run the plugin.
┃ Support
For docs, please check Config.yml and Replacers\Example.yml . The comments in the files explain almost all the features we have. We don't have a maintaining wiki right away.
For discussing, supporting you can join our Discord server.
If you met any bug, please report it on GitHub. Write the issue in English or Chinese.
DO NOT post it in the spigotmc comments. I don't check it often, which means you will not get support.
┃ bStats
Thanks to all the servers who join the bStats anonymous data collection. This really helps me a lot in development and provides me with a steady motivation.
Highlights
From source dataGame versions
Supports 15 Minecraft versions, the newest being 1.21.
Loaders
Runs on Spigot and Paper.
Footprint
Rated a light load on a server.
ProtocolStringReplacer - Efficient message editor[1.8-1.21.6] on Nxeon
From our catalogue- One-click install
- Supported on Nxeon Minecraft servers, for Paper servers. We download it from SpigotMC, place it, and restart the server.
- Server side
- Required on the server
- Server type needed
- Spigot, Paper
- Server load
- light
- Smallest plan we suggest
- Minecraft — 2 GB (2 GB RAM). This follows our own load rating above, not a benchmark.
- Latest build
- 3.2.3, released 2025-08-05
Game versions by loader
| Loader | Game versions | Newest |
|---|---|---|
| Paper | 1.8 to 1.21 (15 versions) | 1.21 |
| Spigot | 1.8 to 1.21 (15 versions) | 1.21 |
From 10 recorded builds of ProtocolStringReplacer - Efficient message editor[1.8-1.21.6].
Recent builds
| Build | Released | Game versions | Loaders |
|---|---|---|---|
| 3.2.3 | 2025-08-05 | 1.8 to 1.21 (15 versions) | Spigot, Paper |
| 3.2.2 | 2025-06-28 | n/a | Spigot, Paper |
| 3.2.1 | 2025-06-21 | n/a | Spigot, Paper |
| LATEST | 2025-06-21 | n/a | Spigot, Paper |
| 3.1.2 | 2025-01-02 | n/a | Spigot, Paper |
| 3.1.1 | 2024-10-18 | n/a | Spigot, Paper |
Run ProtocolStringReplacer - Efficient message editor[1.8-1.21.6] on a Minecraft server
Pick a server or deploy a new one above; it is installed in one click.
What kind of mod it is
From the catalogAdmin & protection
Permissions, moderation, anti-cheat and land protection for the people running the server.
Runs on your server
From source side supportSpigotMC lists ProtocolStringReplacer - Efficient message editor[1.8-1.21.6] as required on the server. Check its SpigotMC page to see whether players need it too.
Compatibility
- Game
- Minecraft
- Loaders
- SpigotPaper
- Runs on
- Serverrequired on the server
- Game versions
- 1.21 and 14 earlier
- Requires
- One-click install needs a Paper server.
Verified at the source
- ✓SpigotMCOfficial listing, checked 2026-10-02Open ↗
- ✓AuthorRothes, as published on SpigotMC
- ✓LicenseNot published by the sourceFree










