ClientReflex
ClientReflex improves the experience on laggy servers: it reduces disconnections, automatically reconnects, makes movement and attack responses feel more…
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ClientReflex (Fabric)
ClientReflex is a client-side mod for Minecraft that improves the multiplayer experience on servers with lag, high ping, or unstable connections. It optimizes how the client handles networking to reduce disconnections and make gameplay feel more responsive—without modifying the protocol or cheating.
Features
- Anti-disconnect system for micro network drops
- Intelligent auto-reconnect
- Network HUD with real-time ping, jitter, and statistics
- Packet prioritization (movement, attacks, block placement)
- Safe visual prediction (crystals, beds, anchors, TNT minecarts)
- Input smoothing and player interpolation
- Automatic render adjustments based on ping
- Netty optimizations (TCP_NODELAY, SO_KEEPALIVE)
Information
- Client-side only (no server required)
- Safe and compatible with anti-cheats
- Fully configurable (ModMenu optional)
- Minecraft 1.21.x · Fabric
- Packet Prioritization: Gives priority to critical packets such as movement and attacks.
Requirements
- Fabric Loader >= 0.15.0
- Fabric API (any version)
- Minecraft 1.21.x
- Java >= 21
Optional Dependencies
- ModMenu 7.2.2+ (for in-game configuration)
- Cloth Config API 18.0.145+ (required if using ModMenu for configuration)
Installation
- Install Fabric Loader and Fabric API.
- Place ClientReflex-1.0.0.jar into the .minecraft/mods/ folder.
- (Optional) Install ModMenu and Cloth Config API to configure the mod in-game.
Notes
This mod only optimizes the client–server connection without altering the game protocol, ensuring full compatibility with servers and anti-cheats.
Last updated: 2024
ClientReflex does not reduce your real ping; it improves perceived latency and gameplay stability.
Author: zxNoragami License: MIT
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.4
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as ClientReflex-1.0.0.jar — drop this file into the mods folder
- Download size: 367 KB
- Download link checked 1 Sept 2026 — working
These come from our own check of the pack file, not from the source page.