ModsFinder

PurplePing

by QurtiDev

PurplePing is a lightweight Fabric utility that spoofs the latency players show to others by delaying outgoing packets.

FabricClient-side onlyMIT LicenseOpen source1.21 – 1.21.11

What it does

Once installed, PurplePing lets a player add a fixed delay to the packets their client sends, which changes the ping value that other players and the server see for that connection. The delay is set with a chat command, so the same client can be tested at different latencies without restarting the game. Clicks and attacks are held back by the chosen amount, which makes the effect visible in combat.

PurplePing runs on Fabric and covers twelve release versions, with the latest Fabric file targeting 1.21.11. Only the client needs it, so servers do not have to install anything. The code is open source under the MIT License, and the source code and issue tracker are public.

Key features

  1. Packet delay

    Outgoing packets are held for a set number of milliseconds before they are sent, which raises the ping shown to others.

  2. Delay command

    The .ping send command takes a value in milliseconds, for example 200 adds a 200 ms delay to clicks and attacks.

  3. Lightweight design

    The mod is small and only touches outgoing packet timing, so it adds little load to the game client.

  4. Drop-in installation

    The file is placed in the mods folder, and the game is launched with the Fabric loader to activate it.

Compatibility

Latest build for each game version and loader.

1.21.x12 of 12 versions with builds
1.21.111.1.0+mc1.21.x
1.21.101.1.0+mc1.21.x
1.21.91.1.0+mc1.21.x
1.21.81.1.0+mc1.21.x
1.21.71.1.0+mc1.21.x
1.21.61.1.0+mc1.21.x
1.21.51.1.0+mc1.21.x
1.21.41.1.0+mc1.21.x
1.21.31.1.0+mc1.21.x
1.21.21.1.0+mc1.21.x
1.21.11.1.0+mc1.21.x
1.211.1.0+mc1.21.x
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Use cases

Testing combat timing

A player can check how a PvP setup feels at higher latency before playing on a laggier connection.

Latency comparison

Players who want to see how their gameplay changes at different ping values can adjust the delay between tests.

Who it’s for: Players who want to test how their gameplay feels at higher latency, and developers checking how their own game behaves under delayed input. Only the client needs the mod, so it suits single-player testing and joining servers without changes to the server side.

How it compares

Full comparison

Block Ping mod is an open source Fabric mod under the MIT License for 1.21.11, and it is client and server, so both sides need it. Tnt Minecart Optimizer is client-side only, MIT licensed, and covers 1.21.1 – 1.21.11, but it is a different kind of tool. PurplePing is open source under the MIT License and runs on the client alone.

ModLoadersGame versionsEnvironmentUpdated
PurplePingFabric1.21 – 1.21.11Client-side only2026-01-30
Block Ping modFabric1.21.11Client and server2026-07-31
Tnt Minecart OptimizerFabric1.21.1 – 1.21.11Client-side only2026-02-07

Questions

Does PurplePing need to be installed on the server?

No. Only the player's game needs it, and servers run without it.

Which game versions does PurplePing support?

Files exist for twelve release versions. The latest Fabric file is 1.1.0 for 1.21.11, published on 2026-01-30.

Does PurplePing need any other mod?

No dependencies are listed for it. It is installed by placing the file in the mods folder and launching the game with the Fabric loader.

In the catalog

PurplePing is one of 3,545 Optimization mods on ModsFinder, and one of 2,575 Optimization mods for Fabric. 19,862 mods support Minecraft 1.21.11.

Optimization mods3,545Fabric modsMods for 1.21.1119,862

Similar mods

Sodium1.16.3 – 26.3Iris Shaders1.16.5 – 26.3Entity Cullingb1.7.3 – 26.3FerriteCore1.16.5 – 26.3ImmediatelyFast1.18.2 – 26.3Sodium Extra1.16.2 – 26.3

Official listing

Owner
QurtiDev
Published
2026-01-24
Updated on Modrinth
2026-01-30
Facts verified
2026-10-15

Tags

EquipmentOptimizationUtility
Open on ModrinthCompare