tntOptimizer
by bijssels
tntOptimizer limits how many TNT entities can be active and exploding at once, so large TNT setups put less strain on servers.
What it does
Installed on a server, the mod caps how many TNT entities may be active at the same time and how many may explode within one game tick. Nearby TNT can be merged into a single entity, and explosion calculations are cached, so each blast needs fewer calculations. The aim is to cut lag while leaving TNT close to its vanilla behavior.
A small number of edge cases may behave a little differently from vanilla, since the active TNT count is capped. Most TNT cannons keep working. A cannon that relies on more than 250 active TNT entities at the same time will not fire correctly, and orbital strike cannons are expected to break. The mod is server-side in function, so players need nothing extra to join a server that runs it.
Installation requires Fabric API on the Fabric loader. tntOptimizer is published only for Fabric, for 26.1.2 – 26.2, and it is not open source; it is released under All rights reserved. The latest file, 1.6 for 26.2, was published on 2026-07-10.
Key features
Active TNT cap
The number of TNT entities active at one time is limited, which keeps large detonations from overloading the server.
Per-tick explosion limit
Only a set number of TNT may explode within the same game tick, spreading heavy blasts over several ticks.
Merging nearby TNT
Close TNT entities are merged into one, so the server processes fewer entities and calculations.
Cached explosion math
Explosion calculations are cached, reducing repeated work for similar blasts.
Gallery
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Requirements
Dependencies declared by the latest file for each loader.
Required 1
Use cases
Who it’s for: Server owners who host TNT-heavy builds or minigames, and players who run large TNT contraptions on a server with tntOptimizer installed.
How it compares
Cheaper TNT is server-side only, licensed under the MIT License and not open source, and targets 26.2 alone. CreeperBoom is server-side only, open source under the MIT License, and covers 1.21.3 – 26.3, a wider range than tntOptimizer.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| tntOptimizer | Fabric | 26.1.2 – 26.2 | Client or server, optional | 2026-07-10 |
| Cheaper TNT | Fabric | 26.2 | Server-side only | 2026-08-12 |
| CreeperBoom | Fabric | 1.21.3 – 26.3 | Server-side only | 2026-10-04 |
Questions
Does tntOptimizer need Fabric API?
Does tntOptimizer have to be installed on the client?
Which game versions does tntOptimizer support?
Will TNT cannons still work with tntOptimizer?
In the catalog
tntOptimizer is one of 3,545 Optimization mods on ModsFinder, and one of 2,575 Optimization mods for Fabric. 13,894 mods support Minecraft 26.2.
More from bijssels
Similar mods
What the author says
The goal is to reduce lag while keeping TNT behavior as close to vanilla as possible. I tried to keep the mod as close to vanilla as possible. However, because the number of active TNT entities is limited, there is a small chance that some edge cases will behave slightly differently.
Official listing
- Modrinth page
- modrinth.com/mod/tntoptimizer
- Owner
- bijssels
- Published
- 2026-06-03
- Updated on Modrinth
- 2026-07-10
- Facts verified
- 2026-10-15