Memory Leak Fixby FX · Mods · 1.16 – 1.20A mod that fixes random memory leaks for both the client and server
Free38.9M downloads
Singleplayer Jitter Fix is a mod that works on Minecraft 1.21. Here are 12 resources that do a similar job, ranked by how close they are and how many people use them.
| Resource | Downloads | Rating | Versions | Last update | Price |
|---|---|---|---|---|---|
 Singleplayer Jitter Fixthe one you looked at | 5 | – | 1.21 | 20 hours ago | Free |
| Memory Leak FixFX | 38.9M | – | 1.16 – 1.20 | Jan 6, 2024 | Free |
 Model Gap FixMehVahdJukaar | 33.8M | – | 1.18 – 1.21 | Oct 14, 2025 | Free |
 Lithiumjellysquid3 | 143.1M | – | 1.16 – 26.x | 16 days ago | Free |
 ModernFixembeddedt | 84.1M | – | 1.16 – 26.x | 3 days ago | Free |
 Debugifyisxander | 39.2M | – | 1.18 – 26.x | Sep 28, 2026 | Free |
 Packet FixerTonimatasDEV | 31.4M | – | 1.12 – 26.x | Sep 20, 2026 | Free |
 ToolTipFixkyrptonaught | 17.1M | – | 1.17 – 1.21 | Jun 10, 2023 | Free |
 Starlightspottedleaf | 16.4M | – | 1.17 – 1.20 | Dec 10, 2023 | Free |
Memory Leak Fixby FX · Mods · 1.16 – 1.20A mod that fixes random memory leaks for both the client and server
Model Gap Fixby MehVahdJukaar · Mods · 1.18 – 1.21Fixes gaps in Block Models and Item Models
Lithiumby jellysquid3 · Mods · 1.16 – 26.xNo-compromises game logic optimization mod, useful for both single-player games and multi-player servers.
ModernFixby embeddedt · Mods · 1.16 – 26.xAll-in-one mod that improves performance, reduces memory usage, and fixes many bugs. Compatible with all your favorite performance mods!
Debugifyby isxander · Mods · 1.18 – 26.xFixes Minecraft bugs found on the bug tracker
Packet Fixerby TonimatasDEV · Mods · 1.12 – 26.xA simple mod to fix various problems with packets, nbt and timeouts.
ToolTipFixby kyrptonaught · Mods · 1.17 – 1.21Fixes Tooltips from runnning off the screen.
Starlightby spottedleaf · Mods · 1.17 – 1.20Rewrites the light engine to fix lighting performance and lighting errors
ThreadTweakby getchoo · Mods · 1.20 – 1.21Improve and tweak Minecraft thread scheduling. Fork of Smooth Boot for ≥1.20
Fast Paintingsby MehVahdJukaar · Mods · 1.19 – 26.xFixes painting rendering, increasing their performance and allowing them to have custom models
Marlow's Crystal Optimizerby DevBram · Mods · 1.19 – 26.xOptimization that fixes waiting on the server after crystal break before end crystal entities are cleaned.
Smooth Bootby AbdElAziz · Mods · 1.18 – 1.20Tweaks for Minecraft CPU scheduling and unofficial fork of Smooth Boot mod for Minecraft Forge 1.18.2+