Level Fix
by Skrepy2233
Level Fix corrects how Minecraft shows enchantment and potion levels above 10, replacing placeholder text with Roman numerals on the client.
What it does
Vanilla Minecraft shows some enchantment and potion levels above 10 as raw placeholders such as enchantment.level.255, and in certain cases the effect disappears from the effects screen entirely. Level Fix swaps these placeholders for accurate Roman numerals, so a level displays as CCLV instead, and restores the missing entry in the effects interface. The change touches only client-side visuals and does not alter game mechanics.
The mod is published for Fabric and NeoForge, with files for 1.20.1 and for 1.21 – 1.21.11. The latest Fabric build is 1.0.0-21.1 for 1.21.1, and the latest NeoForge build is 1.0.1-21.11 for 1.21.11. Mod Menu is required on Fabric, and the options can be adjusted through it. Level Fix is client-side only, so servers do not need it. It is released under the Apache License 2.0 and is open source.
Key features
Enchantment level numerals
Enchantment levels are shown as Roman numerals in place of the enchantment.level placeholders, and can be switched back to Arabic numerals.
Potion level numerals
Potion potency placeholders such as potion.potency.255 are converted to Roman numerals on the potion display.
Effects screen restored
Potion effects above level 10 appear in the effects interface again, with correct Roman numerals.
Options through Mod Menu
Each of the three conversions can be turned on or off separately, with Roman numerals enabled by default.
Low overhead
The fix is implemented through Mixin and language files, which the author describes as adding no measurable performance cost.
Gallery
Compatibility
Latest build for each game version and loader.
1.21.x12 of 12 versions with builds
1.20.x1 of 1 version with builds
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: Players on Fabric or NeoForge who use enchantments or potions above level 10 and want readable level labels in the interface.
How it compares
Fix-level is a Client-side only mod under the MIT License, with files for 1.15 – 26.2 on Fabric, Forge, NeoForge and Quilt, and it is not open source. Enchantment Level Language Patch – Roman Numerals Addon is also client-side only and open source under CC0 1.0 Universal, covering 1.16 – 1.21.11 on the same four loaders, and it changes the enchantment language rather than the display code.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| Level Fix | Fabric and NeoForge | 1.20.1 – 1.21.11 | Client-side only | 2026-03-06 |
| Fix-level | Fabric, Forge, NeoForge and Quilt | 1.15 – 26.2 | Client-side only | 2026-08-09 |
| Enchantment Level Language Patch – Roman Numerals Addon | Fabric, Forge, NeoForge and Quilt | 1.16 – 1.21.11 | Client-side only | 2026-03-02 |
Questions
Does Level Fix need Mod Menu?
Does Level Fix have to be installed on the server?
Which game versions does Level Fix support?
In the catalog
Level Fix 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.
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What the author says
LevelFix 是一个轻量级的 Minecraft 模组，旨在修复 Minecraft 中附魔等级与药水效果等级的罗马数字显示问题。原版游戏在等级超过 10 后会显示为 enchantment.level.255 这类占位符，而药水效果在屏幕上的等级显示甚至会完全消失。本模组将这些占位符替换为准确的罗马数字（如 CCLV），并让效果 UI 中的等级重新出现，使游戏界面回归自然、清晰。 LevelFix is a lightweight Minecraft mod designed to fix the display of Roman numerals for enchantment and potion effect…
Official listing
- Modrinth page
- modrinth.com/mod/level-fix
- Owner
- Skrepy2233
- Published
- 2026-02-27
- Updated on Modrinth
- 2026-03-06
- Facts verified
- 2026-10-15