Caxton Mod (1.21.10, 1.20.1) adds the ability to change in-game fonts using resource packs in Minecraft. It simply detects resource packs of a certain format and replaces the standard font with the one defined in the properties of your chosen resource pack.

Features:

Features

  • Crisp text at any size using MSDF technology
  • Supports real bold and italic fonts
  • Complex text rendering
  • Does not use AWT

Current Limitations

  • Arabic shaping in legacy fonts is not yet supported. Use a font with Arabic support under Caxton.
  • Generating MTSDFs from fonts is expensive, but Caxton parallelizes and caches the results after the first generation.
  • Some UI elements assume simple text rendering. GUI text may align left regardless of direction.
  • Font hinting is not supported.

Mod and Resource Pack Compatibility

  • Sodium: Compatible except Caxton <0.6.0 + Sodium 0.5.5 (outlined text issue).
  • ImmediatelyFast ≥1.2.0: Disable sortTextRenderLayers (and reuseTextRendererDrawer for Caxton <0.6.0). Disable experimental_sign_text_buffering.
  • Exordium: Disable sign buffering.
  • Iris Shaders: Incompatible – custom core shaders not supported.
  • Emojiful: Replaces Minecraft’s default text renderer.
  • VanillaIcecreamFix ≤1.2.1-beta+1.20.4: Conflicts with Caxton’s Fabric ASM (fixed in later versions).

Incorrect Layout Handling Mods

  • IBE Editor: Uses custom text widget that copies vanilla rendering.
  • Roughly Enough Items: Uses unsupported text methods.

Resource Pack Compatibility

  • Resource packs modifying text shaders (e.g. “Dark UI”, “Transparent UI”) require adjustments for Caxton fonts.

OS Support

  • Includes native libraries for x86_64 Windows and Linux.
  • Other platforms must build from source and configure rustTarget in config/caxton.json.
  • No macOS binaries provided.

How to Use Caxton

  • Comes with two built-in fonts: Inter and Open Sans.
  • You can add custom fonts using a resource pack (check the font’s license before distribution).

Adding Fonts via Resource Packs

  • Use a caxton font provider supporting regular, bold, italic, and bold_italic keys.
  • Font path format: <namespace>:<path> → assets/<namespace>/textures/font/<path>
  • Supports scaling, shifting, shadow offsets, and OpenType features via JSON configuration.
  • Example path: assets/example/textures/font/example.otf.json

Global Configuration (config/caxton.json)

  • rustTarget: Rust platform target (auto-detected by default).
  • tweakExpText: Improves XP bar text rendering.
  • sortTextRenderLayers: Controls rendering order; disable for ImmediatelyFast.
  • reuseTextRendererDrawer: Legacy compatibility option (removed after 0.6.0).
  • fatalOnBrokenMethodCall: Throws errors on unsupported text methods.
  • disableEasterEggs: Disables splash text easter eggs.

Building from Source

  • Requires Rust toolchain, Clang, and Gradle.
  • Build for multiple platforms with:
    gradle build -Dxyz.flirora.caxton.additionalTargets=x86_64-pc-windows-gnu

Comparison with Other Mods

  • BetterFonts / TrueType Font Replacement: Uses Java AWT and bitmaps, supports bold/italic and complex scripts.
  • Smooth Font: Improves rendering and scaling; closed-source (ARR).
  • ThaiFixes: Custom Thai shaping routines; limited to Thai language.
  • Modern UI: Supports complex text and bold/italic but lacks crisp edges and uses AWT.
  • Minecraft 1.13+ built-in TTF: Naive bitmap conversion with incorrect glyph metrics.

Screenshots:

Crafting Recipes:

Recommend that you should install Just Enough Items (for mods using Forge) or Roughly Enough Items (for mods using Fabric) to view the full recipes included in this mod.

Requires:

Minecraft Forge or Fabric API or NeoForge Installer

How to install:

Click the following link to view details: How to Install Mods for Minecraft Java Edition on PC: A Beginner Guide

Caxton Mod (1.21.10, 1.20.1) Download Links

For Minecraft 1.18.2

Forge Version: Download from Server 1 – Download from Server 2

Fabric Version: Download from Server 1 – Download from Server 2

For Minecraft 1.19.2

Forge Version: Download from Server 1 – Download from Server 2

Fabric Version: Download from Server 1 – Download from Server 2

For Minecraft 1.19.3

Fabric Version: Download from Server 1 – Download from Server 2

For Minecraft 1.19.4

Forge Version: Download from Server 1 – Download from Server 2

Fabric Version: Download from Server 1 – Download from Server 2

For Minecraft 1.20.1, 1.20

Forge Version: Download from Server 1 – Download from Server 2

Fabric Version: Download from Server 1 – Download from Server 2

For Minecraft 1.20.2

Forge Version: Download from Server 1 – Download from Server 2

Fabric Version: Download from Server 1 – Download from Server 2

For Minecraft 1.20.4

NeoForge Version: Download from Server 1 – Download from Server 2

Fabric Version: Download from Server 1 – Download from Server 2

For Minecraft 1.20.6

NeoForge Version: Download from Server 1 – Download from Server 2

Fabric Version: Download from Server 1 – Download from Server 2

For Minecraft 1.21.1, 1.21

Fabric Version: Download from Server 1 – Download from Server 2

For Minecraft 1.21.4

NeoForge Version: Download from Server 1 – Download from Server 2

Fabric Version: Download from Server 1 – Download from Server 2

For Minecraft 1.21.5

NeoForge Version: Download from Server 1 – Download from Server 2

Fabric Version: Download from Server 1 – Download from Server 2

For Minecraft 1.21.8, 1.21.7, 1.21.6

NeoForge Version: Download from Server 1 – Download from Server 2

Fabric Version: Download from Server 1 – Download from Server 2

For Minecraft 1.21.10, 1.21.9

NeoForge Version: Download from Server 1 – Download from Server 2

Fabric Version: Download from Server 1 – Download from Server 2

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