Glyph

The Glyph mod is a Minecraft custom font generator that changes fonts using a resource pack.
Convert TTF to Minecraft resource pack automatically.

Minecraft custom font generator that converts TTF to resource pack automatically.

Easily create a Minecraft custom font without manually editing font JSON files.

!This shows how a custom font appears when applied via a Glyph-generated resource pack in a Minecraft screenshot.

Glyph automatically generates a resource pack that changes fonts in Minecraft, and when you select your desired font, it automatically modifies default.json. Use the latest version immediately by using the resource pack.

You can import a ttf file.

How to use Glyph mod:

If you have uploaded a ttf font, go to Settings, then Resource Packs,
and apply the glyph_fonts resource pack.

Why use Glyph?

Supports TTF to Minecraft resource pack conversion for custom fonts.
No manual resource pack creation or JSON editing required for Minecraft custom fonts.
Glyph can use a resource pack to import fonts from older versions into the latest version.
As mentioned earlier, This mod is lightweight because it simply creates a resource pack to add fonts and changes fonts by modifying default.json, so unless there is a mod that overhauls font rendering, the chance of conflicts with other mods is low.