Font Subsetter & Converter

Subset, convert, and QA TTF, OTF, WOFF, and WOFF2 fonts in the browser.

About this tool

Shrink and convert web fonts without the toolchain. Subset TTF, OTF, WOFF, and WOFF2 fonts to just the glyphs you need, instance variable fonts, check glyph coverage, and export optimized WOFF2 — all client-side for faster, lighter web typography.

What it does

  • Subset fonts to only the glyphs you use
  • Convert between TTF, OTF, WOFF, and WOFF2
  • Variable-font instancing
  • Glyph coverage QA
  • Optimized WOFF2 output in the browser

Repository

chayprabs/subset-font-online

Source code, issues, and releases

Spotted a bug or have an idea?

This tool is built in the open and shaped by feedback. If something feels off — or you want a feature — I read every message.