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LAB / 02 · Live tool

Font Tester

Compare typefaces with real content, fine-tune size and spacing, and test readability.

Open tool
Font Tester interface
02 / UTILITIES

01 / CONTEXT

The problem

Type choices are often made from specimen sheets that do not resemble the interface where the font will live. This tool puts typography back into realistic content and layout conditions.

02 / CAPABILITIES

What it does

  1. 01

    Compare multiple typefaces against the same text.

  2. 02

    Adjust size, line height, spacing, text and colors.

  3. 03

    Share a configured view through URL parameters.

03 / SYSTEM

Privacy & architecture

A lightweight browser-based typography utility with shareable state.

Built with

  • Web fonts
  • CSS
  • JavaScript

04 / HONEST NOTES

Known limits

  • Readability still needs testing with real users and devices.
  • A browser preview cannot reproduce every rendering difference between platforms.