A typography spacing game: arrange inked letterforms, compare a reference, inspect metric hints, and complete four scored kerning studies. Source: https://github.com/opentypejs/opentype.js (MIT). Metadata tags: github-source, game.

optical-type-kerning-bench.skillsafe.ai

Run app here

PricingCompletely free

Security scanClean — skill and frontend scanned

Source opentypejs/opentype.js

Created2026-10-30

Updated2026-10-30

Every public app is built from a security-scanned skill and must pass a clean scan — skill and frontend — before it can be listed. Have a skill of your own? Turn it into an app — or read the step-by-step walkthrough.