Tools
Small, self-contained tools that run entirely in your browser. Nothing is sent anywhere.
A live view of your screen’s resolution, DPR, viewport, refresh rate and other details, exactly as the browser reads them.
Calibrate a virtual ruler against a real one and find the true DPI, physical size and diagonal of your screen.
See how much physical space (cm, points, ch) your text takes in various fonts, on graph paper.