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Browser Tests & Diagnostics

Test typing speed, reaction time, keyboard input, and screen metrics with privacy-friendly browser diagnostics and repeatable benchmark tools.

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4 tools

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Measure reaction speed with a mobile-first pad, trustworthy median scoring, integrity checks, local history, and cleaner post-session coaching.

Open tool

Measure real typing speed with net WPM, accuracy, custom text, weakness drills, and local history in a mobile-friendly benchmark workflow.

Open tool

See your screen resolution, viewport, DPR, zoom, and responsive breakpoints instantly in a browser-based tool built for QA, design, and debugging.

Open tool

Check every key press, find ghosting or rollover problems, and test laptop or external keyboards before you troubleshoot or replace them.