Software Tools
A small set of utility pages and experiments.
Color Screen
Pick a solid color using presets, HEX, RGB, or the color wheel, then fill the whole screen.
Input Tester
Test keyboard keys, modifiers, mouse buttons, pointer movement, and wheel input in one live panel.
Focus Tester
Inspect page focus and visibility events with live counters, reason tracking, and rAF timing stats.
Screen Recorder
Capture your screen with native browser APIs, record clips, then preview and download the output.
Webcam Tester
Check camera devices, preview stream output, and verify resolution/FPS diagnostics.
Microphone Tester
Select a mic, monitor live waveform input, record clips, and generate downloadable waveform images from recorded or uploaded audio.