All Tools

Test your webcam with a live preview, capture photos, and check microphone levels. View camera resolution, FPS, aspect ratio, and lighting.

Test mouse buttons, scroll wheel, click speed (CPS), double-click, and drag. Visual feedback and live counters show if every button works.

Test every key on your keyboard in the browser. Pressed keys glow, tested keys turn green, and a history log catches ghosting and double-typing. Full, TKL, and MacOS layouts.

Count characters, words, sentences, and paragraphs instantly as you type. Check your text against platform limits for Twitter, Instagram, YouTube, and more.

An online calculator with standard and scientific modes. Handles trigonometry, logarithms, powers, percentages, and parentheses, with live results, history, and keyboard support.