Calculators and handy utilities.
Test your webcam with a live preview, resolution and FPS — 100% in your browser, nothing uploaded.
Test your microphone with a live level meter, then record a clip and play it back — in your browser.
Turn your webcam into a mirror with zoom, brightness and fullscreen — 100% in your browser.
A clean, auto-saving notepad in your browser — no account, works offline.
Work out percentages, ratios and percentage change instantly — in your browser.
Generate random numbers in any range — unique picks, dice, coins — 100% in your browser.
A full scientific calculator with trig, logs, powers, roots and factorials — in your browser.
Record your screen, a window or a tab — with optional mic — no install, 100% in your browser.
A simple checklist that auto-saves in your browser — no account, works offline.
Test your typing speed and accuracy. Get your words-per-minute (WPM) in 15, 30 or 60 seconds — entirely in your browser.
Convert length, weight, temperature, volume, speed, area, time and data — 100% in your browser.
Record audio from your microphone with a live level meter, then play back and download — in your browser.
← All tools