Scan QR codes using your camera or by uploading an image. Fully client-side.
Generate QR codes instantly from any text, URL, or contact information. Customize size and download as PNG — no account or API needed.
Generate random numbers within any range. Choose integers or decimals, ensure uniqueness, and generate multiple numbers — ideal for simulations, lotteries, and testing.
Universal unit converter for length, weight, volume, temperature, data, speed, area, and time. Instant bidirectional conversion between metric and imperial units.
A precise stopwatch with lap timing, keyboard shortcuts, and local storage persistence. Track intervals, export data, and keep your timing history across sessions.