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Calculations, converters, media tools, and more — free and browser-based.
Toolkit exists to make everyday tasks frictionless. Whether you need a quick calculation, a unit conversion, a text diff, a file viewer, or a device diagnostic — no accounts, no downloads, no paywalls. Just open your browser and get going.
We provide a growing collection of practical utilities: math and finance calculators, unit and format converters, date and time tools, text editors and diff checkers, media viewers and editors (PDF, images, audio, video, camera, recorder, painter), developer tools (API testing, JSON/XML formatting, encoding, hashing), and device utilities (network stats, IP lookup, system info, compass, keyboard/mouse/screen checks). Every tool runs in your browser — your data never leaves your device.