27 available

Tools

Small, focused tools for specific problems. No accounts, tracking, or ads.

  1. 001Police alphabetTurn text into the British or American police spelling alphabet.
  2. 002Base64 stringEncode text as Base64 or decode Base64 back into text.
  3. 003JWT decoderDecode and inspect JSON Web Tokens with the debugger at jwt.io. (opens in a new tab)
  4. 004Colour converterPaste a CSS colour and copy it in every useful CSS colour format.
  5. 005JSON formatterFormat, minify, validate, and sort JSON in your browser.
  6. 006URL inspectorInspect, edit, and reconstruct URLs without leaving your browser.
  7. 007Timestamp converterConvert Unix timestamps and human-readable dates between useful formats.
  8. 008String case converterConvert text between the case styles used in code and data.
  9. 009Cron explainerUnderstand cron expressions and see when they will run next. (opens in a new tab)
  10. 010Webhook testingCapture and inspect incoming webhooks with webhook.site. (opens in a new tab)
  11. 011KeycodePress a key to inspect its browser keyboard event properties.
  12. 012Line sorterSort lists alphabetically, in reverse, or with numbers in natural order.
  13. 013Regex testerBuild and test regular expressions with Regex101. (opens in a new tab)
  14. 014SVGOMGOptimize SVG files in your browser with SVGOMG. (opens in a new tab)
  15. 015Scratch padKeep a quick note in this browser and come back to it later.
  16. 016Distance converterConvert metric and imperial distances between millimetres, miles, and everything in between.
  17. 017Speed converterConvert speeds between kilometres per hour, miles per hour, metres per second, and knots.
  18. 018Temperature converterConvert temperatures between Celsius, Fahrenheit, and Kelvin.
  19. 019Weight converterConvert metric and imperial weights between milligrams, tonnes, ounces, pounds, and stone.
  20. 020URL encoderPercent-encode text for URLs and decode it back, for a single value or a whole URL.
  21. 021HTML entity encoderEscape reserved characters as HTML entities and decode entities back to text.
  22. 022Base converterConvert integers between binary, octal, decimal, and hexadecimal with exact precision.
  23. 023Data size converterConvert data sizes between bits, bytes, and decimal or binary multiples.
  24. 024CSS unit converterConvert CSS lengths between px, rem, em, points, and physical units.
  25. 025Mortgage amortisationChart how a repayment mortgage's balance and interest change over its term.
  26. 026BMI calculatorWork out Body Mass Index from your weight and height, and what it leaves out.
  27. 027QR code generatorTurn any URL into a custom QR code and download it as a PNG.