💻 Developer tools
Format, convert, decode and test the small things developers do every day: JSON, YAML, Base64, JWT, regular expressions, URLs, hashes and more. Your tokens and data are never sent to a server, which matters when you paste real configuration or logs.
JSON formatterFormat, minify, sort and validate JSON in your browser without
sending your data anywhere.Base64 encode and decodeConvert text to Base64 and back.Hash generatorCreate a SHA-1, SHA-256, SHA-384 or SHA-512 hash of any text with
your browser’s built-in cryptography.UUID generatorCreate random version 4 UUIDs for databases, tests and
APIs.URL encode and decodeEncode text for safe use in a URL, or decode percent-encoded text
back to readable form.Color converterConvert a color between HEX, RGB and HSL and see a
preview.Unix timestamp converterTurn a Unix timestamp into a readable date, or a date into a
timestamp.JWT decoderPaste a JSON Web Token to read its header and payload without
sending it to any server.Number base converterConvert a number between decimal, binary, octal and
hexadecimal.JSON to YAMLConvert JSON into clean, readable YAML without sending your data
anywhere.Regex testerTest a regular expression against your text and see every match
and capture group.Markdown to HTMLConvert Markdown to HTML you can paste into a page or
email.Markdown previewerSee how your Markdown will look as you type, in a safe
sandbox.URL parserBreak any URL into protocol, host, path, query parameters and
fragment.HTTP status code lookupLook up what an HTTP status code means by number, class such as
5xx, or keyword.CSS minifierRemove comments and extra whitespace from CSS to make the file
smaller.JSON validatorCheck whether your JSON is valid and see where an error
is.SHA-256 generatorCreate the SHA-256 hash of any text in your browser.