DevToolbox

Sitemap

Every page on DevToolbox. Looking for the machine-readable version? It's at /sitemap.xml.

Main pages

Formatters

  • JSON FormatterPretty-print, minify, sort and validate JSON with clear, line-numbered error messages.
  • XML FormatterIndent, minify and check XML documents — including SOAP, RSS, SVG and config files.

Diff & Compare

  • JSON DiffA git-style unified diff of two JSON documents, pretty-printed and optionally key-sorted first.
  • XML DiffA git-style unified diff of two XML documents after both are re-indented consistently.

Converters

  • Epoch ConverterConvert between Unix time (seconds or milliseconds) and human dates in any time zone.

Encoders & Decoders

  • Base64 Encode / DecodeEncode text to Base64 and decode it back, with full Unicode and URL-safe support.
  • URL Encode / DecodePercent-encode and decode URLs, query strings and individual components.
  • JWT DecoderDecode a JWT's header and payload and check expiry — without sending it anywhere.

Generators

  • UUID GeneratorGenerate cryptographically-random UUIDv4 or sortable UUIDv7 identifiers in bulk.
  • Hash GeneratorCompute cryptographic hashes of text in MD5, SHA-1, SHA-256 and SHA-512.

Web & Network

  • Network InspectorOpen any site through a proxy and watch the API calls it makes — filter them and copy any request as cURL, right from your phone.
  • curl RunnerPaste a curl command, run it from a server, and see the status, headers and response body — with the JSON pretty-printed.

Database

  • Postgres ConsoleConnect to a PostgreSQL database, browse tables and run SQL from a self-hosted console.
  • MySQL ConsoleConnect to a MySQL database, browse tables and run SQL from a self-hosted console.
  • Kafka ConsoleList Kafka topics and stream messages live from a self-hosted console.
  • MQTT ConsoleSubscribe to MQTT topics and publish messages from a self-hosted console.