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ToolJar

Time & date tools

Free time and date tools that run in your browser: convert Unix timestamps, read cron expressions in plain English with their next runs, compare time zones, and work out durations.

All Time & date tools

Other categories

All categories

Keyboard shortcuts

Global

  • Show this shortcuts dialogShift?
  • Toggle light / dark themeCtrlShiftL
  • Close dialogsEsc

Formatter & Validator

  • Format JSONCtrlEnter
  • Minify JSONCtrlShiftM
  • Copy outputCtrlShiftC
  • Download output as .jsonCtrlShiftS
  • Clear input and outputCtrlShiftX

Tree Viewer

  • Focus the search box/
  • Expand all nodesCtrlShiftE
  • Collapse all nodesCtrlShiftR

Diff

  • Swap document A and BCtrlShiftS

Time & date tools

  • Use the current time (Epoch Converter)CtrlEnter
  • Copy the main resultCtrlShiftC
  • Clear the inputCtrlShiftX

JSON tools

JSON FormatterPretty-print or minify
JSON ValidatorCheck strict JSON validity
JSON Tree ViewerBrowse JSON as a tree
JSON DiffCompare two documents
JSON Path FinderExplore JSONPath expressions
JSON → CSVFlatten JSON into rows
CSV → JSONTurn rows back into objects

JWT tools

JWT DecoderRead header, payload, claims
JWT VerifierCheck an HMAC signature
JWT Expiry Checkeriat, nbf and exp in local time
JWT GeneratorBuild a signed test token
Base64URL EncoderEncode or decode a segment

Time & date tools

Epoch ConverterTimestamps to real dates
Cron Expression ExplainerCron in plain English
Time Zone ConverterOne moment, many cities
Duration CalculatorDate maths and durations

Code formatters

SQL FormatterBeautify or minify SQL
HTML FormatterBeautify or minify HTML
CSS FormatterBeautify or minify CSS
JavaScript FormatterBeautify or minify JS
Markdown to HTMLConvert with a live preview

Pages

JSON toolsFormat, validate, compare and convert JSON.
JWT toolsDecode, verify and generate JSON Web Tokens.
Time & date toolsConvert timestamps, read cron, compare zones.
Code formattersBeautify and minify SQL, HTML, CSS and JavaScript.
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Theme

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