Everyday debugging

Dates, identifiers and text patterns: what shows up in every log or bug.

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  1. Epoch / DatesConvert Unix timestamps to readable dates (and back) in any time zone.
  2. CronExplain a cron expression in plain language and compute its next runs.
  3. UUID / ULID / KSUIDGenerate UUID v4 and v7, ULID, KSUID and NanoID, and inspect the version and date of a UUID.
  4. Number BaseConvert numbers between binary, octal, decimal and hexadecimal, with BigInt support, bits and endianness.
  5. User-Agent ParserBreak a User-Agent string into browser, engine, operating system and device, and detect bots.
  6. RegexTest regular expressions with highlighting, capture groups and protection against patterns that hang.