Categories
Time tools
Unix timestamps, cron parser, and timezone conversion.
7 tools
- Unix Timestamp Converter
Convert between Unix timestamps (seconds/milliseconds) and ISO 8601 / UTC / locale time. Auto-detects input.
- Cron Expression Parser
Translate a cron expression into human-readable text and preview the next 5 run times. Locale-aware.
- Cron Expression Builder
Build a cron expression visually — pick minute / hour / day / month / weekday from presets or free input. Preview human-readable text and next 5 run times.
- Time Zone Converter
Convert datetime between IANA time zones using the browser's Intl API.
- Date Formatter
Format a date with patterns (YYYY-MM-DD HH:mm:ss). Live preview of common formats.
- Date Calculator
Four modes — duration between two dates, date ± N days, days → Y/M/D breakdown, and a persistent D-day list.
- Pomodoro Timer
Full-screen Pomodoro timer that alternates focus and break sessions. Custom durations, color, sound, and fullscreen for desk use.