Tools / Numbers & time
Numbers & time
Convert timestamps and units, generate UUIDs, check clocks across time zones, and count days between dates.
Date & time
Unix timestamp
Convert between Unix seconds, milliseconds, and local time.
Open toolIdentifiersUUID generator
Generate version 4 UUIDs for APIs, databases, and tests.
Open toolMathUnit converter
Length, weight, and temperature in common units.
Open toolDate & timeWorld clock
See the current time in several cities at once.
Open toolDate & timeCountdown
Count down to a date and time you pick.
Open toolDate & timeDate difference
How many days, weeks, and hours between two dates.
Open toolDate & timeAge calculator
Age in years, months, and days, plus days until the next birthday.
Open toolOther categories
- Text & data — 8 tools
- Encoding & web — 3 tools
- Security & crypto — 4 tools
- Developer — 8 tools
- Media & design — 7 tools
- Percentages & money — 8 tools
- Everyday — 4 tools
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