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Timestamp Converter
Convert a Unix timestamp to a human date in your local zone and in UTC, or turn a date back into an epoch value. Reads seconds, milliseconds, and microseconds without being told which, shows the relative distance from now, and keeps a live clock so you always have the current epoch to hand.
Current Unix time
1788037644
1788037644 s · 1788037644376 ms · 2026-08-29 21:07:24 UTC
Method & assumptions
- The unit is inferred from magnitude: roughly ten digits reads as seconds, thirteen as milliseconds, sixteen as microseconds — the three that logs and databases actually emit.
- Local time uses your browser's timezone; UTC and ISO 8601 are absolute. The reverse field treats the value you type as local wall-clock time.
- The live clock ticks once a second from your own machine — it is not synced to an atomic source, so treat the last digit loosely.
- Everything runs in your browser. Nothing you enter is sent anywhere.
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Software engineering
We write the software
behind tools like these
Anyone reading an epoch value out of a log, a database row, or a JWT and needing the real date.
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