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Timestamp Converter

Convert Unix epoch timestamps to dates and back. Auto-detects seconds vs milliseconds. Shows local time, UTC, ISO 8601, and relative time.

Unix Timestamp Converter
Convert Unix epoch timestamps to human-readable dates and back. Auto-detects seconds vs milliseconds. Runs in your browser.

Timestamp → Date

Date → Timestamp

Current time: 1784966424 s · 1784966424853 ms

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FAQ(click to expand)
What is a Unix timestamp?
A Unix timestamp is the number of seconds (or milliseconds) since January 1, 1970 UTC (the Unix epoch). Logs, APIs, and databases often use this format.
Seconds or milliseconds?
This tool auto-detects: 10-digit values are treated as seconds, 13-digit as milliseconds. You can also choose the output unit manually.
What time zones are shown?
Local time uses your browser timezone. UTC and ISO 8601 are always included for server-side debugging.
Is this tool free?
Yes. Completely free, runs in your browser, no signup required.