Everyday Utilities
Unix Timestamp Converter: Epoch, ISO 8601 and Human Dates
Convert between Unix timestamps, ISO 8601 strings and readable dates in your local timezone or UTC. Seconds, milliseconds and microseconds are detected automatically.
Runs in your browser — your text is never uploaded or stored.
Quick answer
Unix Timestamp Converter is a free online tool that convert between Unix timestamps, ISO 8601 strings and readable dates in your local timezone or UTC. Seconds, milliseconds and microseconds are detected automatically.
- Cost: free, no signup or limits.
- Privacy: runs 100% in your browser; text is never uploaded.
- Works on: desktop and mobile browsers, offline once loaded.
- Category: Everyday Utilities.
Unix (seconds)1767225600
Unix (milliseconds)1767225600000
ISO 86012026-01-01T00:00:00.000Z
UTCThu, 01 Jan 2026 00:00:00 GMT
Local time1/1/2026, 12:00:00 AM
RFC 2822Thu, 01 Jan 2026 00:00:00 +0000
Relative8 months ago
WeekdayThursday
Day of year1
TimezoneUTC
How to Use
- 1.Paste a timestamp, an ISO date, or click Now for the current time.
- 2.Read the converted values — Unix seconds, milliseconds, ISO, UTC, local and relative time.
- 3.Copy whichever format you need.
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FAQ
Does it detect milliseconds automatically?
Yes. 10-digit values are treated as seconds, 13-digit as milliseconds and 16-digit as microseconds.
Which timezone is used?
Your browser's local timezone is shown alongside UTC, so you can compare both at a glance.
What is ISO 8601?
The international date standard, such as 2026-08-19T16:24:00.000Z — always in UTC when it ends with Z.
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