Unix Timestamp Converter

Convert Unix epoch timestamps to human-readable dates and convert dates to timestamps.

100% Free · No Sign-up · Runs in Your Browser

Pick any date to convert directly into a Unix timestamp.

About the Unix Timestamp Converter

Unix timestamp (also known as Epoch time or POSIX time) measures time as the total number of seconds elapsed since midnight UTC on January 1, 1970. While ideal for computer systems and databases, raw timestamps (e.g. 1714567890) are unreadable to humans. This Unix Timestamp Converter provides two-way conversion between timestamps and readable dates.

This tool is indispensable for backend developers debugging database timestamps, DevOps engineers inspecting server logs, and API developers verifying expiration tokens. It supports both 10-digit second timestamps and 13-digit millisecond timestamps.

To use it, enter a numeric timestamp and click 'Convert Timestamp', or select a date using the datetime picker to generate its Unix timestamp. The converter displays UTC ISO-8601 strings, local timezone formatting, relative time ('5 minutes ago'), and millisecond precision.

For example, timestamp '1714567890' converts to 'Wed, 01 May 2024 12:51:30 GMT', allowing you to understand event timing at a glance.

A frequent timestamp mistake is mixing up seconds and milliseconds. Timestamps in seconds have 10 digits, while timestamps in milliseconds have 13 digits. This tool automatically detects both formats.

Tip: Click the 'Now' button to instantly populate the converter with the current live epoch timestamp.

Frequently Asked Questions

Q.What is the difference between Unix timestamp in seconds vs milliseconds?

Unix timestamps in seconds (10 digits) are standard in UNIX/Linux systems and databases. Millisecond timestamps (13 digits) are standard in JavaScript (Date.now()).

Q.Does the converter handle timezone offsets?

Yes, it outputs both the standard UTC date and your local device timezone date.

Q.Is my timestamp data private?

Yes, all conversions run locally using your browser's JavaScript Date engine.

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