Convert between timestamp formats

Convert Unix timestamps, ISO 8601, and more

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Monday, December 29, 2025
12:48:10 PM
in 0 seconds
Unix (seconds)

1767012490

Unix (milliseconds)

1767012490932

ISO 8601

2025-12-29T12:48:10.932Z

UTC String

Mon, 29 Dec 2025 12:48:10 GMT

Local String

12/29/2025, 12:48:10 PM

Relative

in 0 seconds

How to Convert Unix Timestamps

Convert between Unix timestamps and human-readable dates instantly. Essential for developers working with APIs, databases, and log files.

1

Enter a Timestamp or Date

Input a Unix timestamp (seconds or milliseconds) or pick a date using the date picker.

2

View Conversions

See the equivalent value in all formats: Unix seconds, milliseconds, ISO 8601, and local time.

3

Copy What You Need

Click any format to copy. Use live mode to see the current timestamp updating in real-time.

Why Use DevSensei?

What makes DevSensei different from other tools

Bidirectional Conversion

Convert timestamp to date or date to timestamp. Works both ways instantly.

Live Mode

Watch the current Unix timestamp update in real-time. Perfect for debugging time-sensitive code.

Multiple Formats

Get Unix seconds, milliseconds, ISO 8601, and localized date strings all at once.

Frequently Asked Questions

Common questions about this tool

Unix timestamps in seconds have 10 digits (e.g., 1703808000), while milliseconds have 13 digits (e.g., 1703808000000). JavaScript uses milliseconds, while many servers use seconds.

Unix timestamps represent a single moment in time (UTC). The displayed date/time varies by timezone. DevSensei shows both UTC and your local timezone for clarity.