Unix Timestamp Converter

Two-way conversion with major timezones

🔒 All data is processed in your browser. Nothing is uploaded to any server.
Current Timestamp
Timestamp → Date
Date → Timestamp
秒 (Seconds):
Milliseconds:

Quick guide

What can Unix Timestamp Converter help you do?

Free Unix timestamp converter. Supports seconds, milliseconds, and global timezones (Taipei, New York, London, Tokyo).

Best for

Unix Timestamp Converter helps with quick debugging, API data cleanup, format checks, and small code or config tasks without opening an IDE or installing a package.

How to use it

For Unix Timestamp Converter, paste the text, code, or configuration into the input area, choose the mode you need, and run it. For large data, test a small sample first.

How to read the result

After using Unix Timestamp Converter, the output is kept copy-friendly for docs, code, and config files. When validation is available, fix the reported error location before trusting the final output.

Privacy and limits

When using Unix Timestamp Converter, most processing happens in the browser. Do not paste passwords, private keys, tokens, or unmasked production data into any online tool.

For Unix Timestamp Converter: Developer tools are for quick inspection and conversion. They do not replace tests, linting, security review, or version control.

Frequently Asked Questions

What is a Unix timestamp?

Seconds (or milliseconds) since 1970-01-01 00:00 UTC.

Seconds vs milliseconds?

10 digits = seconds, 13 digits = ms. Auto-detected.