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
Useful for quick file work, text cleanup, calculations, content creation, and website or AI checks.
How to use it
Open the tool, enter or upload what it asks for, then copy or download the result directly.
Privacy and limits
Most tools run in your browser with no sign-in. Very large files or older devices may hit browser memory limits.
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.