Unix Timestamp Converter
Convert timestamps to dates and back
Source Input
Processed Output
What is the Unix Timestamp Converter?
Unix timestamps count seconds since January 1, 1970 (epoch). This converter auto-detects seconds vs milliseconds, shows the date in UTC and your local timezone, and handles the reverse conversion when you paste a date string.
Frequently Asked Questions (FAQ)
Q: How do I know if my timestamp is in seconds or milliseconds?
Seconds timestamps are 10 digits (until year 2286); milliseconds are 13 digits. The converter auto-detects both.
How to Use the Unix Timestamp Converter
- 1Paste your input into the editor above — or start from the preloaded example.
- 2Adjust any options, then click Run to process instantly in your browser.
- 3Review the output panel, then copy, download, or save it as a reusable snippet.