Unix Timestamp Converter
Convert Unix Epoch timestamps to readable dates and convert dates back to Unix time. Fast, accurate, and privacy-friendly.
Timestamp to Date
Auto mode uses seconds for up to 10 digits and milliseconds for 13+ digits.
Date to Timestamp
About Unix Time
Unix time (Epoch time) is a numeric representation of a point in time based on UTC. It is widely used because it is compact, timezone-neutral, and easy to compare in software systems.
Common Use Cases
- Debugging API responses and webhook payloads
- Reading application logs and event timelines
- Converting database timestamps for reports
- Handling timezone-safe date storage in apps
Privacy
All conversions are processed directly in your browser. No data is sent to a server, so your timestamps and dates stay private.
Frequently Asked Questions
Common questions about Unix timestamps and date conversion
What is a Unix timestamp?
A Unix timestamp (also called Epoch time) is the number of seconds that have passed since January 1, 1970 at 00:00:00 UTC. It is commonly used in APIs, databases, and logs.
What is the difference between seconds and milliseconds?
Some systems store Unix timestamps in seconds (10 digits), while others use milliseconds (13 digits). This converter supports both and can auto-detect common formats.
Why do local time and UTC look different?
UTC is a global standard timezone, while local time depends on your device timezone and daylight saving rules. Both represent the exact same moment, just in different timezone formats.
How does auto-detection work?
Auto mode treats values with up to 10 digits as seconds and values with 13 or more digits as milliseconds. For 11-12 digit values, choose the unit manually because those can be ambiguous.
Is my data private?
Yes. All conversions happen directly in your browser. No timestamp or date data is uploaded, stored, or shared with any server.