Unix Timestamp Generator
Get current Unix timestamp in seconds and milliseconds with live clock.
Unix Timestamp Converter & Generator
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About Unix Timestamp Generator
The Unix Timestamp Generator generates current and future epoch timestamps in seconds, milliseconds, microseconds, and nanoseconds with customizable relative offsets (+1 hour, +7 days, +30 days) for JWT expiration claims and cache TTLs.
How to Use Unix Timestamp Generator
Step 1
Select your desired time offset or choose "Current Timestamp".
Step 2
Choose output format: Seconds (10-digit) or Milliseconds (13-digit).
Step 3
Copy the generated epoch timestamp for your code or configuration.
Practical Use Cases for Unix Timestamp Generator
JWT Expiration & Token Generation
Generate future epoch timestamps (e.g. now + 24 hours) for JSON Web Token `exp` and `nbf` claims.
Cache Invalidation & Redis TTL Modeling
Compute exact expiration timestamps for CDN cache headers, cookie Max-Age settings, and database sessions.
Input & Output Examples
Generating Timestamp for 7 Days in Future
Offset: +7 Days
Timestamp: Current Epoch + 604,800 seconds (Formatted UTC date included)
Key Features & Performance
- ✓Generates timestamps in Seconds, Milliseconds, Microseconds, and Nanoseconds.
- ✓Quick offset presets: +15 Min, +1 Hour, +24 Hours, +7 Days, +30 Days, +1 Year.
- ✓Real-time live ticking clock indicator.
- ✓100% Client-Side generation.
- ✓1-Click Copy timestamp string.
Key Terminology & Definitions
JWT exp Claim
A registered JSON Web Token claim that identifies the expiration time on or after which the JWT must not be accepted for processing.
Time To Live (TTL)
A mechanism that limits the lifespan or lifetime of data in a computer or network, commonly specified in seconds.