Unix Epoch Timestamp Range & Series Generator
Generate sequential epoch timestamps with custom step intervals for database testing & seeders.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. No data is ever transmitted across the network.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
How to Use Unix Epoch Timestamp Range & Series Generator
Choose your start and end date/time.
Select intervals in hours, days, weeks, or months.
Copy as seconds, milliseconds, ISO strings, or a JSON array.
Frequently Asked Questions
What formats are supported?
10-digit Unix seconds, 13-digit milliseconds, ISO-8601 strings, and structured JSON arrays.
Is there a limit on generated items?
To preserve browser performance, sequences generate up to 1,000 items per batch.
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