developer Tool
Unix Timestamp Converter
Convert Unix epoch timestamps (seconds & milliseconds) to human dates (UTC & Local) and vice versa.
Unix Seconds
1788543979
Unix Milliseconds
1788543979000
UTC Time
Fri, 04 Sep 2026 17:46:19 GMT
ISO 8601 String
2026-09-04T17:46:19.000Z
Zero-Leakage Local Processing
All text formatting, JSON/JWT parsing, cryptographic hashing, and image compression execute entirely inside your browser. No private data is ever sent to Burnjet servers.
How It Works
Converts timestamp integers to ISO strings, UTC dates, and relative time offsets.
Frequently Asked Questions
Common questions about calculations, assumptions, and edge cases.
Yes, Unix Timestamp Converter is 100% free with unlimited calculations and zero paywalls or subscriptions.