Timestamp Converter
Instant online timestamp converter. Process files and calculations entirely in your browser with zero server uploads. Fast, free, and completely private.
How to Use Timestamp Converter in 3 Easy Steps
Enter Epoch or Date
Paste a Unix Epoch timestamp (seconds or milliseconds), pick a calendar date, or click 'Now'.
Real-Time Conversion
The tool immediately detects timestamp resolution and formats GMT/UTC, local time, RFC, and ISO 8601.
One-Click Copy
Copy any formatted date string or timestamp directly to your clipboard for instant code and database use.
Frequently Asked Questions
What is a Unix epoch timestamp? ▼
A Unix epoch timestamp is the number of seconds (or milliseconds) that have elapsed since Thursday, January 1, 1970 00:00:00 UTC, excluding leap seconds.
Does this converter support both seconds and milliseconds? ▼
Yes! The tool automatically detects whether your input is in 10-digit seconds (standard Unix) or 13-digit milliseconds (JavaScript / Java timestamp).
Can I convert ISO 8601 or custom date strings back to epoch timestamps? ▼
Yes, you can pick any date and time using the interactive calendar picker or paste date strings to compute their exact epoch values.
Is any of my timestamp data sent to a server? ▼
Never. All parsing and time calculations occur directly in your browser's local JavaScript engine.
Enjoying this free tool?
We keep this tool 100% free and ad-light. Support server costs with a coffee.
Related Online Utilities
Explore companion developer utilities, Discord tools, and data formatters.
Generate dynamic markdown timestamps <t:timestamp:R> with live Discord chat preview.
Validate, prettify, and minify JSON data directly in your browser with instant error detection.
Convert JSON to CSV, TypeScript interfaces, and SQL DDL with zero server uploads.
Unix Epoch Time & Timestamp Localization Guide
Understand 32-bit vs 64-bit Unix timestamps, Year 2038 overflow, leap seconds, and ISO-8601 UTC serialization.