Free Online Unix Timestamp Converter — Epoch to Date & Date to Epoch
Overview: Live Epoch Clock & Two-Way Date Converter
Convert Unix epoch timestamps to ISO 8601, UTC, and local human dates. Convert calendar dates to epoch timestamps with live clock. All computations and data processing are executed 100% locally on your device using client-side WebAssembly, HTML5 Canvas, and modern Web APIs without uploading files to any external server.
Supported Formats
Unix Timestamp & Date Converter supports the following file formats:
- Epoch — client-side processing support.
- ISO 8601 — client-side processing support.
- UTC — client-side processing support.
How to Use Unix Timestamp & Date Converter in Browser
- Inspect Live Epoch: View the live ticking Unix epoch clock at the top of the page.
- Convert Timestamp: Type any epoch timestamp to see its UTC, ISO 8601, and local representation.
Key Features & Privacy Protections
- 100% Client-Side Privacy: Zero cloud upload. Your documents, photos, and files never leave your local browser sandbox.
- Zero Installation: Runs instantly in Chrome, Safari, Firefox, Edge, Android, and iOS browsers.
- Free Forever: No sign-up, no subscriptions, no ads, and no file size limits.
Frequently Asked Questions (FAQ)
Does it support both 10-digit (seconds) and 13-digit (milliseconds) timestamps?
Yes, it automatically detects whether you pasted seconds or milliseconds.