Unix Timestamp Converter

Convert Unix timestamps to dates and back — live, two-way, private.

100% private — no uploads Date & Time ToolsFree & unlimited Read tutorial

See how it works

Watch a quick simulation of this tool in action — no file needed.

How to use Unix Timestamp Converter

Follow these steps — everything happens instantly in your browser.

  1. 1

    Step 1. Watch the live current Unix timestamp tick at the top of the tool.

  2. 2

    Step 2. Type a timestamp into the top field — the date, UTC and ISO 8601 update instantly.

  3. 3

    Step 3. Or pick a local date and time in the bottom field to get the matching timestamp.

  4. 4

    Step 4. Use “Use now” to snap both fields to the current moment, or copy any value with one click.

Why use this tool

Private by design

All processing happens locally in your browser. Open DevTools → Network and you'll see zero file uploads. Ever.

Instant

No upload wait, no queue, no server round-trip. Results appear the moment you drop a file.

Free & unlimited

No accounts, no watermarks, no daily caps. Use it as many times as you like, forever.

Works everywhere

Desktop, tablet or phone — every tool is responsive and installable as a PWA for offline use.

Frequently asked questions

Everything you might want to know about unix timestamp converter.

Want to learn more?

Read our complete Unix Timestamp Converter tutorial with tips, use cases, and FAQs.