Skip to content
Aadi Maanav

Unix Timestamp Converter

Convert Unix timestamps to human dates and back, with a live current epoch clock.

100% Free
All tools are free to use
Instant Process
Get results in seconds
Browser-Based
Files never leave your device
Privacy First
No uploads, 100% safe

About Unix Timestamp Converter

Convert Unix epoch timestamps to readable local, UTC and ISO dates, and turn any date back into a timestamp. Automatically detects seconds vs milliseconds, and shows a live ticking current-epoch clock. Runs locally in your browser.

How to use

  1. 1

    Copy the live current Unix time from the top card if you need it.

  2. 2

    Paste a timestamp to see the local, UTC and ISO date.

  3. 3

    Or pick a date and time to get the Unix seconds and milliseconds.

  4. 4

    Copy any value with one click.

Tip: All processing is performed locally in your browser with zero loss in quality and no upload limits.

Frequently Asked Questions

Yes. The converter auto-detects whether your number is in seconds or milliseconds based on its magnitude.

All processing happens locally in your browser. Your files are never uploaded anywhere.

More Developer Tools You Might Like

Base64 Encode / Decode

Encode text to Base64 or decode Base64 back to text, instantly and privately.

Color Converter

Convert colors between HEX, RGB and HSL with a live preview and channel sliders.

Hash Generator

Generate MD5, SHA-1, SHA-256 and SHA-512 hashes from any text, instantly.

HTML / CSS / JS Minifier

Minify HTML, CSS or JavaScript by stripping comments and whitespace, with size savings shown.

JSON Formatter

Format, validate and minify JSON instantly — paste in, get clean output, copy with one click.

Browse all 150+ free tools