Skip to main content
Bethemesh
Dates & time

Timestamp converter

Instantly convert a Unix timestamp into a readable date and time, or perform the reverse conversion directly in your browser.

Embed this widget

Customize the result, check the live preview, then copy the code.

Preview

Embed code type

Code to copy

Responsive and automatically resized by Bethemesh.

  • 100% local
  • Instant
  • Free
  • No account
  • Works offline
  • Clipboard

Why use this tool?

Convert a readable date to a Unix timestamp, or turn a timestamp into local and UTC dates.

100% local and secure

Your data stays on your device and is never sent to our servers.

Smart processing

Generate, convert, or validate technical data with purpose-built controls.

Supported formats

Technical formats and syntaxes suited to each generator, converter, or validator.

Save time

Get a clean, ready-to-use result in seconds without installing software or configuring a complex workflow.

Guide

How to use this tool

  1. 1

    Choose the direction

    Specify whether you start from a date or timestamp.

  2. 2

    Enter the value

    Add the date or number to convert.

  3. 3

    Review formats

    Compare seconds, milliseconds, local time and UTC.

Tips and best practices

  • Work on a copy when your data is important.
  • Review the result before reusing it in another application.
  • Processing takes place directly in your browser.

Frequently asked questions

What is the difference between seconds and milliseconds?

A millisecond timestamp usually has three more digits than a Unix timestamp in seconds.

Is my data uploaded?

No. Processing happens locally in your browser.

Can I use this tool for free?

Yes. The tool is free and requires no account.

Was this tool useful?

Recommended workflow

Continue your processing

Discover tools that naturally fit before, after, or alongside this one.

Complementary tools

Dates & time

Date Format Converter

Convert dates between ISO, day-first and month-first formats.

100% localNew
Use this tool
Dates & time

Relative Time Calculator

Express a difference as “3 days ago” or “in 2 hours”.

100% localNew
Use this tool
Dates & time

Age calculator

Calculate an exact age from a date of birth and a reference date.

100% local
Use this tool