SO SimonOS
Time & Date Live tool

Timestamp Converter

Convert Unix timestamps, ISO strings, and readable dates without guessing which format you are looking at.

Tool Flow

01 Input 02 Process 03 Output

Tool Guide

About the Timestamp Converter

Use the Timestamp Converter when a log, API payload, database row, or bug report gives you a Unix timestamp and you need a readable date fast. It recognizes seconds, milliseconds, ISO strings, and normal date text so you can compare UTC time with your local browser time without opening a heavyweight dashboard.

Common uses

  • Decode Unix seconds or Unix milliseconds from application logs.
  • Check ISO 8601 strings before copying them into an API request.
  • Compare UTC output with your local timezone during debugging.
  • Spot invalid date input before it reaches scripts, cron jobs, or test fixtures.

Browser workflow

  1. 01 Paste a timestamp, ISO date, or readable date into the input.
  2. 02 Review the detected format, UTC output, local output, and relative details.
  3. 03 Copy the representation you need for logs, documentation, or a test case.