Free Unix Timestamp Converter - Convert Unix Time to Date Online

Convert Unix timestamp to human-readable date and vice versa. Free online timestamp converter with multiple date formats. Fast, accurate, and easy to use.

Unix → Human Readable

Human Readable → Unix

What is a Unix Timestamp Converter?

A Unix Timestamp Converter is a vital developer utility that transforms Unix epoch time (the number of seconds since January 1, 1970) into human-readable dates, and vice versa. It simplifies the process of debugging database entries, API responses, and server logs.

Epoch TimeDate FormattingTimezones

Why Use Epoch Time?

  • ✓
    Timezone IndependentA single integer represents the exact same moment globally.
  • ✓
    Easy SortingIntegers sort instantly in databases compared to date strings.
  • ✓
    StandardizedSupported natively by Linux, macOS, and almost all programming languages.
  • ✓
    Storage EfficientRequires significantly less memory to store than ISO strings.

How to Use

Convert time formats instantly in three steps

01
⚙️

Choose Direction

Decide if you want to convert from Unix to Human-Readable, or from Human-Readable to Unix.

02
⌨️

Enter Time

Paste your integer timestamp, or use the date picker to select a specific calendar date and time.

03
✅

Copy Results

View the converted time in multiple formats (UTC, ISO, Local) and copy the result.

Common Use Cases

🗄️

Database Debugging

Translate raw SQL or MongoDB timestamp integers into readable dates.

🌐

API Development

Generate exact epoch times required for secure API authentication signatures.

📝

Log Analysis

Match server error logs with specific local times to trace application crashes.

🔐

Token Expiration

Verify when JWTs or session tokens are set to expire.

Time Best Practices

Store in UTC

Always store timestamps in UTC on your server. Convert to local time only on the frontend.

Seconds vs Milliseconds

Unix uses seconds. JavaScript uses milliseconds. Don't mix them up!

Use Standard Libraries

Never write your own calendar logic. Use built-in Date objects or trusted libraries.

The Year 2038 Problem

Be aware that 32-bit systems will run out of space for Unix time in 2038.

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Frequently Asked Questions

Learn more about epoch time and date conversions.

A Unix timestamp is the number of seconds that have elapsed since January 1, 1970 (Unix epoch). It's a universal way to represent time across different systems.
Unix timestamps are timezone-independent, easy to store and compare, and universally understood by programming languages and databases.
Enter your Unix timestamp in the converter above and click convert. You'll get multiple date formats including ISO, UTC, and local time.
Unix timestamps are typically in seconds. JavaScript uses milliseconds (multiply by 1000). Our tool handles both automatically.