Chrome/WebKit Timestamp Converter [2025]

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Convert between Chrome/WebKit timestamps, human-readable dates, and Unix time. Essential for browser debugging and web development.

✓ Browser Timestamps✓ Bi-directional Conversion✓ Unix Time Support

Understanding Chrome/WebKit Timestamps

Format Specifications

  • Time Format

    Microseconds since January 1, 1601 UTC

  • Precision

    17-digit integer representing microseconds

  • Browser Support

    Used in Chrome, Safari, and other WebKit/Chromium browsers

Common Applications

  • Cookie Analysis

    Examining cookie expiration times

  • Browser Debugging

    Analyzing browser storage timestamps

  • Web Development

    Testing and debugging time-based features

Frequently Asked Questions

Why do browsers use this timestamp format?

Chrome and WebKit-based browsers use microseconds since January 1, 1601 UTC to maintain compatibility with Windows FILETIME format and to provide high-precision timing for browser operations.

How do I find Chrome timestamps?

Chrome timestamps can be found in browser cookies, local storage, and browser debugging tools. They're commonly used for expiration times and last-modified dates.

What's the difference from Unix time?

Unix time counts seconds since January 1, 1970, while Chrome/WebKit timestamps count microseconds since January 1, 1601. This tool converts between both formats for easy comparison.

Are timestamps timezone-aware?

Chrome/WebKit timestamps are always in UTC (Coordinated Universal Time). Our converter handles the conversion to your local timezone for human-readable dates.

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