Chrome/WebKit Timestamp Converter [2025]
Convert between Chrome/WebKit timestamps, human-readable dates, and Unix time. Essential for browser debugging and web development.
Understanding Chrome/WebKit Timestamps
Format Specifications
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Time Format
Microseconds since January 1, 1601 UTC
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Precision
17-digit integer representing microseconds
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Browser Support
Used in Chrome, Safari, and other WebKit/Chromium browsers
Common Applications
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Cookie Analysis
Examining cookie expiration times
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Browser Debugging
Analyzing browser storage timestamps
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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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