Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa instantly. Supports multiple timezones, formats, and precise calculations. All processing happens in your browser for complete privacy.
Perfect for Developers
Enter a timestamp or date to see the conversion
Popular Examples
What is a Unix Timestamp?
A Unix timestamp (also called Epoch time or POSIX time) represents the number of seconds that have elapsed since January 1, 1970, 00:00:00 UTC. This standardized time format eliminates timezone confusion and provides a universal way to represent dates and times across different systems and programming languages.
Why Unix Time?
Common Use Cases
Understanding Different Timestamp Formats
Unix Timestamp (Seconds)
The standard Unix timestamp format counting seconds since the epoch. Example: 1704463845 represents January 5, 2024, 14:30:45 UTC.
Milliseconds Precision
Extends Unix time with millisecond precision for high-accuracy timing. Example: 1704463845000 includes three additional digits for milliseconds.
ISO 8601 Format
International standard for date and time representation. Example: 2024-01-05T14:30:45Z provides human-readable format with timezone information.
RFC 3339 Format
Internet-standard date format with timezone offset support. Example: 2024-01-05T14:30:45-05:00 includes explicit timezone offset.
Professional Developer Applications
API Development & Testing
Convert API response timestamps for debugging, validate date parameters, and ensure consistent timezone handling across microservices. Essential for REST APIs, GraphQL endpoints, and webhook processing.
Database Administration
Analyze database timestamps, convert between storage formats, and troubleshoot date-related queries. Works with MySQL UNIX_TIMESTAMP(), PostgreSQL extract(), and MongoDB date operations.
Log Analysis & Monitoring
Parse server logs with timestamp filtering, correlate events across time zones, and analyze application performance metrics. Essential for DevOps, system monitoring, and incident response.
Security & Compliance
Audit trail analysis, compliance reporting with accurate timestamps, and security event correlation. Critical for GDPR compliance, audit logs, and forensic analysis.
Privacy-First Timestamp Conversion
Unlike other timestamp converters that process your data on remote servers, our tool performs all conversions locally in your browser. Your sensitive timestamps, API responses, and database values never leave your device, ensuring complete privacy for confidential projects and sensitive data.
Frequently Asked Questions
How do I convert Unix timestamp to date?
Enter your Unix timestamp (like 1704463845) in the input field above. Our converter automatically detects whether you've entered seconds or milliseconds and displays the corresponding human-readable date in your selected timezone.
What's the difference between seconds and milliseconds?
Unix timestamps in seconds have 10 digits, while milliseconds have 13 digits. JavaScript uses milliseconds by default, while most Unix systems use seconds. Our converter automatically detects the format based on the number of digits.
How do timezones affect timestamp conversion?
Unix timestamps represent UTC time, so they're timezone-neutral. When converting to human-readable format, we apply your selected timezone offset. The same timestamp shows different local times in different timezones, but represents the same moment in time.
Can I convert dates to Unix timestamps?
Yes! Enter dates in various formats like "2024-01-15", "01/15/2024 2:30 PM", or "January 15, 2024". Our parser recognizes multiple date formats and converts them to Unix timestamps while respecting your timezone selection.
Why use a timestamp converter tool?
Manual timestamp conversion is error-prone and time-consuming. Our tool eliminates calculation mistakes, handles timezone complexities, supports multiple formats, and provides instant results. Perfect for debugging, data analysis, and development work.