Free Unix Timestamp Converter - Online Convert | ToolZen
Convert between Unix timestamps and human-readable dates. Supports both seconds and milliseconds.
Frequently Asked Questions
1. What is a Unix timestamp?
A Unix timestamp is the number of seconds that have elapsed since January 1, 1970 (midnight UTC). It's a common way to represent dates in programming.
2. Does it support milliseconds?
Yes! The converter automatically detects whether your input is in seconds (10 digits) or milliseconds (13 digits) and handles both formats correctly. JavaScript typically uses milliseconds, while many APIs and databases use seconds.
3. What is the difference between UTC and local time?
UTC (Coordinated Universal Time) is a global time standard that doesn't change with time zones. Local time is your local time zone time. For example, if you're in China (UTC+8), local time is 8 hours ahead of UTC.
4. What is ISO 8601 format?
ISO 8601 is an international standard for date and time representation. Example: "2024-04-29T13:40:00.000Z" where "Z" means UTC (Zulu time). It's commonly used in APIs and data interchange.
Key Features
- Unix to Date — Convert timestamps to readable dates
- Date to Unix — Convert dates to Unix timestamps
- Timezone Support — View results in different timezones
- Millisecond — Support for millisecond precision
- Copy Output — Copy result with one click
How to Use
Step 1: Enter timestamp
Type a Unix timestamp or select a date and time.
Step 2: View conversion
The converted result appears instantly.
Step 3: Copy
Click copy to save the converted value.
Use Cases
Debugging Logs
Convert Unix timestamps from log files to human-readable dates.
Database Queries
Convert between timestamp formats used in SQL databases.
API Development
Parse timestamp values from API responses during development.
Why Choose ToolZen?
| Feature | ToolZen | Others |
|---|---|---|
| Privacy | 100% Client-Side | Data to Server |
| Cost | Free | Freemium |
| Signup | No | Required |
| Precision | Seconds + Milliseconds | Seconds Only |