Free Timestamp Converter
for Unix time and readable dates.
Convert Unix timestamps to readable dates and convert dates back to Unix timestamps instantly with this free online tool. No accounts. No uploads. No telemetry.
Timestamp input
Converted result
Detected unit: seconds
ISO: 2026-03-13T23:54:08.000Z
UTC: 2026-03-13 23:54:08 UTC
Local: 2026-03-13 23:54:08
Unix seconds: 1773446048
Unix milliseconds: 1773446048000Supported
- Unix timestamps in seconds
- Unix timestamps in milliseconds
- Date to timestamp conversion
- UTC, local time and ISO output
Automatically handled
- Automatic detection of seconds vs milliseconds
- Instant conversion in the browser
- One-click copy for the full result
- Current timestamp or current date with the Now button
Not supported yet
- Relative date offsets like +1 day or +1 hour
- Custom timezone selection
- Batch conversion
- Formatted export options
Free online timestamp converter
This tool works as a Unix timestamp converter, an epoch converter, and a quick way to convert timestamps to readable dates or convert dates back to Unix time.
Developers often use timestamp conversion when debugging API responses, logs, databases, analytics events, webhook payloads, and backend systems that store time as seconds or milliseconds since the Unix epoch.
The converter automatically detects common timestamp formats and shows ISO, UTC, and local time output for convenience.
Everything runs locally in your browser, so your values are not uploaded or stored anywhere.
Example
1710422400 → 2024-03-14T16:00:00.000ZPaste a Unix timestamp to instantly see its human-readable date, or paste a date string to convert it back into seconds and milliseconds.
Convert timestamp to date or date to timestamp online
Use this converter to quickly transform Unix timestamps into readable dates, or convert a date string into Unix seconds and Unix milliseconds.
Common use cases
- Inspect timestamps in API responses and logs
- Convert dates for database or backend debugging
- Check analytics event times in readable format
- Transform dates into Unix time for scripts and requests
How it works
In timestamp mode, the converter detects whether the input is in seconds or milliseconds and creates a JavaScript Date from that value.
In date mode, it parses a date string and returns both Unix seconds and Unix milliseconds, along with ISO, UTC, and local time representations.
Everything runs locally in the browser for speed and privacy.
What is the difference between seconds and milliseconds timestamps?
Unix timestamps in seconds are shorter values like 1710422400, while millisecond timestamps are longer values like 1710422400000.
Many APIs, databases, and JavaScript systems use one or the other, so automatic detection helps avoid conversion mistakes.
FAQ
What is a timestamp converter?
A timestamp converter lets you convert Unix timestamps into readable dates and convert dates back into Unix timestamps.
Does this support seconds and milliseconds?
Yes. The tool supports both Unix seconds and Unix milliseconds and detects them automatically.
Is this timestamp converter safe?
Yes. Everything runs in your browser and your values are not uploaded.
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