Both directions
Convert a timestamp to a date, or a date to a timestamp.
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Unix Timestamp Converter
Convert between Unix timestamps and readable dates instantly — free and accurate.
🔒 Enterprise privacy — 100% client-side, no server uploads
What is Unix Timestamp Converter?
Unix Timestamp Converter is a free online tool that lets you convert between Unix timestamps and readable dates instantly — free and accurate. It works in your web browser with no signup. Enter your text or numbers and see the result instantly. Everything you type stays in your browser.
Also searched as: Unix timestamp converter, epoch converter, timestamp to date, date to Unix time.
Unix Timestamp Converter at a glance
- Price
- Free, with no paid plans
- Account
- No signup or login needed
- Where it runs
- In your web browser
- Your data
- Nothing you type is sent to a server
- Works on
- Any modern browser, on desktop and mobile
- Category
- Developer & Everyday Calculators
When to use Unix Timestamp Converter
- →Read a Unix timestamp from a log or API
- →Turn a date into epoch time for code
- →Check when a stored time actually was
How to use Unix Timestamp Converter
- 1
Open Timestamp Converter and fill in the values it asks for.
- 2
The result appears and updates instantly as you change any field.
- 3
Copy the result if you need to paste it elsewhere.
Why use Unix Timestamp Converter
- ✓Runs entirely in your browser — your file is never uploaded to a server.
- ✓No account, signup, or email address required to use it.
- ✓Completely free, with no daily limit and no signup.
- ✓Gives an instant, accurate result without opening a spreadsheet.
Unix Timestamp Converter
Convert Unix timestamps to dates and back
Turn a timestamp from a log or API into a readable date, or turn a date into a timestamp in seconds and milliseconds.
Seconds or milliseconds
Paste either kind of timestamp and the tool works out which one it is.
Local time and UTC
See the date in your own time zone and in UTC, so there is no guessing.
Instant
Results update as you type.
Private
Everything runs in your browser.
Free, no signup
No account and no limit.
Everything you need in Unix Timestamp Converter
- Timestamp to date
- Date to timestamp
- Seconds and milliseconds
- Local time and UTC
- Instant results
- Runs in your browser
- Works on phone and computer
- Free and no signup
Tips for better results
- 1
Count the digits
A timestamp with 10 digits is usually in seconds. One with 13 digits is usually in milliseconds.
- 2
Compare with UTC when debugging
Servers often use UTC, so check the UTC value if the local time looks off.
- 3
Decoding a token?
The exp value inside a JWT is a timestamp. Check it here, or use JWT Decoder, which shows whether a token has expired.
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Tutorials on Unix Timestamp Converter
Short, practical guides that go with this tool.
🔒 Your privacy with Unix Timestamp Converter
Timestamp Converter runs as client-side JavaScript inside your own browser tab. Your file or text is read, processed, and turned into a result on your device — it is never sent to, stored on, or seen by Toolkitties' servers. Closing or refreshing the page clears everything.
Frequently asked questions
What is a Unix timestamp?
It is the number of seconds since 1 January 1970 (UTC), widely used by software to store dates.
How do I know if a timestamp is in seconds or milliseconds?
Ten digits is usually seconds and thirteen digits is usually milliseconds. The tool accepts both.
Does it show UTC?
Yes. You see the date in your local time and in UTC.
Can I convert a date into a timestamp?
Yes. Switch the direction and the tool gives you seconds, milliseconds and the UTC time.
Why is the date different from what I expected?
It may be a time zone difference. Compare the UTC value with your local value.
Is anything uploaded?
No. Everything happens in your browser.
Is Timestamp Converter free to use?
Yes. Timestamp Converter is 100% free, with no signup, no daily limit and no paid plans.
Do I need to create an account to use Timestamp Converter?
No signup or login is required. Open the page and start using Timestamp Converter immediately.
Is it safe to use Timestamp Converter with private or sensitive files?
Yes. Timestamp Converter processes your file locally in your browser using client-side code. The file itself is never uploaded to Toolkitties' servers.