Unix Timestamp Converter
Convert Unix timestamps to human dates and back, with a live clock.
— seconds — milliseconds Three steps, no reading required.
Grab the current time
The live clock shows the current Unix time in seconds and milliseconds — copy either.
Enter a value
Type a Unix timestamp (seconds or milliseconds) or a date like 2024-05-29 12:00.
Read every format
See the local time, UTC/ISO 8601, relative time, and day of week — copy any of them.
Upload & hope
- Sends your input to a server to process it
- Asks for an account after a few free uses
- Limits input size on the free tier
Runs where you are
- Processes everything inside your browser tab
- No account, ever
- No artificial size limit
Questions worth answering upfront.
Yes. Values with 13 or more digits (magnitude ≥ 1e12) are read as milliseconds; shorter ones are read as seconds.
No. All conversion runs in your browser using its own clock and time zone. Nothing is uploaded.
The local time row uses your browser's time zone; the UTC/ISO 8601 row is always in UTC.
Yes. Type a date string and the Unix (seconds) and Unix (milliseconds) rows show its timestamp.
Yes. Every tool on DevUtilsNow is free to use with no account required.
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