In-browser tool
Unix timestamp converter
Convert Unix time to a date and back — right in your browser.
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How it works
01
Type or paste your input
02
Get the result instantly
03
Copy the result
Frequently asked questions
Seconds or milliseconds?
It accepts Unix seconds and detects milliseconds. Conversion happens locally; nothing is uploaded.
Is my file uploaded to a server?
No. This tool runs entirely in your browser. You can open your browser's network tab and verify no request carries your file.