Unix Timestamp Converter
Convert Unix seconds, milliseconds, ISO 8601 and local time live.
Unix Timestamp Converter
How it works
- 1.
Enter a value
Paste headlines, article titles, or category names. German umlauts (ä, ö, ü, ß) transliterate correctly (ae, oe, ue, ss) for SEO-friendly URLs.
- 2.
Compare formats
Pick the separator (-, _, .), lowercase or keep case, and strict mode (ASCII only). Strict is the default for URLs, filenames, and S3 keys.
- 3.
Copy
Copy line by line or all at once to your clipboard. Perfect for blog CMSes, Next.js routes, and programmatic SEO pages.
FAQ
How does the tool decide between seconds and milliseconds?+
Numbers up to 10 digits are treated as seconds, longer inputs as milliseconds.
Which date formats are accepted?+
Any ISO 8601 variant plus anything the JavaScript Date parser accepts.
Is this tool local-only?+
Yes, entirely in your browser.
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