Unix Timestamp Converter

Use Unix Timestamp Converter, review the result, and keep the original until the output is checked.

Unix Timestamp

Supports seconds or milliseconds.

Human Date

Uses your local time; the result also shows UTC.

Conversion Result
Enter a timestamp or date to convert.
100% browser-side processing — your data is never uploaded to any server. · Per-tool input limit: 1 MB
100% browser-based No upload to server Free to use

Frequently Asked Questions About Unix Timestamp Converter

Is the result in my time zone or UTC?

Both are shown where the page offers a zone option, so you can tell an off-by-timezone bug from an off-by-one-second bug.

Do negative timestamps work?

Yes. Values before 1970 are negative, which is legal and shows up in old records.