Converting many timestamps at once
Paste one value per line — any mix of epoch numbers, ISO dates, or RFC 2822 dates. Each line is detected and converted independently; a bad line does not block the rest.
Batch Timestamp Converter
Convert many timestamps at once, one per line, directly in your browser, with a CSV download.
English
Converted locally. Nothing is uploaded.Time · Batch
Exporting results
Download the table as a CSV with the original input, the ISO 8601 (UTC) equivalent, the epoch milliseconds, and any parse error, for further processing in a spreadsheet.
Frequently asked questions
Blank lines are skipped. Order is preserved so the output lines up with your input.