UTC/Local Batch Converter

Date & Time

Convert batches of timestamps between UTC and your local time zone with flexible formats and instant copy-ready results.

Input List

Paste ISO 8601 strings, local date-times, or Unix timestamps.
Auto-detect treats long numbers as milliseconds.

Converted Output

Local time results
0 lines processed 0 converted 0 errors

How it works

Batch-friendly: Paste entire lists and get line-by-line conversions instantly.
Smart parsing: Auto-detect handles ISO strings and Unix timestamps.
Local or UTC: Swap directions to convert either way without reformatting inputs.
Private: Everything runs locally in your browser with no uploads.

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