Log Timestamp Normalizer to UTC ISO

Normalize timestamps in log lines to a consistent UTC ISO format.

Log Timestamp Normalizer

Normalize timestamps across log lines so they can be sorted and compared reliably. This helps teams combine logs from multiple systems into a single timeline.

How to use the Log Timestamp Normalizer

  1. Paste your log lines.
  2. Click Normalize.
  3. Copy the updated output.

Common use cases

  • Unifying timestamps across services.
  • Preparing logs for ingestion pipelines.
  • Debugging distributed systems.
  • Creating consistent log samples for tests.

Tips & notes

  • Keep timezone assumptions consistent across environments.
  • Validate results when mixing multiple time formats.
  • Use UTC output for cross-region logs.

Related developer tools

  • Log Pattern Extractor
  • Timestamp to Date
  • JSON Formatter

FAQ

What formats are supported?
Unix timestamps and ISO dates.
Does it change the rest of the line?
No. Only the timestamp portion is normalized.
Can it handle milliseconds?
Yes. Millisecond timestamps are supported where detected.