Check File Last Modified Timestamp

Read local file modification dates and display formatted timestamps in local time and UTC ISO 8601.

How It Works & Processing Standards

Read local file modification dates and display formatted timestamps in local time and UTC ISO 8601.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Desktop max file size: 100MB
  • Mobile max file size: 40MB

Check File Last Modified Timestamp is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use Check File Last Modified Timestamp

  1. 1
    Select FilesPick files to check dates.
  2. 2
    View TimestampsBrowse local time and ISO 8601 timestamps.

Common Use Cases

  • Verifying backup timestamps or determining which version of an exported file is most recent
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