Add Date Stamp to Filenames (YYYY-MM-DD)

Add an ISO date stamp (YYYY-MM-DD) to the front or back of multiple filenames.

How It Works & Processing Standards

Add an ISO date stamp (YYYY-MM-DD) to the front or back of multiple filenames.

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

Add Date Stamp to Filenames (YYYY-MM-DD) 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 Add Date Stamp to Filenames (YYYY-MM-DD)

  1. 1
    Select FilesPick files to date stamp.
  2. 2
    Choose PositionSelect prefix (start) or suffix (end).
  3. 3
    Download Stamped FilesDownload renamed files in a ZIP.

Common Use Cases

  • Adding date stamps to daily export spreadsheets and contract versions
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