Sanitize Filenames (Remove Dangerous Characters)

Remove invalid OS characters (/ \ : * ? " < > |) and control codes to ensure universal cross-platform safety.

How It Works & Processing Standards

Remove invalid OS characters (/ \ : * ? " < > |) and control codes to ensure universal cross-platform safety.

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

Sanitize Filenames (Remove Dangerous Characters) 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 Sanitize Filenames (Remove Dangerous Characters)

  1. 1
    Select FilesChoose files with questionable characters.
  2. 2
    SanitizeForbidden characters are safely replaced or stripped.
  3. 3
    DownloadSave clean, cross-platform compatible files.

Common Use Cases

  • Cleaning customer-uploaded files before storing them in server file systems
Have feedback or ideas for this tool? Suggest & Inquire →