Filename Cleaner
Clean invalid filename characters.
Runs locally in your browser
Your inputs are processed locally in your browser and are not uploaded or stored by us.
A free local utility to sanitize filenames.
How to Use
- Select multiple files locally using the file picker.
- Click the Process button to run the algorithm.
- Download the cleaned file copies.
Privacy and Processing
All processing runs entirely in your browser. The tool removes or replaces commonly problematic filename characters (like control characters and path separators) according to standard policies. It does not guarantee universal filesystem validity. Your files are not uploaded to our servers.