Filename Sanitizer

Normalize names, replace reserved filename characters, trim trailing dots or spaces, and preview safe names locally.

Filenames — one per line

Replacement

Character mode

ReadyReserved characters < > : " / \ | ? * and control characters are replaced; trailing dots/spaces are removed.

How to use this Filename Sanitizer

Clean filenames that contain unsafe or incompatible characters. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.