Cross-Platform Safe Filename Helper

Sanitize file names by removing illegal operating system characters and applying consistent casing.

About this tool

Avoid corrupted file paths and download errors by cleaning names of illegal symbols.

How to use this tool

  1. Type or paste messy filename
  2. Select casing convention
  3. Copy clean filename

How it works

Strips control codes, illegal symbols (/\:*?"<>|), and handles DOS reserved names like CON, PRN, AUX.

When to use this tool

  • Web upload asset naming
  • Automated script batch renaming

Frequently asked questions

What characters are removed?

Symbols that break Windows, Linux, or macOS file systems: / \ : * ? " < > | and control characters.

Limitations

Truncates names to 200 characters max for safety.

Privacy

Processed locally in memory.