About Filename Sanitizer & Slugifier
Clean and format filenames for cross-platform safety across Windows, macOS, Linux, and web URLs. Strips illegal characters, replaces spaces with hyphens or underscores, removes diacritics, and formats to kebab-case or snake_case.
Key Capabilities & Features
- Removes illegal characters: / : * ? " < > |
- Converts to kebab-case, snake_case, url-slug, or clean alphanumeric
- Normalizes diacritics and accents (é → e, ñ → n)
- 1-click copy for sanitized filenames
How to Use Filename Sanitizer & Slugifier
1
Enter Filename
Type or paste a filename with special characters or spaces.
2
Choose Naming Convention
Select kebab-case, snake_case, or url-slug.
3
Copy Result
Copy the sanitized web-safe filename.
Privacy & In-Browser Execution Guarantee
Instant in-browser text sanitization with zero server storage.
Frequently Asked Questions
Why do certain characters break filenames?
Characters like slashes, colons, and question marks are reserved by operating system file systems and web servers, causing transfer or storage errors if not sanitized.