Why do certain filenames fail on Windows?
Windows forbids characters like colons, question marks, asterisks, and specific legacy filenames like 'CON' or 'PRN'.
How to Use Filename Sanitizer & Cleaner
Step 1: Enter Raw Filename
Paste messy filenames or directory names.
Step 2: Select Sanitization Rule
Choose kebab-case, snake_case, or CamelCase with illegal character removal.
Step 3: Copy Safe Filename
Copy filenames that won't fail on Windows or Linux servers.
Key Features & Capabilities
- Strips Windows reserved characters: `/ \ ? % * : | " < > .`
- Filters Windows reserved system names (CON, PRN, AUX, NUL, COM1-9, LPT1-9)
- Transliterates accents and replaces spaces with hyphens or underscores
Frequently Asked Questions
Can I convert spaces to hyphens or underscores?
Yes, you can choose between kebab-case (hyphens) or snake_case (underscores) for web URLs and file servers.
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