File Name Sanitizer
Clean a filename of characters that are illegal (or just awkward) on Windows, macOS or Linux, so it's safe to save on any system.
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About this tool
Windows disallows < > : " / \ | ? * and trailing dots or spaces, and reserves names like CON and LPT1; macOS only disallows : and /; Linux only disallows /. Illegal characters are replaced with an underscore.