Method
Separates extensions, replaces selected platform-sensitive characters, normalizes separators and case, and can suffix duplicates.
Preview cleaner filenames from a pasted list.
Normalize spaces and characters locally before renaming anything yourself.
This is a local preview only. It does not rename files on disk, upload files, or guarantee compatibility across operating systems and drives.
Context & Reference
For previewing a consistent list of filenames before organizing files.
utility guideSeparates extensions, replaces selected platform-sensitive characters, normalizes separators and case, and can suffix duplicates.
Use this utility with your own values, then review the clearly labelled result and copy it when you need it elsewhere.
Before-and-after rows and compatibility warnings are shown for copy or text export.
Preview cleaned names from a pasted list before renaming them yourself.
This never renames files on disk; reserved names and characters differ across platforms.
This utility runs locally in this browser. This never renames files on disk; reserved names and characters differ across platforms.
Useful next steps
Continue with a closely related task, calculation, conversion, or local text tool.
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Trim, collapse, or normalise whitespace in pasted text.
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