Batch Filename Copy Renamer
Export selected files with generated numbered names in a stored ZIP while preserving the originals.
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How to use Batch Filename Copy Renamer
Review a deterministic old-to-new filename mapping, then download renamed copies. The tool uses a narrow safe naming pattern instead of executing replacement expressions or filesystem commands.
- Enter files to copy, safe prefix, first number.
- Choose the settings for batch filename copy renamer, then run the tool.
- Review the result and any limitations before copying or downloading it.
Good to know
- 50 files,20MiB aggregate and32MiB stored ZIP output budget. Prefix is restricted; output order follows selection order.
- No filesystem rename/move/delete, arbitrary expressions, regex execution or archive import. Only generated copies are downloaded.
- Processing is local. Output is limited to 1,000,000 text characters unless a stricter file limit is stated.
Common questions
Will my original files be renamed?
No. The browser reads their bytes and creates a separate ZIP with new entry names.
Is this input sent to a server?
No. The application processes this input inside your browser tab and does not save it to persistent storage.
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