Renamer
Renamer is a batch file renaming app for macOS that helps you rename large groups of files with reusable rules and live previews.
What is Renamer?
Renamer is a file management utility for macOS focused on batch renaming large sets of files. It helps users clean up filenames, apply consistent naming schemes, and organize folders more quickly than renaming items one by one in Finder. Typical uses include numbering files, finding and replacing text, changing letter case, adding dates or metadata, and standardizing photo, music, or document filenames. The app includes a live preview so you can review changes before applying them, and it supports reusable workflows for recurring rename jobs. It is useful for photographers, media collectors, office users, and anyone who regularly works with large groups of files. Renamer is published under the Incredible Bee brand and is designed as a focused desktop utility rather than a general-purpose file manager.
Key features
- Rename many files at once with batch workflows
- Preview filename changes before applying them
- Find and replace text across selected filenames
- Add numbering, dates, and other structured naming elements
- Change letter case and adjust file extensions
- Use saved workflows for recurring renaming tasks
- Rename files using photo and music metadata
- Build more advanced rename rules with chained actions and regex
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Safety overview
Status: Safe
Renamer is a legitimate file-renaming utility. It needs access to the files and folders you choose so it can read names and metadata and then rename those items. That level of access is normal for this kind of app, but batch renaming can affect many files at once, so it is wise to review the preview carefully before confirming changes, especially in important work folders.
Recommendation: Keep Renamer if you use it to organize or standardize filenames in bulk. If you no longer need batch renaming features, you can remove it without affecting macOS, though any saved workflows or app-specific settings may be lost.
Common paths
/Applications/Renamer.app
Support paths
~/Library/Application Support/Renamer
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