Renamer
Renamer is a batch file renaming app for macOS that helps you rename large groups of files using reusable rules and live previews.
What is Renamer?
Renamer is a macOS file management utility built to rename many files at once with structured rules and reusable workflows. It is designed for people who organize photos, music, documents, downloads, and other file collections that need consistent names. The app supports common renaming tasks such as numbering files, finding and replacing text, changing letter case, adding dates, and editing extensions. It also includes more advanced options for metadata-based renaming, including photo EXIF details, GPS tags, music ID3 tags, CSV-driven renaming, and regular expressions. Live preview and undo tools help users review changes before committing them and recover from mistakes more easily. Published by Incredible Holding GmbH, Renamer fits best as a productivity-focused helper for Mac users who regularly clean up or standardize filenames.
Key features
- Rename thousands of files in a single batch operation
- Build reusable renaming workflows for repeated tasks
- Preview filename changes live before applying them
- Find and replace text, change case, and add numbering
- Rename files using photo EXIF, GPS, and music ID3 metadata
- Use regular expressions for complex naming patterns
- Import rename rules from CSV-based file lists
- Undo recent renaming actions and rely on backup support
Review app leftovers with diCleaner
Inspect caches, support files, containers, and login items before cleaning.
Safety overview
Status: Safe
Renamer is a legitimate file utility whose main risk is accidental filename changes if rules are applied too broadly. Access to your files is normal for a batch renaming app, and preview tools plus undo support help reduce mistakes. Review the sample results before confirming large batches, especially when working with important folders or metadata-based rules.
Recommendation: Keep Renamer if you use it to organize files, photos, music, or project assets in batches. If you no longer use it, removing the app is usually fine, but you may lose saved workflows or app-specific settings that make repeated renaming jobs faster.
Common paths
/Applications/Renamer.app
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