It is Rename expert,has all the required features and is constantly updated ---
1) Rename files with many options like Replace, insert, move or remove name parts.
2)Undo/redo of renames
3)Detects conflicts and show's it in the status bar
4.All settings can be saved as profile for reuse.
5.Rename folders along with subfolders and contained files in a single step.
6.Numbering of files,an existing numbering can be easily overwritten or adjusted.
7.Rename extensions
8.Rename more than 100,000 files and folders at a time
9. Real-time preview of the new file names
10.portable usage
11.Supports Unicode file names
https://www.rename-expert.com/
Similar software’s i tested are — Advanced renamer,renamer pro,better file rename,ef multifile renamer,BatchRename Pro, Ron’s renamer
Rename master,Rename us pro,Focus on renamer,kuknet file renamer,Inviska rename,Daram renamer,winext bulk renamer
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