Renamer : Bulk rename and alot

Rename , Change extension, perform other operations on file names.

Changes 15.0 : Android 13 Bug Solved

APK Description:

Operations :
Rename files with file number in its name (Preserve Extension)
Change extension of all files in a folder
Change extension of files having given extension to new extension
Search and replace given word (including extension) in the names of all files
Change nth character in the names of all files
Add Prefix to the names of all files
Add Suffix to the names of all files

Screenshots: