Flash Renamer Portable wins for media professionals (music/photos) due to its superior metadata reading. BRU is lighter but more cryptic.
While there is no "official" portable release currently listed as a standalone download on the main site, users often seek it for use on USB drives. flash renamer portable
This is a standout feature. Flash Renamer reads the metadata inside MP3 files (Artist, Title, Album) and renames the file accordingly. You can set a mask like: $Artist% - $Track% - $Title%.mp3 . flash renamer portable