Linux Mint introduced a new batch file renamer app ‘Bulky’ in 20.2 release. Here’s how you can install it in Ubuntu 18.04, Ubuntu 20.04, Ubuntu 21.04. https://ubuntuhandbook.org/index.php/2021/07/linux-mint-bulky-file-renamer-ubuntu-20-04/

GitHub - linuxmint/bulky: Bulk Renamer
https://github.com/linuxmint/bulky

"It's an XApp so it can work in any distribution and many desktop
environments (Cinnamon, MATE, GNOME, etc..).

Thunar already has its own built-in file renamer so Bulky is redundant
in Xfce."

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