There are actually a couple of good GUI bulk file renamers. I'm fond of the one built into xfce's Thunar file manager [1], but there is also ReNamer [2] and Ant

There are actually a couple of good GUI bulk file renamers. I'm fond of the one built into xfce's Thunar file manager [1], but there is also ReNamer [2] and Ant Renamer [3]. [1] https://docs.xfce.org/xfce/thunar/bulk-renamer/start https://docs.xfce.org/xfce/thunar/bulk-renamer/start [2] http://www.den4b.com/products/renamer http://www.den4b.com/products/renamer [3] http://www.antp.be/software/renamer http://www.antp.be/software/renamer