Learn how to rename all file extensions in a folder & sub-folders at once on Windows 11/10. You can batch rename or rename all file extensions in bulk using this guide.

If you need to rename multiple files in Windows 10 or Windows 11, don't do it one by one. Use this trick instead.

There are plenty of File Explorer alternatives for Windows 11, but really, you don't need them. And with PowerToys, you can make it even better.

Bulk Rename Utility is a lightweight, easy-to-use file renamer. Effortlessly rename multiple files or folders with flexible options—minimal memory use means it runs quietly in the background.