Mr. D'clutterer

When dealing with countless and countless files, searching through them can be time-consuming, not to mention organizing them.
So you can try Mr. D'clutterer, a hassle-free solution to have your folders nicely sorted without needing to waste hours on the task.

Minimalist GUI

The main window is also the only window this app comes with, so the learning curve is definitely rather shallow. You only launch the app, drag and drop the files you are interested in, then right-click and choose the configuration that works best for you.
The changes are applied as soon as you press the Go! button, and all your files are organized in relevant folders, thus making it easy for you to locate certain files without needing to browse through all of them.
You can also prevent the app from organizing data stored in sub-directories, if there are any.

Supports several grouping modes

Due to Mr. D'clutterer, you get the possibility to group your files according to their type or according to their file extension.
In the first case, you get folders named as straightforward as you'd expect: Audio, Video, Image, Text, Document, Code, and so on.
In the second case, the new sub-folders are named depending on the detected extensions.

Bulk file renamer

Another important function of Mr. D'clutterer is that you can modify default filenames, based on the setup you select. You can replace a space with a dash, a dash with an underscore or an underscore with a space.
This process comes in handy when you frequently download stuff off the Internet and you want to have all the packages named according to the same pattern.

Conclusion

All in all, Mr. D'clutterer is a handy little app that can save you a lot of time and effort when it comes to organizing the contents of your folders and renaming files in bulk.