In this quick tutorial I show you how I rename hundreds (or even thousands) of files in one go, without paying for some sketchy “pro” app. I run into this all the time—Linux ISOs, torrents, big downloads, or even huge batches of Kindle books I’m cleaning up before converting to PDF. When filenames have weird endings, tags, or random junk on the end, doing it one-by-one is a complete waste of time. The tool I use is PowerRename, which is built into Microsoft PowerToys and it’s 100% free. I walk through how to download PowerToys from Microsoft’s official GitHub, install it with a simple .exe, and then actually find it (because it’s kind of hidden until you right-click). From there it’s as easy as right-clicking a folder selection and choosing “Rename with PowerRename.” I show real examples of stripping out things like curly braces, extra spaces that can catch you out, and unwanted tags like “NY,” applying changes across the whole folder instantly. If you’re trying to get your file organization under control fast, this is one of those tools that just makes life a lot easier.