How to use Microsoft PowerToys PowerRenamer tool to strip the last N characters of a file name?

Solution 1:

Assuming you want to change the file name but want to keep the file extensions, you can try the following:

  • Search for: .{12}(\..+)
  • Replace with: $1
  • Check Use Regular Expressions

The above applies to Filename + Extension. If it should apply to Filename only, set the criteria to the following:

  • Search for: .{12}$
  • Replace with: Leave empty
  • Check Use Regular Expressions

Change the 12 to the number of characters you want to remove.

Filename + extension Power Rename - Regex query & Results for filename + extension

Filename only Power Rename - Regex query & Results for filename only