This page allows you to swap initials and last names for a list of authors, for use in reference lists in academic papers. It copes with a variety of formats, and some LaTeX characters (eg "~", "\").
Paste in an author list for conversion (eg "A. N. Other, U. T. Cobley and J. Bloggs"), then choose output details.
Copy and paste the result (eg "Other, A. N., Cobley, U. T. and Bloggs, J.") back into your document.