This script will reset the Start and (optionally) the Stop Time of the selected tracks--or all the tracks of the selected playlist--to "0:00" and (optionally) their entire duration, respectively.
You might also be interested in Batch Trim Start or Stop Time (Seconds).
Choose to reset the tracks Start Time to 0:00 and, optionally, the Stop Time to the full duration of the track
Export selected tracks' data to XML file, import later
Resample selected tracks' artwork to user-set size limit
Export selected playlists as individual XML or M3U files
Exports and then re-imports selected tracks' artwork
Delete characters from the beginning or ending of selected tracks' name, artist, album, comments, composer, or show tags
Set choice of various number tags of selected tracks incrementally