In response to this post: https://forum.audacityteam.org/t/trim-15-sec-of-at-the-end-of-multiple-files/26547/1
Here’s a plug-in that trims a specified number of seconds from the end of a track (or selection) and applies a fade-out to the remaining audio. It is designed particularly with batch processing (Chains) in mind.
The effect is called “Trim and Fade…”
TrimAndFade.ny (906 Bytes)