Adobe Premiere Pro is a video editing software used by both amateurs and professionals to edit videos, commercials, and films by importing video, audio, and graphic files. It allows users to trim imported footage on the timeline by dragging clips from the footage box to the timeline and using the razor tool to cut footage at marked points.

1. Premier pro

2. Premier pro
Adobe Premiere Pro is a video editing software. It is used for editing
videos, commercials and other film, television, and online videos. It
can be used for all common video editing tasks and is relatively simple
to use. It can be used to import video, audio and graphics, and is used
to create edited versions of video which can be exported to the
format necessary for distribution. Premiere Pro is used by both
normal people and professionals, such as production firms, news
stations, marketing professionals, etc.
How to import footage and trim it:
You have to insert the footage that you want to edit into the software,
this can be done by going to file then import. However a simpler way
is to just drag and drop the footage into the footage box at the
bottom of the screen.
You then add the footage to the timeline by dragging and dropping it
into it, from the footage box.
To trim the footage you pull the blue bar to the place that you want to
cut your video from, then you use the razor tool to cut the footage at
that line.