GNU/Linux Debian Bookworm Installing Avidemux – Step by step Guide
How to Install and Getting Started with Latest Avidemux Release on Debian Bookworm 12.x GNU/Linux desktop – Step by step Tutorial.
And Avidemux for Debian 12 is a free Video Editor designed for simple Cutting, Filtering and Encoding tasks.
Finally, Avidemux supports many file types, including AVI, DVD compatible MPEG files, MP4 and ASF, using a variety of codecs. Tasks can be automated using projects, job queue and powerful scripting capabilities.

1. Launching Terminal
Open a Shell Terminal emulator window
(Press “Enter” to Execute Commands).2. Setting Up Repository
How to Install Avidemux Debian Repository
3. Installing Avidemux
Finally, to Install Avidemux on Debian
Simply play:sudo apt install avidemux-qt
Authenticate with the User Admin Pass.
If Got “User is Not in Sudoers file” then see: How to Enable sudo.-
4. Launching Avidemux
Finally, Launch & Enjoy Avidemux
From desktop Make Use of the Launcher: 5. Avidemux Getting Started
How to Get Started with Avidemux Video Editor