Create a text file (e.g., inputs.txt ) listing all files: file 'clip1.mp4' , file 'clip2.mp4' .

: You can automate the "merge all" process using a Windows Batch script ( .bat ) that calls FFmpeg to process every MP4 in a folder.

How to Merge MP4 Files: The Ultimate Creator's Guide for 2026

Run the following command: ffmpeg -f concat -safe 0 -i inputs.txt -c copy output.mp4 .

Grand Theft Auto V - GTA V [Offline Version] v1.0.3095
Grand Theft Auto V – GTA V [Offline Version] v1.0.3095