How to merge YouTube videos

Aimersoft Video Joiner (Freeware) [7.5 MB]

Do you want to merge your Youtube videos (Part 1, Part 2, etc) into one video file?
We recommend Aimersoft Video Joiner to do so.

This software is designed for merging several videos into one video. Video files are combined can be composed of the same format or different formats.

Video files supported include AVI, MP4, MOV, MPG, WMV, ASF, M4V, MKV, DV, VOB and other common formats. The size of the video output can be regulated, including audio settings.

Download link here or here