https://davescomputertips.com/join-two-videos-with-mkvtoolnix/ Computer Help, Tips, How-to's, and News Fri, 03 Apr 2026 23:34:41 +0000 hourly 1 https://davescomputertips.com/join-two-videos-with-mkvtoolnix/#comment-177113 Fri, 03 Apr 2026 23:34:41 +0000 https://davescomputertips.com/?p=151646#comment-177113 You can easily merge two or more MP4 files into ONE MP4 file along with changing its frame width/height at the same time using VideoProcAI. I save a lot of video tutorials off of YouTube, a lot of which come in Part 1, Part 2, Part 2, etc., sequences and that are in large formats. I combine them into a single file at 640×360 resolution so that I’m not using tons of HDD space.

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