3mb offline tool. This video covered the easy and quick way how to combine mp4 and m4a or merge mp4 and m4a with literally no effort, suitable for beginner to advanced user. Best part is it's free, no installation, no hassle! Support drag and drop. br Feel free to share and upload it to other hosting site but I appreciate if you can link to this channel. Thanks. br Tool name: Medlexo, previously known as Eclipse br ...