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FFMPEG Command to Merge & Concatenate Multiple Videos into Single Video File in Terminal
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Jun 3, 2025
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0:00
uh hello guys uh welcome to this video
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so in this video I will show you how to
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merge multiple videos into a single
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video uh using uh
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ffmppg library uh ffmppg is actually a
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command line library where you can
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actually manipulate uh videos process
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them convert them from one format to
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another so in this specific video I'll
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talk about how to merge multiple videos
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into a single video as you can see on my
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screen right here we have four videos 1
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2 3
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4 so I will just write a simple command
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in ffmppg in the command line to
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actually concatenate all these videos
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into a single videos so there is a
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command here i have given the command in
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the description of the video so now we
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have these four videos first second
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third
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fourth and just go to the command prompt
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and just write here
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ffmpg - f and for this we will be using
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the concat filter so so we simply write
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ffmpg then we provide -ashf and we are
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using concat fil uh filter in ffmppg and
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then we provide dash i to provide the
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input file so here we need to provide a
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txt file here so filet txt so this file
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we need to simply create in this uh
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directory right here simply create this
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file here which is
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file so inside this filet
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txt you will simply create this file
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here so just create in notepad simply
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write this format file 1
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mp4 so this is actually the format here
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so you need to concatenate all these
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videos so you first of all write
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1.mpp4 so
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file space then the first video which is
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1.mpp4 and then we go to the next line
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we write the same file
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2.mpp4 like this you will see that so
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this is actually the format file
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3.mpp4 file 4.mpp4 so we repeat this for
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all the four files right here so
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depending upon how many videos that you
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have you simply create a notepad file
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and just write file space 1.mpp4 file so
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whatever is the name right here
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alongside with the extension so this is
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actually the format just create this
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file save this and now we will use this
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file right here as you can see we are
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using it inside our command right here
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ffmppg dash f concat and then we are
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providing this file dash i
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file.txt and after that we are simply
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concatenating it so we don't need to uh
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re re-encode the video so just to copy
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the encoding se settings we simply
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provide this option right here dash
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copy so we are not re-encoding the video
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so this will not take a lot of time and
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then we just need to provide the output
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file name so you can just give whatever
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output file name that you want to give
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here so in my case I just want to give
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output.mpp4 so very simple command you
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simply write fmpp
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fconci file.txt txt we created already
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this file here and then dash copy to
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copy the encoding seconds and then the
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output file name just press enter and
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now you will see all the files you can
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see the command is successfully executed
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successfully
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and the all the four files have been
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concatenated into a merged into a single
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output file right here so if I try to
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open this you will see it is exactly 9
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minutes 53 second you will see that
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so let me turn on the volume as well so
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that I show you it also contains volume
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and just now open your environment with
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FM see it will the C exe so you can see
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we have all these four videos we
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concatenated merged them into a single
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output.mpp4 file right here
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this is 2 minute this is again 2 minute
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this is again 2
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minute this is again 3 minutes so we
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basically concatenated merged all these
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four videos into a single so you can
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actually get the full command i have
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given this article of this stack
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overflow.com where I get this command so
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I have given this article in the
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description of this video so you can
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copy this command as well and just I
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have shown you step by step in this
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video we just need to create this file
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here this is important just create a
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file.txt and this is a format here file
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space the first file name then file
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space the second file name so if you
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have thousands of videos you just uh
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repeat this file space and then you can
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actually
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concatenate multiple videos into a
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single video using this ffmpg command so
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this was a tutorial guys uh thank you
5:30
very much for watching this so please
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hit that like button subscribe the
5:34
channel and also check out my website
5:37
freemediattools.com which contains
5:39
thousands of tools regarding audio video
5:41
and image
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