How combine subtitles with MKVToolNix?

Thankfully, with MKVToolNix, you can embed any subtitle file (or many of them) to a single movie file. To do this, first add the movie file to MKVToolNix. Then add the subtitle file as well. You will see the format and other important information of the subtitle file on the bottom window of the app.

Does MKVToolNix work with mp4?

mp4 or . mkv ,it’s just a container. Since MKVToolnix doesn’t actually recode anything, you’re not “converting” anything. The software is practically used to mux/demux audio/video streams,subtitles,chapters,etc or apend multiple files or split them (e.g. split by sizes or extract by specific timecodes).

How do I use MKVToolNix?

Remux your File to MKV

1. Open the MKVToolNix application (it may show up as an “mkvmerge” executable on some operating systems):
2. Find and Add files accordingly:
3. Select and Edit Tracks Accordingly:
4. Make sure you are saving the file in the right place & Start Muxing .

Can you use MKVToolNix for MP4 subtitles?

If you aren’t opposed to MKV containers, then there is no reason you can’t just take the input mp4 and separate subtitle file and mux all the streams into a new MKV file instead. This would also keep the SRT as an SRT and not transcode it into mov_text.

How to create mkv files with MKVToolNix?

Once you have all the necessary options set for your streams you can use the Start Muxing button to tell mkvmerge to begin. A Status and Progress window will appear and show you what’s being done, as well as any warnings or errors in the muxing process. When it’s finished you have a MKV file with copies of your source video and audio inside.

What do you mean by batch muxing in MKVToolNix?

I’d like the GUI to be able to do XYZ automatically on a bunch of files. With “batch muxing” users usually mean doing similar steps with a bunch of files without having to create a job for each individual file. Sorry, but such a feature will never be implemented in MKVToolNix GUI itself.

What does it mean to Mux A MP4 file?

Muxing a file simply means to extract individual streams out of existing container files or mix existing streams together into a new container file. For MP4, this can be done with ffmpeg and the -c copy switch. If you don’t want to write command line inputs, XMedia Recode is a good, free GUI for ffmpeg ( only available for Windows ).