How to merge SRT with MP4

It’s our teacher’s birthday next week. My friends and I created a music video for her. We used the tune of this particular song but changed the lyrics. We want our new lyrics to be shown on the video as subtitle so she could understand our message better. We already have an SRT file for the subtitle but we’re not sure how to put it on the video. Please teach us how to combine SRT files with MP4.

merge srt with mp4

Many videos and movies have subtitles for different viewers to understand the content better, especially if the video is in another language. Some music videos also have these so people can sing along with the song by reading the lyrics. SRT is one of the most common subtitle files. It can be created using any text editor like notepad. If you already have an SRT file that you wish to merge with your MP4 video, there are various ways on how to do this.

In this article, I will give you three methods on how you can combine SRT Files with MP4. Get to know each of these options so you can determine the best choice for you.

Method 1: Use Apowersoft Video Converter Studio to merge SRT and MP4 video

The first option for merging SRT and MP4 videos is using Apowersoft Video Converter Studio. You may download and install this application on your computer. It also comes with a free trial that you can use if you wish to try the software first before spending your hard-earned cash on it. But since this is a great application that offers various features and it’s easy to use, you will surely find the value worths. Merging SRT with any video is simple if by using this tool.


Here are the detailed steps on how to do this.

  1. Open the program and click “Add” to import your MP4 video.
  2. Click “Subtitles Setting”.
  3. Select the box next to “Enable subtitle” to put a checkmark on it.
  4. Click “plug-in” then click the button with three dots next to it. This will let you browse on the different folders in your computer.
  5. screenshot of enabling subtitle

  6. Select your “SRT file”.
  7. Click “OK” then click “Convert” to save the MP4 video with its subtitle.

Aside from adding subtitles, this also lets you convert videos to a wide selection of other video and audio formats. It also comes with a video editor that you can use if you wish to crop, trim or add effects to your movies.

Method 2: Merge SRT and MP4 file with Windows Media Player

Moving on to the second method, you can use Windows Media Player to play MP4 videos with subtitles from a separate SRT file. However, this requires you to download and install SRT and MPEG4 playback codecs. K-Lite Mega Codec Pack contains all these needed codecs so you can download it from web without any cost. You can then place the SRT in the folder where you video is located, you may also rename it so it has the same name as the video. You can play the video using Windows Media Player and it should show the subtitle.

merge SRT in WMP

Method 3: Merge SRT and MP4 file with Xvid4PSP

Last on our list is Xvid4PSP. Like Apowersoft Video Converter Studio, you will open the MP4 video and the SRT file using the application then add subtitle to MP4 video via video encoding. However, the drawback of this method is that the resulted file cannot retain the origin quality which may be affected during encoding process.

merge SRT with Xvid4PSP

Adding subtitles to videos is a great way for viewers to understand the message better. Apowersoft Video Converter Studio is the best option to merge SRT subtitle with MP4 video because it’s straightforward and the subtitle and video are saved in one file. Within this, you can view the video easily on any player without the need of any external files. Windows Media Player requires codecs for it to play the subtitles together with the video. It means that you have to carry the video along with the necessary codec, because Windows Media Player cannot handle them alone. Using Xvid4PSP on the other hand may not require codecs but video quality is not as great as videos merged using Apowersoft Video Converter Studio.

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