How to Add and Merge SRT to MP4 Movies

Since there are many devices cannot support SRT subtitles, such as PlayStation, Xbox, and even some DVD players. The SRT format files are not commonly being recognized and decoded by many programs. That is to say, the subs will not show while playing MP4 movies via those platforms. How to fix this issue? The solution is easy that you should add SRT to MP4 videos. But how to combine MP4 and SRT files on computers even Mac? Here, the following methods will help you even if you just want to make your own MP4 movies with SRT subtitles.

Part 1: 4 Best Tools to Merge SRT Files to MP4

While the native software of Windows and Mac systems is not capable of handling the task to embed SRT to MP4 video files, we have listed four best practical tools for how to add SRT to MP4 Mac and Windows. With one of them, you are even able to merge MP4 and SRT online. In some cases, you might have issues working on how to merge files to MKV or other formats.

No. 1 Leawo Video Converter

As the first recommendation, Leawo Video Converter can no doubt be the best among others to add SRT to MP4 files due to several reasons. One of the main reasons is that this program has the ability to support all the MP4 video formats as well as the SRT subtitle format that is not a popular text format. Another reason is counting on the functionality of keeping 1:1 quality maintenance as the output. In other words, users are allowed to enjoy original videos without worrying about any quality loss. In addition, it runs faster than any other converting applications as it can reach the 6 times faster speed. With more and more people are carrying portable devices every day, this converter is able to perform the conversion process directly output to multiple mobile audio and video formats. You are enabled to watch MP4 videos with subs on your smartphones and others. Besides MP4 formats, all the common video and audio files are well supported, amazingly including 4K MP4 and 4K MKV. Of course, users are free to edit and personalize according to own styles. All the parameters are accessible to you, along with many considerate features to enhance the experience like the video preview and 2D to 3D conversion. Meanwhile, it offers two versions for both Mac and Windows users.

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No. 2 EZGIF.com

This is an online serving tool for people who would like to merge MP4 and SRT online. Although it works via the internet, this website has a very organized system to cope with various video editing missions. It is regarded to be as a GIF maker and image editor as the name indicates. People are encouraged to create, apply different effects, optimize, and edit more animated GIFs through this online server. The whole interface is neat to understand while users can easily navigate to embed SRT to MP4 via the certain page link. The toolset contains a series of codecs support like WebM, FLV, 3GP, MOV, AVI, and more. However, it can only be available for the video size less than 100MB. It will fail to upload any videos over 100MB.

No. 3 Format Factory

The Format Factory program was developed as a professional video converter that can show you how to combine MP4 and SRT files without effort. It is totally freeware for transcoding various audios, videos, and image files such as IPG, PNG, ICO, BMP, GIF. The program obtains a wide range of capabilities, including ripping DVD discs to other different file formats, making ISO image files, merging video files into one, etc. But this freeware is also an ad-supported application that it is highly likely the commercials could be super annoying. Unfortunately, this software is only open to Windows systems.

No.4 Handbrake

HandBrake is a video transcoder or converter program intended to both rip and convert video files to work on a number of supported devices. Its biggest advantage is that it is a free-to-use software tool, which also supports the merging of SRT files and MP4 videos. The downside of HandBrake is it does not decrypt DVD discs with encryption. It also does not incorporate a video editor like Leawo Video Converter.

So how do these products compare? Here is a comparison chart:

	Leawo Video Converter	EZGIF	Format Factory	Handbrake
Platforms	Windows, macOS	Internet based	Windows	Windows, macOS
Blu-ray support	√	×	×	×
Blu-ray/ DVD ripping	Supported for both Blu-ray and DVDs	Unavailable	Supports only DVDs	Supported for DVDs
Supported file formats	Over 180	Less than 50	Less than 50	Less than 50
Decryption technology	√	×	×	×
In/built video editor	√	×	×	×
File size limit	Unlimited	100MB per file	Unlimited	Unlimited
Batch processing	√	×	Limited	×
Internal media player	√	×	×	×

Part 2: How to Combine MP4 and SRT Files on Mac

Step 1: Download and install the Leawo Video Converter for Mac.

Step 2: Launch the converter program to load MP4 video files.
Basically, you can simply drag MP4 video files into the interface then the program can recognize multiple media files immediately. Or press the "Add Video" button to browse folders on your Mac and import MP4 videos. Once the loading area shows the input video information, you are good to move to the next step.

Step 3: Add SRT to MP4 videos. All the imported MP4 videos are displayed in the middle of the file panel. In each MP4 video information box, there are several options for making changes to the video. To embed SRT to MP4, click on the "Subtitle" area by the reverse triangle button to add SRT to MP4 files.

Step 4: Choose your SRT subtitle files from the Mac computer. There will be a drop menu popping up with two more options after clicking on the subtitle button. Choose the second option of "Add Subtitles" to have a look at your folders and select the SRT you want to implant. Using this application, you can even make 3D conversions to MP4 videos.

Step 5: Set the format as the MP4 video format. Get back to the main interface, notice the button named "MP4 Video" and press this button to draw out another submenu. Select the "Change" option to access the format panel. As the MP4 formats belong to the common video type, you can easily find it on the first page of the "Format" tab.

Step 6: Designate a directory to save MP4 videos merged with SRT files. Return to the home panel, the only green "Convert" button is right on the same line and next with the "MP4 Video" button. Press the "Convert" option and a converting sidebar will be pulled out. At the "Save to" box, you can set a place to receive the converted files.

Step 7: Initiation of how to add SRT to MP4 Mac by Leawo Video Converter for Mac. The last step is to tap the "Convert" icon at the bottom of the conversion sidebar. The process will start immediately as the converting progress can be observed on the main interface.

Part 3: How to Combine MP4 and SRT Files on Windows

The following solution is using the Format Factory application for how to combine MP4 and SRT files.

Step 1: Download and install Format Factory on Windows computers.

Step 2: Open the program and you should decide the input format as the MP4. Look for the "Video" section where multiple media formats are included. Click on the "MP4" icon from the video panel.

Step 3: Then the window will be shown with "Add File". Choose the "Add File" to have a view of folders, then determine MP4 movies you wish to put on SRT subs. Just a moment, the files would be listed in the file panel.

Step 4: Press the "Output Setting" to get into the video setting panel.

Step 5: In this "Video Setting" panel, you can slide down the setting options and find the "Additional Subtitle". Here you need to take a closer look at the right side of "Additional Subtitle(srt; ass; ssa; idx) ", do not miss the tiny box for entering the folder browser.

Step 6: Select the SRT subtitle files and click the "OK" button to return to the home interface. It could be hard to notice that the "Start" button is right on the main toolbar. Tap the icon to begin the converting process.

Part 4: How to Temporarily Add SRT Subtitles to MP4 during Playback

Sometimes, people just prefer to be a little bit lazy as watching MP4 movies directly with SRT subs can be the best. The solution is well provided by Leawo Blu-ray Player which allows every person to enjoy movies without spending too much time to merge MP4 and SRT online or by software. The detailed instructions are listed below.

Step 1: Download Leawo Blu-ray Player online for free. Install it completely on your computers.

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Step 2: Run the free player to load MP4 movies. The home interface is coming with a button of "Open File" to import all the MP4 files, including other popular media files as well. The program will start playback right after inputting the video files.

Step 3: To add SRT to MP4 movies, let's enter the subtitle setting panel first. Move the mouse to the left corner of the title area, and four icons will pop up for you to get a shortcut menu. Click on the first icon which represents the subtitles to control subtitle parameters.

Step 4: In this subtitle setting panel, choose the "Browse for subtitles…" option to import external subtitles from PC.

Step 5: If you want more settings under control, you can go to the playback setting by clicking on the right corner of the window and tap the "Subtitle" label to personalize font color, style, size, etc.

Part 5: Conclusion

To sum up, it is not difficult to add SRT to MP4 movies with any of the best tools we recommend. One of them ensures the possibility to merge MP4 and SRT online, while another one, Leawo Video Converter furnishes all the advanced technologies for how to add SRT to MP4 Mac. More than that, you will never get bored with this Leawo Video Converter program because it also can function as a powerful photo slideshow maker. Furthermore, Leawo Blu-ray Player is qualified to be the No.1 player supporting both subtitles and MP4 movies with the finest images.