Free HD Video Converter - Easily Add Subtitle to Video.
JennyRecommended by the author

A Handy Guide: Add Subtitle to MP4 - How to Add External SRT & ASS Subtitle to MP4

Here’s a simple handy guide for you to add subtitles to MP4, AVI, MKV, any other video formats and add subtitles to movie. You can also use this subtitle joiner to add subtitles into videos instantly:

Updated on Jan 21, 2021


by Jenny

Add subtitle to video

The Best Solution to Add Subtitle to Video

Free HD Video Converter Factory is well-known free software. With it, you can add subtitle (SRT/ASS) to MP4 and other videos in one step. This free program also enables you to easily remove subtitle.

What Are Common Subtitle Formats?

Subtitles are always shown as the text word of the dialogue or commentary in movies, TV programs, video games, music videos, etc. Most subtitles consist purely of text characters since text is surely the simplest data to be stored and compressed. There are many more common subtitle formats such as SRT, ASS, SSA, IDX, SUB and more. And SRT is perhaps the most text-based of all.

Add MP4 subtitles to foreign-language film

Add MP4 subtitles to foreign-language film

While many people I know are not used to watching DVD movies with captions, including myself, under certain circumstances, subtitle is still very useful. You may have some collections of foreign-language DVDs as there are definitely many fabulous films from other societies. With subtitle files, you can probably get a better understanding of the film story and mood. Moreover, learning a foreign language when watching movies with subtitles is much easier to get the point.

There are many excellent films being released or coming up every year, for instance, this year, we have The Mole Agent, Two of Us, True Mothers, The Man Standing Next, etc. Just go to sites like Cinemablend, Hollywoodreporter and Screenrant for the popular movie news.

You can easily find subtitles in your DVD movies, however, it is still not enough to cover every language, let alone TV programs or videos. Mostly you need to add external subtitle to video manually. So this article will show you how to add SRT to MP4 with some simple methods that can not only apply to add subtitle to MP4 video but also other video formats.

3 Ways on How to Add Subtitles to MP4

Method 1 - Embed Subtitles Permanently

If you want to watch the subtitled video on various devices, including your computer, smart TVs and your portable devices at anytime anywhere, you'd better turn to this free solution- Free HD Video Converter Factory. And frequently asked subtitle issues can also be solved with it, like Samsung TV subtitle problem, HandBrake subtitle not working, etc.

How to Embed SRT to MP4 Permanently with the Freeware

Note: This tutorial also applies to any of the followings:

#1.Add SRT file to MP4 without re-encoding and keep original quality.

#2. Add SRT to MP4 while converting MP4 to other video formats like AVI, WMV, MKV, MOV and embed subtitle to VOB, MPG, FLV and more.

#3. Embed SRT into MP4 on Windows 10/8.1/8/7, and lower versions.

By the way, if you are looking for solutions to download YouTube subtitles, our editors are here trying to teach you the best way: Best Solution to Download YouTube Subtitles>>

OK, let's come to the point. Preparation: Free Download and open this free HD video converter. The interface is intuitive and clean.

Step 1. Import Videos into the Software

Go to "Converter", then press "Add Files" to import the MP4 file that you want to add subtitle to. Or simply drag and drop the file into the software.

Add video

Add video

Step 2. Add Subtitle to MP4

Click the "+" button to browse and import the SRT subtitle you've downloaded.

Preview the subtitle

Preview the subtitle

Step 3. Choose the Output Format as MP4

Select MP4 format in the expanded list of Output Format to embed SRT to MP4 format.

Tips: It offers you numerous video output formats even like H.265 and VP9 video, AVI, MOV, VOB, TS, etc and at the same time covers almost all devices like smartphone, tablet, 4K TV, PS4 and so on. That is, you don't have to set optimal formats or parameters for your phone, because this program has preset the optimized profiles for better visual experience and smaller size to free up the storage space on the devices.

Supported formats

Supported formats

Step 4. Start the Conversion Process

Set your destination folder and click "Run" button to start adding subtitle to MP4. After done, open output folder to check out your subtitle-embedded MP4 video file. With the same steps, you can not only add SRT to MP4 but also MKV, AVI, MOV, VOB, etc.

Hot Search: How to Remove Subtitles from MKV, MP4, AVI | How to Extract Subtitles from MKV | How to Add Subtitles to DVD

MP4 SRT Subtitled video

MP4 SRT Subtitled video

Achieve More with This Freeware

1. Convert videos from SD standard to HD and reduce HD video size with high quality kept.

2. Download hot videos from YouTube and other 300+ websites. And you’re able to select output quality and size before downloading task starts.

3. Do video editing and customize videos by changing resolution or modifying aspect ratio based on your preference. Feel free to add special effects to videos, split videos to get the part you want or merge multiple videos clips into one.

P.S. If you want to merge subtitles with video in batches as well as compress 4K video file size. Learn more about HD Video Converter Factory Pro.

Now, please download the Free HD Video Converter Factory to complete your jobs.

Strongly Recommended: Enjoy DVD Movies with Different External Subtitles

Want to add or hardcode external subtitles to a DVD to fulfill all kinds of purposes? For example, you need to learn foreign language by watching foreign DVD movies or get a deeper understanding of such DVD movies with external subtitles. Whatever your purpose is, WonderFox DVD Ripper Pro can do this job for you perfectly.

Method 2 - Rename Subtitles

Rename Subtitles in the Same Folder

Rename Subtitles in the Same Folder

1. Create a new folder.

2. Drag both the MP4 video file and SRT subtitle into the same folder.

3. Rename subtitle file as the same name as the video file.

4. Play the video with your media player.

Note: For instance, if your video is named "Legends.of.Tomorrow.S05E01.2020.mp4", the subtitle should be "" or other subtitle format extensions. Then add SRT file to MP4 by putting them in the same folder.

Method 3 - Load Subtitles

Load Subtitle in VLC

Load Subtitle in VLC

But for some special video and subtitle formats, method 2 might not work very well. So you can load subtitles via media player while playing videos. Here we take frequently-used VLC for an example.

1. Play your MP4 video file with VLC.

2. Press "Subtitle" on the menu bar and choose " Add Subtitle File".

3. Load subtitle file you've downloaded.

With the help of the 3 methods, you can successfully add subtitle to MP4. But if you want to combine subtitle and MP4 and watch the video with subs on more gadgets, not only on your computer, method 1-the freeware is highly recommended. Let alone, you are supported to do more.

Top 5 Subtitle Sites for Your Digital Movies, TV Series or Music Videos

Bonus Tip: If you need to find external subtitles so as to add subtitle to MP4, here I list 5 reputable sites to download SRT subtitles for free. Just make sure your searches are precise in relation to quality and language.

1. Subscene


Subscene is an international subtitle site for films and TV series. Just type the right name and title, you can get many search results with multiple languages subtitles for mp4. Subtitle filter is more helpful for your preferred language.

2. OpenSubtitles


OpenSubtitles is an open multi-language subtitle database. It is one of the best and certainly the most visited subtitle website. Advanced search enables you to find what you need much faster.

3. Addic7ed


Addic7ed is one of the popular sites where TV shows and movies subtitles can be downloaded for free. They aim to provide fast and quality subtitles for your favorite TV shows and movies. It's currently down for maintenance, please stay tuned.

4. Moviesubtitles


On Moviesubtitles, you can find subtitles for the most popular movies and TV films. Subtitles are available in multiple languages. All subtitles here are packed with WinZip.

5. YIFY Subtitles


YIFY Subtitles aims to help you find and download the subtitles you need quickly, without having to avoid popups and struggling hard to find the download button among ads. It's also one of the largest and well-known sites with high reputation.

Hope you have successfully solved the subtitle problem and know how to use SRT files with MP4 after reading this tutorial.

More Special Features of Free HD Video Converter Factory

  • Provided with a built-in video editor
  • Various media formats, optimized profiles for 300+ hot devices
  • Download video from YouTube. Freely select output video size before downloading
  • Fastest conversion speed, 30X speed up supported
  • Can compress video with the best quality but the smallest size
  • Extract soundtracks from film/video
Knowledge Promotion Time: just feel free to share this useful tip with others!
More Related Articles You May Like
Add Subtitle to MP4