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How to Add Subtitles to MP4 Videos on PC/Mac Without Changing the Video Quality

How to add SRT, ASS, SSA subtitles to MP4 videos movies on PC/Mac? This tutorial provides you detailed guide.

"Anyone happens to know a good program to add subtitles (.srt files) to downloaded MP4 movies perfectly without having to re-encode the whole movie as I don't want to mess with the quality of the movie."

Two common cases you may find you need to add subtitles to MP4 files: One is you record a MP4 video and want to embed self-created subtitles into the MP4 file to made your own personalized video clip; Another is you may download many favorite MP4 movies or TV series without subtitles or with foreign language subtitles. To better understand and enjoy the MP4 movies, a good solution is to download the right subtitles of the MP4 movie and attach them to the MP4 movie video. A good MP4 subtitles adder comes to help you easily complete the task with no hassle.

Best Tool for Adding Subtitles to MP4 Videos Movies

WinX HD Video Converter Deluxe/for Mac
An all-in-one video converter and editor enables you to add (SRT, ASS, SSA) subtitles to MP4, AVI, WMV, MOV, MKV and many more with original video quality. [100% clean and safe]

Add Subtitles to MP4 - Where to Find and Download Subtitles for the MP4 Videos/Movies

Before adding subtitles to MP4 videos movies, we will firstly provide you some information about where and how to download wanted movies subtitles.

Normally you have two methods to download desired subtitles: One is download movie subtitles from subtitle downloading sites which provide numerous subtitles in different languages, such as Moviesubtitles.org, OpenSubtitles.org, Subscene.com, etc; The other is to download subtitles for MP4 via a subtitle downloader app like Sublight.
>> More about how to free download subtitles for MP4 movies

Easily Add Subtitles to MP4 Videos Movies with Best MP4 Subtitle Adder

WinX HD Video Converter Deluxe is the top choice for adding subtitles to MP4 files. Before merging your preferred external subtitles to MP4 videos, we'd like to provide some basic knowledge of this powerful MP4 subtitles merger to help you learn what it can exactly do for you.

Versatile Functions of the Best MP4 Video Subtitle Adder:

1. Add various kinds of subtitles to MP4 videos, including adding SRT to MP4, ASS to MP4, SSA to MP4, etc. most importantly without changing the MP4 video quality at all.

2. Embed subtitles to MP4 and convert MP4 to AVI, WMV, MOV, MKV, VOB and almost any video format, any device.

3. In addition to attaching subtitles to MP4 file, it also allows you to insert subtitles to many other video formats like AVI, MKV, etc.

4. Besides adding subtitles to MP4 video clips, other video editing features like trimming, cropping, adjusting volume, merging, changing the video audio parameters as resolution, frame rate, bit rate, sample rate, etc. for the MP4 video are also at hand.

5. As an all-in-one video downloader and converter, it can also allow you to download any favorite MP4 videos movies in 8K/4K/1080p/720p HD/SD from YouTube, Vimeo, Dailymotion and over 1000 video sites and then convert them to other video formats devices at one go.

6. Enable you to add subtitles to MP4 on Windows 7 (32 & 64 bit), Windows 10 (32 & 64 bit), Windows 8/8.1 (32 & 64 bit), Vista (32 & 64 bit), XP, Windows 2003, 2000. Mac version supports Mac OS X Snow Leopard/Lion/Mountain Lion/Mavericks/Yosemite/El Capitan (10.11).

Step-by-step Guide on How to Add Subtitles to MP4 Videos

Add Subtitles to MP4
Add Subtitles to MP4

Free download and install WinX HD Video Converter Deluxe on your PC or download its mac version on Mac, and then follow the 3 simple steps to hardcode subtitles to MP4. Here take adding SRT to MP4 for example.

Step 1: Load the MP4 video into the MP4 subtitle adder program.
Run this subtitle to video merger and click "+Video" button on the top-left of the tool-bar or tap the big "+" icon in the middle interface to import the source MP4 video/movie without subtitles. Batch converting is accessible.

Step 2: Add external subtitles to MP4 video.
After setting MP4 as the output format, right click "Edit" button to step into the video editing window. Tap the "Subtitle" icon and tick "Enable Subtitle" option and choose "Extra", then add the external SRT subtitle file to the MP4 video by clicking "Add" button. All settled, click "Done". You could preview the MP4 video with added subtitles.

Step 3: Save the MP4 video with subtitles.
Optionally set a destination folder to save the MP4 video with added captions. Hit "RUN" to start adding subtitles to MP4 videos movies. This smart MP4 subtitle adder will do the rest for you.

Add Subtitles to MP4 - Other Tips

1. Click "Rename" to rename the output MP4 video.

2. You could add several MP4 videos one time and then add subtitles into the proper MP4 videos. Meanwhile, you can click "Merge Output Video" on the right to merge them into one MP4 video file.

3. With its built-in Photo Slideshow Maker, You can customize the image slideshow with background music, adding subtitles and convert it to MP4, AVI, MKV, FLV, etc. to share with family and friends.

4. The added subtitle to MP4 video is Hard Subtitle which means you could not turn it off when watch the MP4 video. >> Know more about subtitle category

Still have problem about adding subtitles to MP4 videos? Please feel free to Email Us >>

Download a professional MP4 subtitle adder also as a powerful video downloader & converter to help you easily add subtitles to MP4 videos movies, download any 8K/4K/HD/SD MP4 videos/movies/music from YouTube and 1000+ sites, and convert any video to 420+ device profiles at a 83x faster real time converting speed.


Donna Peng

Donna Peng's fascination with multimedia began at an early age - shortly after she licked the physical disc and then she's been obsessed ever since. Her decade-long career at Digiarty after the graduation has seen her unmatched expertise in the field of DVD, digital video, software and anything related to home theatre. She is currently fascinated with photography.

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