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How to Merge (SRT, ASS, SSA) Subtitles to MP4 Files


Subtitles help viewers, who cannot understand the language, to follow the dialog. As a result, you'll need to attach subtitles of your preference while appreciating a foreign movie, unless you know the language. Now in this article, we share your with tow options to add subtitles to MP4 for both Mac and Windows users.


A. Download Subtitles
B. MP4 Subtitle Software

A. Before you can turn on subtitles for a video, you'll need to find and download a subtitle file that has been synced with that particular video file. When looking for subtitles, we recommend these two sites:

Subscene - My personal favorite. Unless the movie or TV show you're trying to watch is underground or decades-old, it's almost guaranteed that you'll find subtitles that work. Subtitles are categorized by title, language, and whether or not they include hearing-impaired cues.

OpenSubtitles - This database is pretty big and the subtitles do work, and you'll even find some that can't be found on Subscene, but beware that this site is heavy on the ads. Grabbing subtitles here can feel like a game of elimination as you try to figure out which download links are the right ones.

Searching for more subtitles from the Top 5 Websites to Download Subtitles.

B. There are countless tools that can help you add subtitles to MP4 on the market. So which one should you choose? Here we'd like to share a freeware Handbrake and then a professional video converting software Brorsoft Video Converter.

Part I. Add Subtitles to MP4 with Handbrake

HandBrake is a tool for converting video from nearly any format to a selection of modern, widely supported codecs. Besides transcoding, Handbrake supports more features. One of high features is adding subtitles(VobSub, Closed Captions CEA-608, SSA, SRT ) to your source videos or movies.

1. Open Handbrake and choose the source.


2. Open the Subtitles tab and click "Add external SRT" button.


3. You could add more than one subtitle to the movie by repeating the above process.

4. If you prefer to attach subtitles to a movie file as hard subtitles, check the "Forced Only" box next to the file.

5. Choose the desired format from the side window.

6. And click "Start".


Part II. Attach Subtitles to MP4 with Brorsoft Video Converter for Mac

Besides converting between various video or audio formats, this video converter app also can help you to add subtitle to videos. It supports attaching may kinds of subtitles to mp4 video like in .srt, .ass, .ssa. It also helps to set the subtitle size, subtitle style, etc according to your preference. Aside from adding sub to mp4, it also can add watermark/effect/audio track to mp4, trim mp4, crop mp4, merge mp4s and etc. Moreover, all the above functions also apply to other video formats like MKV, AVI, MPG, WMV, MOV, 3GP, VOB, FLV. To add subtitle .srt to mp4 video file on Windows PC, try Video Converter.

Step 1. Import mp4 video

Click "Add" button to import the mp4 video file which you want to add subtitle .srt or .ass/.saa to. Or simply drag and drop the mp4 video into the interface of program.


Step 2. Embed subtitles into mp4 video

Click on "Edit" button, the video editor will pop up. Tap "Subtitle" option and check the "Enable" icon. Then, by clicking on "Browse" to import your *.srt, *.ass, *.ssa subtitle file you've downloaded. After the subtitle is loaded, you can preview it.


Tip: You can change the subtitle size, style, font if necessary. When everything is done, simply click "OK" button. Plus, you can also add watermark, apply effects, and crop, trim your mp4 files in the above video editing window.

Step 3. Start adding subtitles to .mp4

If you need convert the MP4 video files to other formats, you can select a format from the Output Format before the conversion. Or just keep MP4 format. Then click Convert and the rest will be finished automatically.

After the conversion, the subtitles file will be embedded into the output mp4 video. Now you can play your mp4 files with subtitles anywhere.

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