MP4 Tips and Tricks

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How to Add Subtitles to MP4 on Mac OS X El Capitan

December 10 2015 , Written by Bonnie Published on #add subtitles to map4, #create movie, #import mp4 files

Outline: Wanna add a subtitle to MP4 recordings to create your own movie? It’s quite easy to do the subtitle task with iFastime Video Converter Ultimate for Mac.

Supposing you have a truckload of downloaded MP4 movies in foreign language, you can easily find subtitles in your MP4 movies, however, it is still not enough to cover every language, and the devoid of subtitles in these movies drives you on the verge of collapse. Mostly you need to add external subtitle to video manually. From this article, you will learn more about how to add subtitle to MP4 video on Mac OS X El Capitan. The method surely applies to other video formats, such as AVI, MKV, WTV, WMV, Blu-ray, VOB, MPG, MOV, DV, and etc.

After getting subtitle files from internet (most of subtitle files are with .ass and .ssa file extension.), to load your desired subtitles to any format movie you have, we highly recommended  Pavtube Video Converter Ultimate for Mac, which enables you to embed external subtitles(*.srt and *.ass, *.ssa) to MP4 files in an effective way so that you can enjoy your MP4 videos with subtitles. 

With it, you can add subtitles to MP4 video for either saving to a video file to play virtually anywhere, or burning to DVD for watching on TV. All will be done software. No installation of third-party tools is needed. Besides subtitles, you can also add watermarks to your MP4 videos before converting them. And trim, cut or crop your videos with built-in editing tools. Meanwhile, you can extract audio files from MP4 as well as WMA, MP3, AC3, AAC, DVD, and so on. Perfectly compatible with the latest Mac OS X 10.11 El Capitan. Read review to learn more.

If you are running on Windows PC, turn toPavtube Video Converter Ultimate and the steps are the same. Please make sure you get the right version. Below is the guide for you.

Free Download or Purchase Pavtube Video Converter Ultimate for Mac:


Other Download: 
- Pavtube old official address: 
- Cnet Download: 


Best Tool to Add Subtitles to MP4 Videos on Mac OS X El Capitan

Step 1. Import the source MP4 files to the Mac Video Converter

To add the source videos, you can drag & drop your files directly to the Mac app, or head to "File" menu and choose "Load File". Batch conversions are supported.

add mp4 video

Step 2. Add subtitle to MP4 video

Click the "Edit Selected task" button to open the subtitle loading and editing window. Tap "Subtitle" option and check the "Enable" icon. Then, by clicking on "Browse" to import your subtitle file you've downloaded. After the subtitle is loaded, you can preview it. When everything is done, simply click "OK" button. Plus, you can also add watermark, apply effects, and crop, trim your Christmas movie files in the above video editing window.

how to add srt ass ssa subtitles to mp4 video

Step 3. Choose the output format

You can keep MP4 as your output format or choose other formats. The default output format set by the Mac app is iPhone MP4, if you wanna a change, open the format list by clicking the format icon on the video info bar and customize the output format. There are some optimized presets for popular devices and apps like iPhone 6S/6S Plus, iPad Pro, iPod, iMovie, HTC, Sony PSP and more.

Step 4. Start adding subtitles(*.srt and *.ass, *.ssa) to .mp4

Now hit on "Start conversion" at the right bottom of the main interface of the video converter, and the rest will be finished automatically.

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