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Wanna add a subtitle to your own recordings to create your own movie? Or add a subtitle to a foreign movie for understanding the movie better? It’s quite easy to do the subtitle task with iSkysoft iMedia Converter Deluxe for Mac.

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

At the very beginning of the task, something you need to know: not all videos can have subtitle, i.e, if you have some FLV videos, you are unable to attach external subtitles to the video. Those proper video formats for subtitle attachment are MP4, AVI, MKV etc. But with iSkysoft iMedia Converter Deluxe for Mac , the format limitation is nothing. By the way, if you are a Windows user, you can go to get the Windows version here.

add subtitles to mp4

Key features of iSkysoft iMedia Converter Deluxe:

  • Convert videos between any two common formats, such as MP4, MOV, WMV, MKV, AVI, FLV, VOB, etc.
  • Add subtitles or watermarks to your videos before converting them.
  • Trim, cut or crop your videos with built-in editing tools.
  • Extract audio files from videos as WMA, MP3, AC3, AAC, and so on.
  • Download videos from popular online video websites like YouTube, Vimeo, Vevo, Hulu, etc.
  • Easily burn videos to DVD.
  • Perfectly compatible with all Mac OS X and Windows OS, including the latest Mac OS X 10.11 El Capitan and Windows 10.

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User Gudie to Add Subtitles to MP4 on Mac with iSkysoft

mp4 subtitles
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 Media File". Batch conversions are supported.

Note: If you have some videos in FLV, 3GP, AVCHD or other formats which don't support subtitle attaching, you can also use the Mac Video Converter to add subtitles to the video.

add subtitles to mp4 mac
Step 2. Add subtitle to MP4 video

There is a subtitle box next to the thumbnail of the video on the video info bar, you can click it to open a dropdown menu and choose Load subtitle. You can add subtitles in .srt, .ass and .ssa to the videos.

hardcode subtitles mp4 mac
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 the subtitle task

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

Video Tutorial on How to Add Subtitle to MP4 on Mac

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