How to Add Subtitles to MKV Files on Mac and Windows

Cheryl Bennett
May 10, 2023 Preview 664 Preview 0
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I have found more and more mkv movie files, and they play fine in vlc player and has a really nice picture, but it is very rarely that the movie has subtitles, so my question is: is there a program that allows you to add subtitles on a mkv movie file? or should I take the long time and convert it to another file? and if, what file?

At times you may have source of downloaded MKV movies and TV films which are without subtitles or with subtitle in foreign language. To better understand the actors, it’s necessary to add some subtitles to the videos. In this tutorial here, I will describe how to permanently add a subtitle file into a MKV file with iFunia Video Converter.

iFunia Video Converter is an effective subtitle to video converter, which can add subtitles to any video, or convert other video formats to MKV with subtitles, even convert MKV to MP4, MOV and more, also the subtitled movie will play on almost anything, like your computer, Smartphone, portable device, or game console. It also has a built-in player, so you can watch the subtitled movie directly within Video Converter for Mac and Windows.

Free Download macOS 10.11 or later Free Download Windows 11/10/8/7

This guide applies to:

  • Add subtitles to MKV or other videos without changing the video format and quality;
  • Convert MKV with subtitles as well as convert MKV to other video format like AVI, MP4 and etc;
  • Add subtitles to MKV on macOS 10.12+ or Windows 11/10/9/8;
  • Add subtitles to other video format like embed subtitles to MKV, VOB, MPG, WMV, AVI and etc.

Step 1. Import MKV videos to add subtitles

Directly drag and drop the source MKV files to the app. Batch conversions are supported, so you are able to add several video files for converting. You can also add files by clicking the click the Media Browser icon at the upper right corner.

add mkv files

Note: This video converter has a broad format support which enables you to convert videos in MKV, AVI, MP4, FLV, MOV etc. that’s to say, if you want to add subtitles to a movie in a format which doesn’t support subtitle, like AVI, you can use the software to convert the video to MP4, MKV or other proper format and add subtitles to the video.

Step 2. Add subtitle to MKV files

Click the pencil-like icon to edit the video, switch to "Subtitle" tab, it should look like this below.

add subtitle

Selecting embedded subtitle
If you movie comes different subtitles, you can simply click the subtitle drop-down menu to select the internal subtitle available to that film.

Adding external subtitle
If you’ve got a film that doesn’t have any subtitles at all, you can usually find them at websites like and or by simply checking through a search engine to download an external .srt, .ssa, or .ass file.

Note: This app allows you to view the effect in real time.

Step 3. Start converting video

If you want to convert your MKV video to other formats, just highlight the file you want to convert and click the format adjacent to it, a list would show up below which you can choose the format you want. Select the desired output and click the convert button, that’s done!

How to Find and Download Subtitles for Video Files

Get the subtitles from the following popular subtitle provider sites where you can find subtitles for the most popular movies and TV films and the subtitles are available in multiple languages.

Cheryl Bennett
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Cheryl has been writing tutorials, reviews, and how-to articles on consumer apps since 2016. She specializes in multimedia products and is always testing on Mac, PC, and various devices.

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