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How to Add Subtitles to MKV Videos with a Few Clicks

Author by Annie

Nov 23, 2018

Are you still worried about your foreign movies without subtitles? Indeed, it is such an inconvenient thing to watch a facilitating foreign movie without any subtitle. But a movie cannot cover all languages, so, to know how to add subtitles is an important thing for movie lovers. Here in this article, I will elaborate on how to add subtitles to MKV with some online methods and also introduce to you a free multifunctional subtitle adding tool:

The other day, my friend sent me an MKV movie file and asked me if I have any idea on how to add English subtitle to this foreign movie. It is as easy as pie for me. I added the subtitle to this MKV movie immediately and sent it back to him. Then, I told him the way to add subtitles to MKV and other movies. If you have the same needs, I would like to share two handy ways to free add SRT to MKV and other movies without any trouble.

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If you want to add subtitles to videos, the first thing is to download the needed subtitles. Here, I will give you two websites for downloading subtitles: Subscene and OpenSubtitles. Of course, there are many common subtitle formats, such as SRT, ASS, SSA, IDX, SUB, etc., and among all the subtitle formats, SRT is the most frequently-used one. So in the following parts, I will show you how to add SRT to MKV and other videos.

Method 1. Add Subtitles to MKV Permanently with the Functional Software

This is my favorite and most frequently-used method of adding subtitles to MKV and other videos. Once I have the need to add subtitles, I will turn to Free HD Video Converter Factory for help, and it will never let me down. It can successfully add subtitles to videos with a few clicks without changing the original quality. Of course, if I have to remove the subtitle from MKV, Free HD is my best helper. Now you can give it a free try!

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How to Embed Subtitles into MKV at One Go

Before we start, just free downloadfree download Free HD Video Converter Factory and install it on our computer.

Note: This product supports .ass and .srt subtitle formats.

Import the MKV Files to the Software

Step 1. Import the MKV Files to the Software

To add subtitles to MKV, first, launch the subtitle adding tool. Then, click Add Files button to batch import all your desired MKV files to it. Or you can directly drag and drop all the MKV files to the main interface.

Merge SRT with MKV Files

Step 2. Merge SRT with MKV Files

After importing all the MKV videos, the next step to add SRT to MKV is to first click the “T” mark to open the folder where you save the downloaded subtitles. Then, choose the right subtitle and click Open to add the subtitle to the MKV file. You can also preview the output video by clicking the video on the left after you add subtitles to it. Just follow the above steps to add subtitles to other MKV files. After that, click RUN button to finish the process.

Free HD Video Converter Factory allows you to convert videos/audio to more than 300 formats and devices. For example, you can convert MP4 to MKV, convert AVI to MKV, and etc. If you have any conversion need, just try Free HD.

Method 2. Merge SRT with MKV with Online Tool

How to Hardcode Subtitles MKV OnlineHow to Hardcode Subtitles MKV Online

Some people prefer to directly add subtitles to MKV online, but online tools have some flaws, such as the limits on video size and video formats, the uploading and downloading speed, which are what you need to pay attention to. Here, I will take one online tool as an example and show you how to add subtitles.

Step 1. Go to and load local videos.

Step 2. Select SRT file to upload > click the “Add Subtitles” button > after that, download the video with subtitle.

Online vs Offline. Which One is the Best Tool for Adding Subtitles

Online tools usually support few video formats, and the uploading speed is extremely slow. So if you need to add subtitles to more videos, the best way is with an offline subtitle adding software, and Free HD Video Converter is here to help you. In addition to adding subtitles to MKV and other videos, Free HD is an almighty video converter, enabling you to convert videos to more other formats, even to audio, such as converting MP4 to WAV, converting WMV to MP4, etc. Also, it is good at downloading videos and audio from over 300 websites. For example, it can download YouTube videos, download Facebook videos, download Instagram videos, etc.

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HD Video Converter Factory Pro is the updated version of Free HD Video Converter Factory. In addition to the basic downloading, editing and conversion function, it can convert 4K & HD videos, letting you enjoy higher definition videos. Also, its batch processing, 50X speedup conversion, lossless compression, and built-in ringtone studio make it a more overall video/audio converter and downloader.

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