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Convert MKV Movie or MKS to SRT Subtitles with Free Approaches
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[Tutorial] Convert MKV Movie or MKS to SRT Subtitles with Two Free and Easy Approaches

Author by Oswald

Update on December 30, 2019

On this page, you’ll learn how to convert Matroska subtitles/MKS subtitles file to SRT, so as to take the advantage of the versatility and wide range compatibility of the later. And if you haven’t extracted MKS subtitles yet and you’ve only got a movie in MKV container, the conversion is also doable.

Recommended by the editor: Here’s a free and clean video converter program that can add subtitles to videos

What is MKS Subtitles File?

Matroska is a known-to-all extensible, open source, open standard multimedia container. And MKS subtitles, a.k.a Matroska subtitles, are subtitles-only files contained within Matroska container with .mks as file extension. Although it is text-based like SRT subtitles, MKS doesn’t show as good compatibility as SRT, and is actually not quite friendly to most mainstream platforms and video formats. To enables to add MKS to your movies correctly with any third-party tool, or adapt it for some further use, converting MKS to SRT is a solid plan. In the following, I’ll introduce you two free and easy methods to do so.

BTW, as far as I'm concerned, many movie subtitles seem a bit overwhelmed (in size) to online subtitle converters that’ll take too much time for the uploading process, not to mention the converting, thus online tool won’t be introduced here.

Hot Posts: Remove Audio Track from MKV, MKV Subtitle Extractor

Method 1. How to Convert MKS to SRT with Subtitle Edit

Subtitle Edit is a free and open-source video editor program with many practical subtitle editing functions, including the one we’ll utilize here: converting Matroska to SRT in a few clicks. It can fast decoded Mastraka coding and transcode the subtitles within to SRT, ASS, etc. with accurate time cues. Now, I’d like to show you how to convert MKV/MKS subtitles to SRT with it.

Hint: Also, for some specific remuxed MKV videos, you can also extract subtitles to SRT with Subtitle Edit OCR. Learn more about Subtitle Edit OCR: SUP to SRT, SUB to SRT

Import MKS/MKV to Subtitle EditImport MKS/MKV to Subtitle Edit

Step 1. Download the latest Subtitle Edit. Save, clean source: https://www.nikse.dk/subtitleedit install and launch Subtitle Edit.

Step 2. Go to “File” tab > Import Subtitle from Matroska(.mkv) file > Add MKS subtitles or MKV video to the program. For videos with softcoded subtitles, make sure the subtitles are turned on and shown properly during video playback.

Convert MKS/MKV to SRTConvert MKS/MKV to SRT

Step 3. Dialogs will be displayed on the left side for you to check out. Customize output format and Encoding, then go to “File” tab again > select “Save as” > customize the destination path and output file name > save the file.

Method 2. How to Convert MKS to SRT with MKVToolNix

MKVToolNix is a free and open-source Matroska libraries and a collection of tools for the Matroska media container format introduced by Moritz Bunkus. Serving for Linux, BSD, Mac and Windows, the program set allows user to merge multimedia streams, list all elements, extract specific parts, analyze and modify properties for their Matroska multimedia containers. Fortunately, thanks to some god-knows-who-but-god-bless-u developer(s), we can get our hands on the easy-to-use MKVToolNix GUI, it’s much easier to convert MKS to SRT with it than command lines.

Configure MKVExtract Configure MKVExtract

Step 1. Download and install MKVToolNix. Safe, clean source: https://www.fosshub.com/MKVToolNix.html

Step 2. Download it’s essential component program MKVExtract at SourceForge: https://sourceforge.net/projects/mkvextractgui-2/ Once the download is complete, decompress the downloaded MKVExtractGUI-2.4.0.0.zip in MKVToolNix folder, then place the extracted MKVExtractGUI2.exe in the MKVToolNix dir so it could run correctly. Now, launch MKVExtractGUI2.exe to start the MKVExtract program.

Extract subtitles from MatroskaExtract subtitles from Matroska

Step 3. This program astonishingly unable to recognized MKS files, we can circumvent that by changing MKS subtitles’ file extension form .mks to .mkv, to trick the program to extract subtitles from “MKV” and convert it to SRT as normal.

Step 4. Run MKVExtractGUI2.exe, load the target MKV file by clicking the triple dots beside the “Input File:” box, then define the output file folder at the “Output Dir:” box beneath. All tracks recognized will be shown in the “Tracks” box below. Select the desired tracks and hit “Extract” to convert MKS or MKV movie to SRT subtitles.

Additional Reading: How to Add Subtitles to a Video without Cost

Learn How to Add Subtitles to Videos with Ease

Add subtitles to a video

Before start, please free downloadfree download the software.

Step 1. Load the Movie Desired into the Program

Launch WonderFox Free HD Video Converter Factory, click “Add Files” button to add the videos you intend to add subtitles to. Then define the destination path at the “Output Folder” box underneath.

Step 2. Add Subtitles to the Program

On the video information bar, click on the button with character “T” > click “Add Subtitles” > select the corresponding subtitles for your video. If needed, go to the output format section on the right side to change video format; If don’t, hit the “Run” button to add subtitles to your video.

The Perfect Solution to your Multimedia Library

The Perfect Solution to your Multimedia Library

WonderFox HD Video Converter Factory Pro

· Convert videos to MP4, AVI, WMV, MKV and 500+ formats and devices

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· Extract subtitles with ease & Softcode subtitles for your videos

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