Plex MKV Solution – How to Play MKV Videos in Plex Media Server

Brittany Garcia

February 07, 2024 15:51Updated by to Play Video

"I have a diverse library of video files in MKV format, which works well with the media players on my Windows. But I cannot open the MKV files in Plex Media Server, it stops and goes with buffering and reloading message, how to fix the problem?"

Can Plex play MKV? MKV is a favorite video format with video, image, photo, subtitle, and more other files. But MKV is not a compatible video format of Plex Media Server. What are the best ways to play MKV videos in Plex Media Server? Just learn more details from the ultimate guide from the article.

Plex Play MKV

Part 1. Can Plex Play MKV

Generally speaking, the answer can be YES. Plex natively supports MKV files with the following video and audio codecs.

Video codecs: H.264, HEVC (H.265), MPEG-4, MSMPEG4V2, MSMPEG4V 3, VC1, VP9, WMV3

Audio codecs: AAC, AC3, ALAC, E-AC3, FLAC, MP3

Moreover, Plex also supports video formats like containers of ASF, AVI, MOV, MP4, MPEGTS, TS, MKV, WMV, etc. for direct playback. As for Plex’s preferred video format, it can be the MP4 container with 1920x1080 resolution or even smaller. Meanwhile, the video encoding should preferably be H.264 (level 4.0 or lower).

So, if you want to know how to play proper MKV files on the Plex Media Server, you can follow the steps below.

Step 1.Enter Plex’s website with your Plex Media Server account, and continue logging in.

Step 2.Acquire and download the Plex client on your computer. When the installation finishes, launch it.

Step 3.Find an individual folder or section for your MKV videos on your storage device. Then, transfer the MKV files to this folder and include these files in your Plex library. Plex Media Server will immediately detect them.

Step 4.After you add the MKV files to the Plex library, you can view them on any other devices by logging in Plex account with ease.

Play Video on Plex

Part 2. Why Plex Won’t Play MKV

To analyze this problem, it can be caused by various reasons. You can consider the following factors to solve your Plex MKV playback issues.

To solve this issue, you can try the following solutions

Solution 1. Distinguish the MKV files with their types into the respective folder, like movie or television content. The Plex can better scan your major types of content that are separated from each other.

Plex MKV Separate Types

Solution 2. Rename your MKV files with proper and clear information. This will help the Plex scanner look up MKV file information easily. For example, if you want to name a movie, its name should have the file type(movie or television), the movie’s name, and the movie’s released year. Like: /Movies/MovieName (release year)/MovieName (release year).mkv

Plex MKV Rename MKV File

Solution 3. When the MKV file misses some information or the MKV TV show splits up, you can try to edit MKV metadata as well. Launch Plex’s web app and locate your issued MKV file. Click the pencil icon at the bottom left corner, it will help you edit the MKV’s title, sort, summary, background, etc.

However, using the solutions above still can’t solve the problem thoroughly. Because they are a little bit complicated, and Plex just can’t support some codecs. Hence, converting MKV files can be your ultimate solution to play them on Plex.

Part 3. The Ultimate Way to Play Any MKV Files in Plex

When you need to convert MKV to Plex compatible formats, Video Converter Ultimate enables you to turn MKV into the optimal Plex video format. It also enables you to adjust the video codec, frame rate, bitrate, and more other parameters. Choose and add the desired subtitle/audio track for the output format. Moreover, you can compress the MKV files, enhance the video quality, and apply video filters.

Video Converter Ultimate
Video Converter Ultimate
  • Convert MKV to MP4 with H.264 and HEVC video codec.
  • Tweak the video/audio codec, bitrate, sample rate, and more.
  • Choose the desired audio track as well as the subtitle for MKV.
  • Provide advanced editing features, such as crop, trim and merge.

Free Download

For Windows

Secure Download

Free Download

for macOS

Secure Download

Step 1. Launch the video converter ultimate after installation. Go to the Converter menu and click the Add Files menu to import the MKV files. It enables you to process multiple MKV files to Plex Media Server compatible formats within a batch process.

Add File

Step 2.Click the Convert All to option at the top right side to trigger the format dialog. Go to the Video tab and select the MP4 format. After that, you can click the Gear icon to choose the H.264 or HEVC as the video codec. Moreover, you can also tweak the audio codec.

Select Plex Suppported Format

Step 3.Set the output folder at the bottom left side. Click the Convert All button to begin converting MKV to Plex Media Server formats. You can get a converted MKV file fully compatible with Plex. Then transfer the file to Plex Media Server.

Convert All

Part 4. How to Stream Converted MKV to Plex

Once you have converted MKV files to the Plex Media Server compatible formats, how do you stream the video to Plex? When you want to transfer the files to the media server, here is the detailed process.

Step 1.Sign in your account for Plex Media Server on the website, and then download and install the client on your computer. Launch the media server to play MKV files.

Step 2.Create a folder or drive partition for the converted MKV video. Then transfer and move MKV files to your Plex library. It will detect the MKV files in the folder.

Step 3.After that, you can sign in to the Plex account on another device to play MKV on Plex. If it still does not detect MKV videos, click the plus icon next to Libraries and add the media type.

Plex Media Server

Part 5. FAQs of Playing MKV on Plex Media Server

Wrapping up

Based on the sharing above, we think you already have understood the related answer, reasons, and solutions of can Plex play MKV. You can simply convert your MKV files to MP4 with the Plex compatible video codec. Moreover, there are more solutions to fix the MKV videos not working in Plex Media Server. If you have any query, you can feel free to leave a comment in the article.

Select the product rating:
Rating: 4.9 / 5 (based on 307 votes)

More from Blu-ray Master