Can Plex Play MKV? How to Solve Plex MKV Playback Issue Easily?

Updated on July 28, 2023

"Does Plex play MKV? I can play MP4 but I can't play MKV on my TV via Plex. What am I doing wrong?" If you are going through the same issue, get the best solution to Plex MKV playback failure here.

As the issue is typically caused by unsupported video codec, download this handy video converter to fix Plex not playing MKV problem at once.

https://www.videoconverterfactory.com/download/hd-video-converter-pro.exe hd-video-converter-pro.exe

Does Plex Support MKV? How Can I Solve Plex MKV Playback Issue?

Q: I am new to Plex and I've barely figured out how everything works. When I access files from NAS, MP4 files play well on my Apple TV. However, it fails to play my MKV files. It loads them just fine with meta-info and all, but when I hit "Play", it just loads for a while before returning to the main screen of the movie. So, can Plex play MKV? What should I do to solve Plex MKV playback issue?

A: According to Plex officially issued "What media formats are supported?", actually, MKV videos can usually be played directly. However, there are times when Plex fails to recognize an MKV video. Reasons can be various. But most frequently, the issue arises due to unsupported video or audio codec because MKV is a container format that holds different codecs for video, audio and also stores different subtitles and other related data. So how to play MKV on Plex without error?

To permanently solve Plex MKV playback issue and play .mkv videos on TV smoothly, the best solution is to convert MKV video to MP4 (Video Encoding: H.264, HEVC (H.265), MPEG4; Audio Encoding: AAC, AC3, EAC3, MP3). Keep reading for more information.

Convert MKV to MP4 to Fix Plex MKV Playback Issue

In order to solve Plex not playing MKV issue, an MKV Converter is needed to convert MKV to both Plex and TV compatible format. With WonderFox HD Video Converter Factory Pro, you can achieve your goal with no effort. This is a very professional and versatile video converter. First of all, it can change video format completely without quality loss, 500+ output video and audio formats are for your selection. In addition, it can directly convert MKV video to TV devices such as convert MKV to Apple TV. Apart from that, it is also equipped with advanced editing functions like remove subtitles from MKV, split MKV files, etc.

Now, free downloadfree download this software to deal with Plex won't play MKV issue.

Tutorial on Convert MKV to MP4 to Solve Plex MKV Playback Issue

Step 1: Load MKV Videos into the Program

Free download Free download, install and launch the MKV Converter on your PC, and open the Converter workplace. Click the "Add files" button to load your unrecognized MKV files or drag and drop them to the software. The software supports batch conversion so that you can add several MKV files and convert them together in one go.

Step 2: Select Desired Output Format

Now, click on the "Click to change output format" section on the right side and choose a Plex-compatible format, such as MP4 or AVI under the Video tab. You can also choose a TV profile as the output format. Click the corresponding brands to choose your TV model.

Under the format image, you can go further with Parameter settings to modify other settings. For example, adjust the video and audio codecs to H.264 and AAC(MP4).

Step 3: Start to Convert MKV Videos

Switch back to the main interface and click on the inverted triangle icon to define the output path. Finally, click on the Run button and start converting MKV videos to fix Plex not playing MKV files.

Join Further: Play MKV on Samsung Smart TV | Can PS4 Play MKV | Play MKV on LG TV | Play MKV on Sony TV

At last...

The above is the whole process of solving Plex .mkv video playback issue. Get the converted MKV video files for transferring to TV via Plex. In this way, you can play MKV files with Plex on TV without problems. Feel free to share this article to help more people deal with Plex MKV playback issue.