Stream MKV Files via Amazon Fire TV Stick

Best solution to MKV files on Amazon Fire TV Stick

“Hi there, looking for a solution to MKV files not playing audio on my mums Amazon Fire TV Stick. I have toyed with the idea of converting the 200+ movies I have in MKV format. If this is the best solution could anybody point me in the best direction to do that? I have an i5-4690k so hopefully that wouldn’t take too long. Not sure. Thanks.”

Amazon Fire TV Stick

Features of Amazon Fire TV Stick and format compatibility

The Fire TV Stick is a small, unobtrusive device, around 3″ long and it might work best if your TV is wall-mounted because it plugs directly into the HDMI port. The Fire TV Stick supports up to 1080p, therefore, for those people who only have a 1080p TV, the Fire TV stick is perfectly adequate with a cheaper price. Before showing you how to fix Fire TV MKV streaming issue, first take a look at Amazon Fire TV supported file formats:

Supported Video Formats

Supported Codecs









From above lists, we can see that Amazon Fire TV stick has very limited format compatibility with just few file formats. Unfortunately, MKV is excluded from its supported format lists.

Hot Search: Amazon Fire TV Review | Amazon Fire TV Supported Formats | Watch Blu-ray Movies on Fire TV

Convert MKV for Fire TV Stick playing

To get MKV files played on Fire TV stick, you will need to perform a format transcoding process. Here, you can easily make the conversion with a simple to use application called Pavtube Video Converter (review), which can powerfully convert all MKV files encoded with various different video and audio codec to Fire TV stick playable H.264 AVI, MPEG-4 MP4 or MPEG-4 M4V file formats.
To get better output video and audio quality, you can flexibly adjust the output profile parameters including video codec, resolution, bit rate, frame rate, audio codec, bit rate, sample rate, channels, etc as you like. If the source MKV uses an aspect ratio that doesn’t match with your TV display screen aspect ratio, you can change the output aspect ratio to make it adapt with your TV with the program’s crop function.

Our program is pretty simple to use, it features an intuitive and easy to navigate interface, you can complete the whole conversion process with just few clicks. In addition, it is an ad-free program and doesn’t feature any ads or bundled adware, therefore, just feel free to download and install it on your computer without required to install any unwanted application. What’s more, the program keeps constant update with with perfect support for the new Windows 10 and macOS Sierra and also their previous version, so you won’t get any OS incompatible issue.

For Mac users, you can download Pavtube Video Converter for Mac to fix Fire TV stick MKV playback issue on Mac OS X El Capitan or macOS Sierra.

Step by Step to Convert MKV for Amazon Fire TV Stick TV Streaming

Step 1: Import MKV files.

Download the free trial version of the program. Launch it on your computer. Click “File” menu and select “Add Video/Audio” or click the “Add Video” button on the top tool bar to import video audio not synced MKV files into the program.

Import MKV files

Step 2: Set output format.

Clicking the Format bar, from its drop-down list, choose one of Amazon Fire Stick compatible output format “MPEG-4 Movie(*.mp4)” under the “Common Video” category. You can also choose other formats according to your own needs

Output Fire TV supported file formats

Tips: Open “Profile Settings” window, here all the profile parameters including video codec, resolution, bit rate, frame rate, audio codec, bit rate, sample rate, channels, etc are adjustable to facilitate you to make a balance between the video quality and the file size.

Adjust output profile parameters

Step 3: Adjust output aspect ratio.

Open the “video editor” window, click the “Crop” tab. In the “Crop” window, switch to the “Advanced Mode”. To keep the cropped aspect ratio, there are several aspect ratios for you to choose from, including 16:10, 16:9, 5:4, 4:3, 3:2, and 2:1. Once you select a “Display aspect ratio”, the “green crop frame” will keep this ratio to crop video and you are able to preview the final effect in real time. If you want to keep the same aspect ratio in your final output files, do remember to set the Video “Size (pix)” in “Settings” section as the same ratio as display aspect ratio.

Adjust output aspect ratio

Step 4: Start the conversion process.

After all setting is completed, hit the “Convert” button at the right bottom of the main interface to begin the conversion from MKV to Amazon Fire TV Stick supported format conversion process.

When the conversion is finished, click “Open Output Folder” icon on the main interface to open the folder with generated files. Then you can smoothly stream converted files to your HD TV Amazon Fire TV Stick.

Further Reading:

Stream Local Video on Fire TV with VLC via USB drive
Stream and Play 4K Video on Amazon Fire TV 2
Easily play MKV, M2TS, VOB, Tivo, FLV, MPG to Amazon Fire TV
How to transfer iTunes M4V Movies to Amazon Fire TV 2?
Top Foundry – Does Plex run at 4k on the Amazon Fire TV 2?
All-in-One Guide: Transcode MKV to New Amazon Fire TV via Plex
Watching Blu-ray movies on Amazon Fire TV via Plex Server on Synology

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