Tips to enable videos for playback on Roku 3 without limits

The Roku 3 is the best streaming-video box yet, earning CNET's Editors' Choice Award for the category. Known for its simplicity, variety of entertainment choices, and exceptional value, Roku 3 offers users an opportunity to embrace multimedia and take streaming to the next level.


Roku 3 could choose what you want to watch instantly, but it is limited to supported video/audio formats.

Supported Video Formats:

MP4 (H.264), MOV (H.264), MKV (H.264), ASF/WMV (WMV9/VC1)

Supported Audio formats:

MP3, AAC, Dolby Digital (MP4, MOV, and MKV pass through only), DTS (MKV pass through only)

In order to enable AVI, XVID, H.265/HEVC, MKV with 5.1 audio, MXF, FLV, and more video files for playback on Roku 3, this article below offers a simple solution.

How to free play videos on Roku 3?

1. Remux AVI Videos

A lot of AVIs use an MPEG-4 Video (XVID) stream and can be put into MP4 container without transcoding process.

This process is called remuxing and it cuts down on conversion time without damaging the original video quality. To remux AVI video, we can use Avidemux, which is available for Windows, Mac and Linux computers. If you're using Mac OS X Lion, download Avidemux 2.5.4 and refer to these steps to get it running.

Open Avidemux and browse to your video file. Use the following configuration (in the left sidebar):

  • Video: Copy
  • Audio: AAC
  • Format: MP4

Press save and enter a location and filename for your new video file. Don't forget to add the .MP4 extension. After Avidemux has remuxed your file, it's ready to be played on your Roku; both over USB and using Plex' Direct Play feature.

2. Stream MKV with 5.1 Audio

Most MKV files have a 5.1 surround sound audio track, but this kind of audio track would be damaged or lost on Roku 3. Wither remux MKV files and convert audio track with MKVtools for Mac OS X and XMedia Recode for Windows, or transcode MKV files with Plex, either helps with MKV playback on Roku 3.

3. Transcode with Plex

Plex is one of the most effortless ways to enjoy your media on the Roku. Enable to transcode videos with Plex for Roku 3, you need:

Step 1: Set up a Plex media server on your computer, and install Plex channel on Roku.

Step 2: make sure the videos are accepted by Roku 3, and then simply transcode media.

4. Converting Video for Roku 3

If you cannot find answers to your video files from above three categories, you can give this a shot. Pavtube Video Converter Ultimate is a great choice of converting H.265/HEVC, MXF, FLV, and more videos into Roku 3 compatible format. What's more, you are allowed to edit video clips, such as trimming, cropping, splitting, merging into one file, adding subtitle, etc.

Step 1: Add video into Pavtube by clicking the "Add video" button.

Step 2: Choose H.264 MP4 as output video format for Roku 3.

Meanwhile, customize video and audio parameters like if necessary.


Step 3: Hit on the "Convert" button to start converting video to Roku 3 MP4.

When the conversion is done, open output folder and transfer videos to Roku 3 for viewing.

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