Summary: The Amazon’s Kindle Fire HDX does not natively support AVI video files playback. To get the work done, you may have to convert AVI to MP4 videos for Kindle Fire HDX first. Here is a simple how.
Source:Enable Kindle Fire HDX to Play DivX/Xvid AVI files
The 7-inch and the 8.9-inch new Kindle Fire HDX tablet are both really cool stuff to enjoy the videos. However, if you’ve taken a glance on the supported media types of the Amazon Tablets, it's easy to find that the Kindle Fire HDX video format (MP4, M4V, VP8(.webm) video formats is supported) is limited as other tablets like Nook HD Tablet. Thus, sometimes you may some AVI playback problems on Kindle Fire HDX: some avi files playback without sound, some avi files even can't be recognized.
Why AVI video files won't play on Kindle Fire HDX?
The reason that you can’t view AVI video files on Kindle Fire HDX is simple. AVI is a container format which can include different codecs. Some of the codecs may not compatible with Kindle Fire HDX, so you'll have hard time when playing AVI movies on Kindle Fire HDX, even with some popular Android video players like MX player, Mobo, etc.
What If we want to play AVI files on Kindle Fire HDX
To get the work done, you may have to convert AVI to Kindle Fire HDX compatible video formats (e.g. H.264 MP4) first and then transfer the result videos to your tablet. For rewrapping AVI files for Kindle Fire HDX, you can get Brorsoft's Video Converter (or the Mac version)- a top Kindle Fire HDX video converter which is easy to use and produces excellent results. Just download it and follow the steps below to transfer AVI files to Kindle Fire HDX for playing smoothly.
How to Convert AVI files to MP4 videos for Kindle Fire HDX Tablets
Note: The quick start guide below uses Video Converter Windows screenshots. The way to convert AVI videos to Kindle Fire HDX on Mac is almost the same. Just make sure you get the right version according to your computer operating system.
Step 1. Install and launch the best AVI to Kindle Fire HDX Converter, and then click "Add Video" or "Add from folder" or just drag and drop to import your source AVI materials.
Step 2. Click the format bar to select Android > Amazon Kindle Fire HD H.264(*.mp4) as output format for your 7-inch or 8.9-inch Fire HDX tablet.
Step 3. Set Output video quality
Most folks are looking forward to the best format setting for Kindle Fire HDX. The supported resolution of the Kindle Fire HDX goes up to 1080p, though video playback and most apps never break out of 720p. For watching videos on the Android based Tablet, 720p video size with 1500~2000kbps bitrate is just all right. You can customize the parameters via clicking the Settings icon on the main interface.
Step 4. Press the “Convert” button, begin to convert avi videos to Kindle Fire HDX.
Once the process completes, locate the files and transfer and copy the converted MP4 videos to your Kindle Fire HDX tablet. In this way, you can effortlessly watch all AVI video files on Kindle Fire HDX 7 or 8.9 tablet.
If you have other media files like DVD, Blu-ray library, MKV, MTS, MPG, VOB, TiVo, etc HD videos for transferring to Amazon’s new Kindle Fire HDX, you can try the package tool Brorsoft’s Blu-ray Video Converter Ultimate or the iMedia Video Converter for Mac users.
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