H.264 is a modern video format (ask Steve Jobs). Actually, almost all tablet, the most popular mobile device, support this video format, such as BlackBerry PlayBook, iPad 2, Motorola Xoom, HP TouchPad, etc. We write this tutorial with the purpose of giving you some suggestions about how to convert MKV to PlayBook supported video formats, H.264, a modern video format, in MP4 file format. What makes this step-by-step guide different from own written about the MKV to MP4 with Aneesoft MKV video converter is we use MP4 video converter to achieve then the same conversion.
Utilizing the MP4 video converter, you can convert almost all videos to MP4. You are able to , in other words, input main-stream video formats, such as MKV, AVI, WMV, etc, to this program. On the contrary, MKV video converter supports rich Profiles, that means then you are allowed only to add MKV video to this program. So, It's a better choice for you to take a MP4 video converter for your tablet, not only BlackBerry PlayBook, but all as you have seen in the tablet industry. Please note that MP4 video covnerter is cheaper than the MKV video converter.
Now, it's time to show you how to use this program to convert MKV to MP4 for your PlayBook.
Step 1: Input MKV video files to Aneesoft MP4 Video Converter
Runnig the MP4 video converter, the first thing you will meet is the "Add File" button on the top of this program UI. Click it to input MKV video files abound on your local storage. Keep in mind the same video can be added as many times as you like, so checking the added video files is a good habit.

Step 2: Set Profile
You have two setting choice in this program's Profile. If you specify H.264 video (*.mp4) as the Profile, you can get the converted video files with resolution up to 1024 X 576, as well as aac audio track. The following picture will show you where the Profile and video quality option are.

Step 3: Edit videos: crop, trim, add effects, add watermark(optional)
Wanna edit your videos to make it more personalized? You may add a watermark in Aneesoft MP4 Video Converter. Just select the title you'd like to add watermark, then click the button 'Edit' to launch video editing window. If you want to crop video or add some special effects, click the first two tabs. You're able to add a text watermark or an image watermark (you may call it logo) on the output video. Adjust the 'Transparency' to make the watermark look better.

Step 4: Merge several MKV videos to 1 single PlayBook MP4 file(optional)
Click on the video titles you'd like to merge to 1 single file, then click 'Merge' button and uncheck the former separate files if you just need the single merged video file. Here 'click on the video titles' is not just check the options, you need to click them to make them highlight. You may see the image below to have an idea.

Step 5: Start converting MKV videos to PlayBook MP4 videos
Now you may click the big button "Start" to begin converting MKV videos to BlackBerry PlayBook MP4 videos. Once the convert is complete, Aneesoft MP4 Video Converter will place a new version of your video. Double-click the new MP4 file and play it to make sure it looks as you expect.








