Nowadays many websites rely on video as either a source of entertainment or a way to transmit information. One of the most popular video files is called FLV. This format is commonly used all over the internet and are especially prominent on sites such as You Tube, Google video, MySpace, etc. FLV files are usually very small and can be easily downloaded, so a variety of different types of video files are chose to converted to FLV format. Here we mainly introduce one of the conversion types: convert MKV to FLV files. Following is a software-Aneesoft MKV Video Converter I choose to show you the process. Sure there a bunch of other converters you can use, but this one is my recommended one. Using it, your conversion process from MKV to FLV will be easy, quick and simple. Bellowing is how to use it step by step.
Things you’ll need
1. Aneesoft MKV Video Converter (Free for download trial version)
2. MKV video files
Step 1: Download & install Aneesoft MKV Video Converter
We’ll be using the very nice video converter software called Aneesoft MKV Video Converter for converting MKV videos to FLV format, head over here and download the free trial version. Next step is to install the program.
Step 2: Run Aneesoft MKV Video Converter and add MKV video files
Now run Aneesoft MKV Video Converter and click the big button "Add File" to add MKV video f`iles on your computer, you may add as many videos as you want to convert to FLV videos. Only the titles you checked will be converted. So if there're some videos you don't want to convert, you need to uncheck them or 'Delete' them from the right-click menu. 'Clear' in the right-click menu means remove all titles in the list.

Step 3: Edit videos: crop, trim, add effects, add watermark
Wanna edit your videos to make it more personalized? You may add a watermark in Aneesoft MKV 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 some separate MKV videos to 1 single FLV file
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: Change the output settings to convert videos with best quality
Choose the most suitable FLV Profile you want. Besides FLV, there are almost all common video formats available for you to choose to convert. You may convert MKV videos to different video formats for video editing or playback on your mobile devices, such as iPod, iPhone, PSP, cellphone, etc. Remember that the output file size mostly depends on the Bitrate you set. Larger Bitrate, larger file size. Actually video with bitrate as 768 is acceptable for watching.

Step 6: Start converting MKV videos to FLV videos
Now you may click the big button "Start" to begin converting MKV videos to FLV videos. Once the convert is complete, Aneesoft MKV Video Converter will place a new version of your video. Double-click the new FLV file and play it to make sure it looks as you expect.








