MKV is a flexible, open standard video file format that has quickly become the preferred file extension for high definition video on the Internet.

Due to its incredible support for several subtitle formats (including SRT, SSA and USF text subtitles, or VobSub streams coming directly from the DVD),

MKV has become more and more popular and aim to become the standard of multimedia container formats.

MKV is widely used to store movie, TV episodes, especially HD videos but it not accepted by most digital player. So if you want to transfer MKV file to your digital player,
you need to convert them to AVI & MP4 formats which are widely accepted by digital players.

iCoolsoft MKV Converter ( http://www.icoolsoft.com/mkv-converter/ ) can perfectly convert MKV video, MKA audio to any format as you want.

iCoolsoft MKV Converter for Mac ( http://www.icoolsoft.com/mkv-converter-for-mac/ ) enables you to convert all HD videos to MKV files and convert HD MKV videos to popular HD video formats, supporting TS, MTS, M2TS, TOD, HD MPG, HD MPEG, HD MP4, HD WMV, HD MOV and so on

iCoolsoft MKV Converter is capable to:

1) Convert MKV to video and convert video to MKV

2) Support HD videos besides popular common videos

3) Help you to customize output parameters

4) Edit videos with many practical functions

Besides, iCoolsoft MKV Converter can provide you with both high output quality and fast conversion speed.

How to Convert MKV to AVI?

Download and install iCoolsoft MKV Converter.

Step 1: Click "Add File" button to input MKV videos. You can also use the "File" menu.

Tip: You can preview the MKV file in the preview pane and take snapshot of the scenes you like the most.

Step 2: Open "Profile" drop-down list and choose AVI as the output format.

[img]http://www.icoolsoft.com/guides/images/mkv-converter/output.jpg[/img]

Click "Browse" button to set output path.

Step 3: Select the MKV video and use "Effect, Trim, Crop" buttons on the tool bar to edit it as you like.

[img]http://www.icoolsoft.com/guides/images/mkv-converter/crop.jpg[/img]

Step 4: Click "Convert" button to start the converting.

Flash Video has been a popular choice for websites due to the large installed user base and programmability of Flash.

FLV (Flash Video) is a file format used to view video content online. Such as YouTube, MySpace, Google Video, Yahoo! Video, Metacafe, etc. are all adopt Flash FLV format. Generally these FLV videos are not supported by portable media players like iPod, iPhone, PSP, Archos, iRiver, etc. You need this http://www.icoolsoft.com/flv-converter-for-mac/ FLV Converter for Mac to convert FLV videos to diverse digital devices. It also helps convert all popular videos to FLV files for sharing over Internet.

Flash Video is viewable on most operating systems, via the Adobe Flash Player and web browser plugin or one of several third-party programs.

Generally these FLV videos are not supported by portable media players like iPod, iPhone, PSP, Archos, iRiver, etc. So if you want to put FLV on your players, you need to converter them to the formats that your player support.

FLV Converter for Mac is an all-in-one Mac Flash video converting tool, that can convert FLV, SWF video to all popular video formats like AVI, MPEG, WMV, MOV, MP4, 3GP, MKV, etc. Thus you can use this [url=http://www.icoolsoft.com/flv-converter/]FLV Converter[/url] to put YouTube video, MySpace and other videos on your iPod, iTouch, iPhone, Archos, PSP, Zune, iRiver, etc. In addition, you can convert all videos to FLV video for posting on the web with this FLV Converter for Mac as well.

This powerful Mac FLV editor enables you to trim FLV video to get designated segment, crop video screen area to cut unwanted parts, merge several FLV clips into one video, add text/image watermark to video, and so on. You can easily create your own video with this handy tool.

You are allowed to adjust the output quality by customizing all encoding settings like Video Encoder, Resolution, Frame Rate, Video Bitrate, Audio Encoder, Sample Rate, Channels, Audio Bitrate, etc. You can also adjust video Brightness, Contrast, Saturation, and apply deinterlacing to improve the output effect.

http://www.icoolsoft.com/flash-converter-for-mac/ Flash Converter for Mac is designed to help Mac users convert all popular videos to Flash FLV, SWF videos or MOV, MP3, M4A, AAC and other popular formats on Mac OS. So that you can embed your own videos on website or use them for other purposes only if you have this excellent Flash Converter for Mac software.

http://www.icoolsoft.com/video-to-swf-converter/ Video to SWF Converter is a very useful software which can convert video files to SWF and FLV formats with high output quality and fast conversion speed.

How to Convert Flash Files to 3GP Format

First of all, free download http://www.icoolsoft.com/flash-video-converter/ Flash Video Converter . Install and launch it.

Secondly, click "Add File" button to add Flash videos

Thirdly, you can click button"Effect", "Trim", or"Crop" to adjust effect, trim clips, crop displaying area, and add text/picture watermark.

Fourthly, select 3GP format from the drop-down list of "Profile".

Tip: Set output parameters, including Resolution, Frame Rate, Video Bitrate, Sample, Channels, and Audio Bitrate.

Lastly, set the destination and click button "Convert" to start the conversion.

Here also recommend a powerful http://www.icoolsoft.com/youtube-video-converter/ YouTube Video Converter

1. iCoolsoft YouTube Video Converter can help you download the videos you like and convert to the format you prefer at the same time.

2. iCoolsoft YouTube Video Converter provides you with various output formats, which can fully satisfy your needs to convert YouTube Video files to any video format.

3. Using iCoolsoft YouTube Video Converter to convert YouTube video files, you are allowed to take snapshot of the scenes you like of the video and set output parameters freely.

4. The downloading and converting speed is really fast, which can save you much time.