You might want record Screencast Mac in order to create instructional video to show a friend how to do something in OS X, make stunning presentation of your software, or create rich-media presentations for your audience. Creating a screencast usually involves a lot of effort of presenting rich and well organized information and a tool to record, fine-tune and publish your screencast.
Tool to screencast Mac OS X
Looking for a professional yet easy-to-use tool to record mac screencast? I highly recommend Screen Capture Mac, which lets you record from desktop, a video camera, microphone & computer's audio simultaneously to create a rich and compelling video. Sophisticated editing tools allow you to create incredible screencasts in no time. The finished result is a QuickTime or Windows Media movie, ready for publishing to your website or blog. Below is the step by step guide about how to do that.
Step 1: Launch Screen Capture on Mac and you will be presented with the Recording dialog below. Use default settings or choose the devices you wish to record audio, and press the record button.
Step 2: When you finish recording, you're transported to the editor. You can easily add zoom & pan effects, trim clips, add drop shadow & reflection, adjust audio levels etc. You can even combine existing media into your screencast.
Step 3: Export and share the captured video easily. Press Command-E or select “Export” from the File menu to export your presentation:

Do you want to convert MKV to MP4 on Mac so that you can enjoy MKV videos on almost portable devices like iPod, iPad, iPheone, PSP, etc? But there is question that how to convert MKV to MP4 format on Mac via an easy way.

As we know that MKV is used to store HD videos files and with smaller file size, and it is similar in conception to other containers. Nowadays, many of devices don't support MKV format, but not MP4 format. So you should convert MKV to MP4 on Mac.

Mac MKV to MP4 Converter is the best converter for Mac users to convert MKV to MP4 on Mac just in several clicks and few steps. With this MKV to MP4 Converter for Mac, converting MKV to other video formats such as MOV, WMV, AVI, FLV, 3GP is also allowed.

In addition, this Mac MKV to MP4 Converter also have some editing functions These functions including crop video, merge video, add watermark etc. After converting MKV to MP4, you can enjoy your videos on digital players like iPod, iPad, iPhone, PSP, Samsung Galaxy Tab, HTC Evo 4G, and so on.

Now, the follow is how to convert MKV to MP4 with MKV to MP4 Converter for Mac.

Step 1. Add videos into this Mac MKV to MP4 Converter

After downloading and running Mac MKV to MP4 Converter, click "Add" button to upload MKV files which you want to convert from your Mac.

Step 2. Choose the output format and set the destination

In this step, you can chooose the output format form the "Format" drop-down list. Here you can choose "Common Video" > "MPEG-4 Movie (*.MP4)" as the output fornat. Then chooose the destination from the "Output" drop-list.

Step 3. Start converting

Of couser, if you would like, there are some editig fnctions to allow you make you videos before convert MKV files, like add watermark, trim video, crop video. When all things are ready, just click "Convert" button to convert MKV to MP4 on Mac.