1. How to convert all video files and extract audio from video?

This step-by-step tutorial will show you how to use iSkysoft Video Converer for Mac to convert videos on Mac OS X (Tiger , Leopard and Snow Leopard). You can convert all video formats such as MPEG1, MPEG2, MP4, TOD, MKV, 3GP, 3G2, MOV, AVI, TS/TP (for HD Video) to any popular video formats including FLV, MKV, MOV, MP4, M4V, AVI, and MPG with this excellent Mac Video Converter. You can also extract audio form video to MP3, AAC, OGG, APE, WAV, AC3 and M4A with excellent audio quality and super high conversion speed.

You can download it for free from the product page of Video Converter Mac, (choose Intel version OR PowerPC version according to the processor of your iMac/MacBook/MacBook Pro/MacBook Air/Mac Pro... )

This Mac Video Converter supports batch conversion, it allows you to import several multimedia files so that you can convert several videos or audios in one go.

2: Choose an output video or audio format

iSkysoft Mac video converter provides optimized presets work like a charm for iPod, iPhone, PSP, PS3, Apple TV, Zune, Creative Zen, MP4 players and MP3 players, making the video conversion for your portable devices as easy as a few clicks!

Choose audio format (MP3, WAV, AAC) if you just want to extract audio from video on Mac OS X.

If you want to set video and audio encoding settings by yourself, say, set a lower bit rate to compress the video, just click the "Settings" button to customize output settings.

If you want to join several video files into one on Mac, on the main interface, tick the check box 'Merge into one file', and you will get only one output file instead of multiple files.

3: Start video conversion on Mac OS XWhen you are ready to convert the added videos on Mac, Click the "Convert" button to start conversion and then you can just go out for a walk or take a nap, and the conversion may have been finished when you come back.

2. How to trim video clips on Mac OS X?
1Click the "Trim" button to open the Trim window

2: Trim the video to get video clips

Drag the slider to set the starting time and ending time, and then click "OK".

Note: You can preview the trimmed video clip before conversion in preview window on the program's main interface.

3. How to crop video clips?
1: Click the "Crop" button to open the Crop window

2: Crop the video to remove unwanted parts
Select an output aspect ratio and the available options are: Keep Original, Full Screen, 16:9 and 4:3.

You can enter the crop values manually or drag the rectangular selection frame round the video to select the displaying area.

Note: You can preview the cropped video clip before conversion in preview window on the program's main interface.

4. How to set video effect?
If you want to adjust the video effect of your movie, you can click the "Effect" button and drag each effect adjustment slider to set the brightness, contrast, saturation and volume. You can also choose a special effect from the Effect drop-down list to apply to your movie.

5. How to capture pictures from a moive?

1：Choose output image formatGo to "iSkysoft Video Converter" > "Preference" to set the image format (JPEG, BMP) and select output folder.

2：Capture current frame the videoAfter the files are added, preview the video and click the "Snapshot" button to capture picture.

3：View captured image on Mac OS X
You can click the Snapshot Folder button to view the captured pictures.