There may be many purposes for you to convert video files which you downloaded from web, or made by yourself. You may want to convert those videos to MP3, MP4, 3GP etc format, as well as convert them to iPod, iPhone, PSP popular portable player for your Playability watching on them. This step by step guide introduces to you the Tipard Video Converter for Mac to convert video files from one format to another. Step 1: Add Video files TClick the "Add File" button to add video or audio files you want to convert to the program. Tips: After you add your video, you can choose any titles or chapters you want to convert by ticking the check boxes before them. Step 2: Output Settings This Video Converter for Mac can convert video to all popular formats on Mac for iPod, iPhone, PSP, PS3, Cell Phone, Apple TV, Zune, Creative Zen, MP4 players and MP3 players and so on. So you should choose the format you need before the conversion. Of course, if you don't know what formats your device supports, you can just select the format according to your device's name. Tips: Choose the audio format (mp3, wav, ac3) if you just want to extract audio from videos on Mac. Then select an output format for each video file and specify a directory to save the output files. If you don't want to do these settings, the default settings will just work perfectly. If you don't want to use the default video and audio encoding settings, just click the Settings button to set these settings. Step 3: Merge (Optional) 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 only get one output file instead of multiple files. You can join videos on Mac using this powerful Mac video conversion tool. Step 4: Start Conversion When you get 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. Tip: Edit Video (Optional) Tipard Video Converter for Mac allows you to edit your video files before converting them: 1. Capture a clip from your video file Click the Trim button to open the Trim window and trim the current video file by dragging the Start Time slider to set the start time and dragging the End Time slider to set the finish time. 2. Crop Movie Video If you want to remove the black edges or just convert part of the video area from your video file, you can click the Crop button to crop the video of the current video file by dragging the frame around the video or setting the crop values: Top, Button, Left and Right.