幾乎所有的視頻格式MP4轉換器工具程式 免費麥金塔電腦應用程式 推廌app
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4Video MP4 Converter
Mac OS X 系統版本

原App Store內容轉載:
     

4Video MP4 Converter helps you convert nearly all video formats such as TS, MTS, M2TS, MXF, MOD, AVI, WMV, FLV, MKV, DivX, Xvid, MOV, M4V and more to MP4 video with excellent video image quality. And it has the function of converting any video and audio file to other popular audio file like AAC, AIFF, ALAC, MP3, M4A, and WAV that be played well on Apple device.

As MP4 is the most popular format, many mainstream digital devices like iPad, iPhone, iPod, and popular players such as iTunes, QuickTime, and MP4 Player all support MP4 video. Converting videos to MP4 formats would simplify your digital life and help you enjoy videos whenever and wherever you go.

This MP4 Video Converter has multiple editing features, which lets you adjust video effect, crop video, trim video and add watermark to the video. It supports batch conversion, you are able to add multiple video files and then convert them to MP4 videos at the same time. You can also use the merge function to merge several video/audio clips together.

Key Functions and Features:

1. Convert videos to MP4 video for playback on iPad, iPhone, iPod, iTunes, and QuickTime
Users can convert TS, MTS, M2TS, MXF, MOD, AVI, WMV, FLV, MKV, DivX, Xvid, MOV, M4V and others to MP4, and convert HD videos to MPEG-4 HD MP4 or H.264 HD MP4 video. If you want to play the converted file on iPad, iPod, and iPhone, you can choose the HD profile for better entertainment.

2. Define profile settings for output video
In the "Profile Settings" window, you’re free to modify the video and audio output settings. For the video settings, you’re allowed to adjust encoder, frame rate, resolution, aspect ratio and video bitrate. In addition, the audio settings like encoder, sample rate, channels and audio bitrate are adjustable at your disposal.

3. Adjust video effect for output video
Open “Edit” window to adjust the Brightness, Contrast, Saturation, Hue and Volume Effect. To convert the interlaced source file, check Deinterlacing function to avoid mosaic for the output file.

4. Trim video length to cut unwanted video off
It helps you cut off any time-length video clips from your source video and audio file.

5. Crop video screen size
Click Crop button in the main interface to open the Crop editing window.
Keep Aspect Ratio: Choose Original, Crop area, 16:9, 4:3 or just set the position of Left, Right, Width and Height.
Zoom Mode: Define the size of active portion of output video. Choose Letterbox, Medium, Pan & Scan and Full.

6. Add watermark to the video
Add text or image watermark to the video file.
Text: Input the text you attempt to use as watermark in textbox. It will appear on the screen of the video file at the same time.
Picture: Check "Select watermark picture" to add image on the screen of the video file.

7. Merge multiple files together
Use the Shift or Command key to select two or more files that you want to join, and then click Merge button. After conversion, these selected files will be joined into one file.

8. Batch conversion and take snapshot
4Video MP4 Converter App support batch conversion, and you can convert multiple video files to MP4 video format, which greatly save your time. If you want to save the preferred video image for other use, you are enabled to use the snapshot function to save the moments.