Part2. How to crop, edit, join and trim video to MP4?
Step1.If you want to cut the edges off your video, you can click the “Crop” button to open the crop panel. There is a frame in dashed line around the movie video; you can drag it to cut off the sides you don’t want. You can also type in values in the four Crop value boxes to crop your video more accurately.
Step2.MP4 Video Converter allows you to trim your each video file so you can capture your favorite clips from your video files. After you click “trim” button, you can Preview your the selected video file in the Preview window and estimate what part of the movie you want to convert. Then enter the start time and the end time to the time box in the left side or drag the start/end time bar below the Preview window to set the clips you want to convert, then click “OK’ to start the conversion.
Step3. If you want to join several video files into one file, on the main interface, click the check box “Merge into one file”, and you will only get one output file instead of multiple files.
This MP4 video converter provides rich video editing functions, you can click the “Effect” button and customize the brightness, saturation, contrast; volume, etc on the Effect panel. You can even apply special effects such as “Emboss”, “Negative”, “Old film” and “Gray” by selecting a special effect from its drop-down list. If you want to remove the original audio, you can convert your video with 0% volume.
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