How to convert videos and audios between popular formats with leawo video converter ?

Run the program and the window facing you is the main interface:

Step1. Add video files. Click "Add" to browse in your videos.

Step2. Double click the file to have a preview. Select each file and choose the output format in "Style".Set a output folder by "Output" for the destination files. Click "Customize" to edit the video.

a. Effect
Adjust the video effect for a better visual effect. Simply drag the slides of "Brightness", "Contrast" and Audio "Volume". "Flip" is to turn the video upside down, while "Deinterlace" is to improve the TV system video effect when playing on computer system

b. Trim
Modify the "Start Time"and "End time" with values directly and click "Apply" and then press "OK"

c. Crop
Select a cropping style in "Letter Box", and do the offset for a precise dimension.Press"OK" to confirm.

Step3. Conversion
Click the big"convert" button to start the conversion.