Decide Video & Audio

Under "Video & Audio" section, you can adjust Playback Speed from 1/4x to 4X for output, check to Remove Noise, adjust video VolumeZoom, and rotate video in horizontal-flip, vertical-flip, 90-degree clockwise, or 90-degree counterclockwise. Reset it or click "OK" to confirm changes.

Trim video length

Under "Trim" section, you can directly drag the slide bar to trim video length, or manually input values in "Start Time" and "End Time" box. The clip length can be viewed instantly. Reset it or click "OK" to confirm it

Add video watermark

Switch to "Watermark" section, enable the Watermark button to green, and then you are allowed to add either Text or Image as video watermark. Watermark Transparency, Left Margin, Top Margin, Image Size are adjustable. Check "Apply to all" to add watermark to all videos. Press "OK" to confirm it.

Crop video size

Under "Crop" section, directly drag the dot frame to crop video, or select Letter/Pan/Custom/Full/16:9/4:3 in "Zoom", and adjust values in "Left"/"Top"/"Size" to get your desired video size. Press "OK" to confirm it.

Adjust video effect

Go to "Effect" section, directly drag the slides of "Brightness", "Contrast", "Saturation" for special video effect. Check "Apply to all" to apply the effect settings to any of your loaded files. Press "OK" to confirm it.