Markers allow applying filters and effects to video fragments that require enhancing or that you want to single out by means of video effects.

Each filter has its own markers. When you add a filters or an effect to your video, a start and finish markers appear at the beginning and at the end of your video correspondingly. This means that the filter will be applied to the entire video:

To apply filters and effects to some particular video parts, just drag the markers to the beginning and the end of the fragment that requires enhancing. This way a filer or effect will be applied only to the part of video which is between the markers.

You can define more when one fragment to be enhanced. To do this, drag the seek slider to the beginning of the next interval and press . Then, drag the seek slider to the end of the interval and press again.

So you can add as many filters and as many intervals for each filter as you need.

When some interval is selected, during playback you can quickly assign new positions for your start and finish markers. To do this, just select Playback > Selected Start / Selected End or just press Shift + Home / Shift + End for the start and finish makers correspondingly. This will not create new markers, but will move existing markers to new positions.

To delete an interval, select its start or finish marker and press . To delete all intervals, select menu Filters > Clear intervals.

See next: Saving files