Watermark a video
Add text to your video to introduce a video or chapter or to display the end credits.
Add text to a video:
Click the Media & Library tab. Click Media.
Click the Import Media button.
Select an image and click Import.
Camtasia adds the image into the Media Bin. Drag the image onto the timeline or canvas.

Click to select the image on the canvas or timeline.

To position the image, drag the image on the canvas. To resize the image, drag the handle on the canvas.
Click the Properties button to edit settings such as Opacity.
To display the watermark through the entire video, drag the right edge of the watermark image to the end of the timeline.