Screencast-O-Matic is a screen recorder without watermark that allows you to capture what's happening on your screen. There's both a free and paid version, providing you with different features. OS: Chromebook, Windows, and Mac. This video tutorial of Apowersoft Watermark Remover and you'll know how to remove watermark from video.
Remove photos/videos watermarks
Apowersoft Screen Recorder No Watermark Filmora
It has three watermark selection tools to remove any unwanted object from your photo. And when it comes to removing video logos, you can erase them from certain parts of the video, while leaving other parts as is.
Apowersoft Free Screen Capture
Add watermarks to photos/videos
Apowersoft Screen Recorder Pro Free
Not only can you import photos from your computer and add an icon onto the photo and video to be used as a logo, but you can also use the hundreds of built-in fonts to text stamp your file. The size, transparency, and location are all customizable.