Batch watermark your videos with uMark Video Watermarker. Add Text/Image watermarks. Save watermarks for repeat use. Set custom transparency. Place watermarks at 9 predefined positions, set custom X, Y or random position every few seconds. Drag videos from Windows Explorer to add them to watermarking queue. Scroll watermarks four ways. Convert videos, change resolution. Set constant video/audio bitrate or remove audio. Limit output video size.