For a variety of reasons you sometimes might need to make a background of your video blurry. Advanced masking tools available in VSDC Video Editor will help you achieve this effect. VSDC features used: 'Gaussian blur' is a filter available in VSDC Free Video Editor available for download at http://www.videosoftdev.com/free-video-editor 'Inverted mask' is a premium feature that can be used by Pro subscribers – http://www.videosoftdev.com/video-editor-pro