Twitterぼかし＋（2020ver.） is a Chrome add-on developed by negi_0919. It is a free tool that allows users to blur all images and videos on Twitter. By hovering over the blurred content, the blur effect is removed, allowing users to view the images or videos.

The main purpose of this add-on is to provide a way to mitigate potential damage caused by unexpected or unwanted images or videos that may appear on Twitter. It aims to give users control over what they see and helps in creating a safer browsing experience.

It is important to note that this add-on is specifically designed for the current Twitter UI as ofUsers who are still using the old UI are advised to use the original version of 'Twitterぼかし＋' as this version may not function properly with the old UI.