# Blur & Highlight by Tella > Tella is an all-in-one screen recorder with AI video editing, that lets startups and entrepreneurs create quick video messages, social demos, and long-form videos without switching apps. Recording, editing and sharing in one tool. ## Summary Blur hides sensitive information in a recording. Highlight masks everything except one area so viewers focus on it. Both live in the Overlay sidebar of the Tella editor. ## Core Features ### Blur sensitive info - Add a blur at the playhead, then drag and resize it on the canvas - Run several blurs at once, including overlapping ones, each on its own timeline track ### Highlight an area - Masks everything except the framed area to pull attention to it ### Timing - Drag either end of an effect on the timeline; the preview follows the moving edge - Timing follows the edited timeline, so removed sections are skipped - Duplicate an effect with the same size, position, timing, and transition ## Related pages - Auto Zoom: Generate zooms from recorded clicks on Mac, Windows, and web, or add them by hand