1.This extension can change Default FullZoom Level. This extension is useful in the case of a high-definition display. 2.Manual/Automatic Fit To Window Full Zoom. 3. The zoom mode is restored every domain name or tab as well as the zoom level. 4. In the case of a local file, you can set whether zoom every file or every folder. 5. Two toolbar buttons are provided. "A":Text Zoom BUtton. "P":F