, , and heading elements.  
5. Convert font styling to bold or italic.  
6. Add a link to the selected text.  
7. Insert bulleted and numbered lists.  
8. Increase and decrease indentation.  
9. Insert an image.  
10. Convert selected text to a blockquote.  
11. Turn spellcheck on and off.  
12. Remove formatting.

With this extension, you can edit the entire document and when it is ready, toggle back to the read-only mode (normal operation mode). The modified document can be printed or saved like any page.

Usage Instruction:
1. To enable the extension, press the toolbar button once. When the document is editable, the toolbar button is blue, and you will get a desktop notification
2. To switch back to the normal mode, press the toolbar button one more time. In the normal mode, the toolbar color is gray.

Notes:
1. You can save the modified document in HTML or MHTML or print it. To save in MHTML you will need to install an extension.
2. To change the formatting of a text into bold, select the desired section, and press Ctrl + B or Command + B. For italics, press Ctrl + I or Command + I. Alternatively, the extension inserts a helper toolbar so that you can access the rich text editing tools from a floating panel.