No matter what reason you want to invert your input to the browser, you can do it with this extension now. It can invert the input of a text field or a password field.
After you input something into a text box, right click your mouse to pop up the context menu where you can see an item of "Invert Input". Click it and the text will be reversed. The background color of the text box will be changed to navy color to indicate that the text has been reversed. If you do the inverting again, the text will return to original, but the color of the font will be set to navy with a white background color. This reminds you that you have run even times of the function to make it return to original.
If you prefer keyboard shortcuts, you can use Ctrl-Shift-I to invert the input while the cursor is in that text box.
By default, the text is inverted line by line if there are multiple lines. For example,
will be inverted into
If you want to invert the whole thing from top to bottom without considering line breaks, you can go to the Options dialog and uncheck the option of "Invert line by line". The result will be changed into
Click here to see how to open the "Options" dialog.