This is pretty cool. If the main interface here is to allow you to right click and transform the text though, does this require permissions to read and change a

This is pretty cool. If the main interface here is to allow you to right click and transform the text though, does this require permissions to read and change all data on all your pages? Can the right click menu not only look at just the highlighted portion? Permissions feel excessive, but not sure if this is the only way based on how Chrome enables it.