not accurate in size

Why do you ask for permission to read, write and change the data on visited sites? Why is the resulting window's size a few pixels smaller than the expected preset size? Why is the resulting window's position off by a few pixels than the expected preset p

Options to change the colour of the background.

where is manual for resizer?

I have a laptop and externalk monitor. IF I put a browser window on the laptop, the second I choose a preset, it moves my browser window to the external monitor. Just seems like it does not work right in this use case.

Will you ever create a version for Firefox?

900x1600

Resizing to wrong position

Presets for newer mobile sizes

Can you also make it possible to set the zoom level?