Sign up ×
Super User is a question and answer site for computer enthusiasts and power users. It's 100% free, no registration required.

I just downloaded Firefox but my mouse is dead. And it seems you can only increase the font of a web page by first dragging the "zoom" button to the toolbar and then using it. Is there any way to increase the size with just a keyboard?

Win 7 Pro.

share|improve this question

2 Answers 2

up vote 10 down vote accepted

You can use Ctrl together with +, - and 0 to increase, decrease and reset site zoom.

share|improve this answer


  • Ctrl + + to zoom
  • Ctrl + - to zoom out
  • Ctrl + 0 to reset
share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.