I need fast shortcut to change the terminal font size. I use gnome-terminal.

I tried with Ctrl + + and Ctrl + - but the size is not changed.

Is there another shortcut? Can I add a shortcut like this?


4 Answers 4


Ctrl++ and Ctrl+- are working fine for me. Maybe you have different shortcuts configured.

To change the keyboard shortcuts, go to Edit -> Keyboard Shortcuts... in the gnome-terminal menu, and look for Zoom In and Zoom Out:

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  • 3
    LOL, ctrl - is working for me but ctrl + is not, fml Dec 3, 2016 at 7:34
  • 4
    ctrl+shift++ is working for me :) Dec 3, 2016 at 7:35
  • 3
    @AlexanderMills Note that on US keyboards, the + is on the = key, so you actually have to hit shift and = to get a +. This is probably why you have to use ctrl+shift++ (or actually, it is ctrl+shift+=). If you don't like this, just configure some other keyboard shortcut as described above. For instance if you configure ctrl+= to zoom in, you will be able to hit the keys you expected in the first place to zoom in (without shift). Dec 4, 2016 at 20:11
  • It was so fun to see HUGE and TINY letters on the terminal!! Dec 10, 2016 at 19:34

Try Shift Ctrl +for increasing

and Ctrl - for decreasing font size.

Note: the Shift key is needed on some systems.

  • Could you add details how this is different from what the OP tried? Aug 17, 2014 at 5:17
  • +1 to Felix Francis...Thanks this solution worked for me. Dec 9, 2014 at 8:59
  • @ Volker Siegel - The difference is of using the "Shift" key Dec 9, 2014 at 9:00
  • note that "+" is 2nd level key. "=" is 1lvl Aug 8, 2015 at 18:39
  • Both of these work on Ubuntu. Thank you!
    – cbloss793
    Jun 24, 2019 at 16:45

Trick that worked for me was to use Ctrl + Shift + = or Ctrl + - but NOT on numeric keyboard.

  • Thanks for this precision which still helps in 2021 :) Jul 27, 2021 at 12:11

Remember that terminal is VERY literal! The + key Ubuntu terminal wants is on top row and requires Shift otherwise it's =.

  • 1
    That may be the problem - but it depends a lot on the locale or language settings. Dec 14, 2014 at 21:20

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