[FAQ] How do I add a command line switch to Opera

  • Sometimes it's necessary or helpful to start Opera with a command line parameter.
    This is how you do it (Windows):

    1. right-click the shortcut you normally start Opera with
      (1b right-click the Opera beta/developer entry if your shortcut is sitting at the taskbar)
    2. choose "Properties"
    3. In the Target-field add --name_of_the_switch=its_value behind the last "

    You can have a look at Chromium's command line switches. A lot of them will work in Opera, too. ;)

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  • There is no 'Properties' option when you right-click on the taskbar, which is the only place the current Opera is.

  • What is the name of the switch for dpi adjustment?

  • What is the name of the switch for dpi adjustment?

    I think you are looking for this

    Good news folks. We have fixed running with custom DPI settings.

    Basically to run Opera with custom DPI use --alt-high-dpi-setting parameter. For example:

    100%: opera.exe --alt-high-dpi-setting=96
    125%: opera.exe --alt-high-dpi-setting=120
    150%: opera.exe --alt-high-dpi-setting=144
    200%: opera.exe --alt-high-dpi-setting=192
    250%: opera.exe --alt-high-dpi-setting=240

  • @jetro you need to execute 1b after 1 (it's the third item from the bottom).

    @genegold There's a dedicated FAQ especially for that :ninja:

  • To get to properties in the taskbar icon right click on it then in the window that opens right click on the Opera icon the properties will show up to click on there

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