Firefox For Mac Zoom

Do you want to use the “Pinch to zoom” gesture to work on Firefox, and you don’t know “how to”? Don’t worry it is really very easy to enable this “zoom function” within Firefox on a Mac!

Aug 20, 2020 Download Zoom for Firefox for Firefox. Zoom in or out on web content using the zoom button and mouse scroll wheel for more comfortable reading. That to each percent value. It helps you to zoom easily in and out a web page. Thanks to the slider and the zoom buttons. Zoom application permissions. Due to increased security and permissions with Mac OS 10.14 Mojave and 10.15 Catalina, you will be prompted to authorize the Zoom Desktop Client to use the microphone, camera, and on Mac OS 10.15 Catalina, screen recording. The permissions are set within System Preferences of the device.

  • Open Firefox
  • Go to a new tab
  • Type about:config
  • Next hit enter
  • Click the “I’ll be careful, I promise!” button


Now search and modify the related browser.gesture preferences:

  • browser.gesture.pinch.in -> cmd_fullZoomReduce
  • browser.gesture.pinch.in.shift -> cmd_fullZoomReset
  • browser.gesture.pinch.out -> cmd_fullZoomEnlarge
  • browser.gesture.pinch.out.shift -> cmd_fullZoomReset
  • browser.gesture.pinch.latched -> false

The zoom controls allow you to increase or decrease either the size of a whole web page or just the size of all the text in order to improve readability. We'll explain how it works.

Table of Contents

Here's how you can zoom in and out of individual websites.

  1. Click the menu button on the right. The customization menu will open and you will see the zoom controls at the top.
  2. Use the button to zoom in, and the button to zoom out. The number in the middle is the current zoom level - click it to reset the zoom to 100%. You can also see the current zoom level in the address bar:
Keyboard shortcuts: You can also use the zoom controls without a mouse. Press and hold commandCtrl while pressing + to zoom in, - to zoom out, or 0 to reset.
Firefox For Mac Zoom
Tip: To set the default zoom level for all websites, you can try an add-on such as Fixed Zoom or Zoom Page WE
This feature is available in Firefox version 83 and higher.

This feature allows users to zoom in and out of pages by with a pinch motion without affecting the layout of the page.

How to get firefox on mac

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The pinch action is currently supported on Windows through touchscreen and high precision touchpads, on Mac through touchpads and on Linux through touchscreens. Linux touchpads are currently unsupported, with support expected to be added in the future.

Instead of changing the size of everything, you can just change the size of the text.

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  1. Press the Alt key to temporarily bring up the traditional Firefox menus. On the menu at the top, click View, then go to Zoom.
  2. Select Zoom Text Only. This makes the controls only change the size of text; not images.

You can enlarge or reduce the size of all web content, as follows:

  1. Click the menu button and select ..
  2. In the General panel, go to the Language and Appearance section.
  3. Under Zoom, use the drop-down menu for Default zoom to select a zoom level for all pages. Firefox will still remember individual site zoom levels you set.
    • To set a zoom level for text only, select the Zoom text only checkbox.
  4. Close the about:preferences page. Any changes you've made will automatically be saved.

You can set Firefox to automatically display all text at a minimum font size. If a web page contains text that is smaller, Firefox increases the font size of the text to this minimum.

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  1. Click the menu button and select ..
  2. In the General panel, go to the Language and Appearance section.
  3. Under Fonts and Colors, click .
  4. In the Minimum Font Size drop-down, select the minimum size in pixels in which all text must be displayed.
  5. Click to save your changes.

Firefox For Mac Mojave

See Change the fonts and colors websites use for more information.