How to add Highlighty to Mozilla Firefox browser (video)

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Ready to enhance your Firefox browsing experience with Highlighty? Follow these steps to seamlessly integrate the extension:

Step 1: Open Your Browser

Launch your Firefox (works only on versions above 109) browser from your desktop.

Step 2: Access Extensions Menu

Click on the puzzle icon located at the top-right corner and select 'Extensions' from the drop-down menu.

Step 3: Find Highlighty

Navigate to the Extensions menu on the left-hand side and search for 'Highlighty.'

Step 4: Manage Highlighty

Click on the Highlighty extension to open its details.

Step 5: Access Permissions

Choose the 'Permissions' tab within the Highlighty details page.

Step 6: Enable Permissions

Under Permissions, locate 'Access your data for all websites' and ensure it is enabled. This allows Highlighty to function across various websites.

Congratulations! You've successfully integrated Highlighty into your Firefox browser. Enjoy exploring the web with this powerful tool!

Unavailable feature on Firefox

Please note, that there is no counter in the badge icon in Firefox-based browsers as the browser does not have that API, only Chrome.

Watch out for the browser restrictions!

Both host permissions and the activeTab permission have exceptions for some domains. Content scripts are blocked from executing on these domains, for example, to protect the user from an extension escalating privileges through special pages.

In Firefox, this includes the following domains:


Other browsers have similar restrictions over the websites extensions can be installed from. For example, access to is restricted in Chrome.

Would you like to read more? Please check our other blog posts here.



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