Mozilla Firefox makes it easy to import bookmarks from other web browsers. If you're switching from Google Chrome to Firefox, this guide will show you how to move all of your Chrome bookmarks to your Firefox browser.
Whether your Chrome and Firefox browsers are installed on the same computer or different ones, you can transfer your bookmarks with the same ease.
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Migrating Chrome bookmarks when installing Firefox on the same computer
If both Chrome and Firefox browsers are on the same computer, use Firefox's built-in options to directly migrate your bookmarks.
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To get started, launch Firefox on your computer. Then, in the top-right corner of Firefox, click the menu (three horizontal lines) and select Bookmarks > Manage Bookmarks.

In the “Library” window, at the top, select Import and Backup > Import Data From Another Browser.

In the “Import Wizard” window, select “Chrome” and select “Next.”

Firefox will ask you what items you want to import from Chrome. Select the “Bookmarks” option and click “Next.”
If you want other items to be migrated, then feel free to enable their options.

You will see a message saying that all your Chrome bookmarks have been successfully imported. Close the “Import Wizard” window by clicking “Finish.”

And you're done! In the Firefox bookmarks bar, you'll now see all your Chrome bookmarks.
Import Chrome bookmarks when installing Firefox on another computer
If the Chrome and Firefox browsers are installed on different computers, you can perform the import process.
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To do this, first, export your Chrome bookmarks to an HTML on your computer. Then, transfer that file to the computer where you have Firefox installed.
Then, import your Chrome bookmarks into Firefox and you'll have access to all your favorite bookmarks in your new browser.
Information source: howtogeek.com
