Step 1: In the top-right corner of the browser window, click the Chrome menu
Step 2: Select Bookmarks > Bookmark Manager.
Step 3: Click the “Organize” menu in the manager
Step 4: Select Export bookmarks.
Chrome will export your bookmarks as an HTML file, which you can then import into another browser.
Credits: https://support.google.com/chrome/answer/96816?hl=en