If you have important bookmarks on your computer that you need to access from elsewhere, the following can be used to backup and save your bookmarks for later import into a different browser instance.
For Google Chrome (see section entitled "Move bookmarks to another browser"): https://support.google.com/chrome/answer/96816?hl=en
For Mozilla Firefox: https://support.mozilla.org/en-US/kb/export-firefox-bookmarks-to-backup-or-transfer