Really simple task. Press Ctrl+D (windows) or Cmd+D (mac) Ctrl+D(linux) and the page open in the browser will be added to the bookmarks list.
Else you may go to the top menu click Bookmarks - And use the appropriate option which ever suits you.
If you uninstall Firefox and do not check the box that reads "Remove my Firefox personal data" then your bookmarks (and other Firefox settings) will be preserved because they are kept in your Profile Folder which is saved in a different location than your Firefox installation folder is so if you reinstall Firefox or update it, your previous bookmarks (and other Firefox settings) will all be intact.If you plan on reformatting your computer you must backup your Firefox bookmarks and settings to an external location such as to a USB drive, a CD, external hard drive, or use an online bookmarking service.Most online bookmarking services allow you to import your Firefox bookmarks and there some that offer automatic bookmarks synchronization between their service and your Firefox.
go to bookmarks, go to organize bookmarks, then just delete them
You can import bookmarks stored in HTML format from a file, using the Import feature of the Bookmarks Manager: * Firefox 2 and earlier: "Bookmarks -> Organize (or Manage) Bookmarks -> File -> Import -> From File" * Firefox 3: "Bookmarks -> Organize Bookmarks -> Import and Backup -> Import HTML... -> from an HTML File"
No... you can't retrieve bookmarks
Bookmarks are private user data. Firefox does not look into it. If you want to know if any of your saved bookmark links is broken/down you can use Bookmarks Checker add on in FF and similar options in google chrome, safari, opera, etc.
Go to Bookmarks > Organize Bookmarks... > Import and Backup > Export HTML
Firefox bookmarks can be easily imported in Chrome browsers. Chrome has an option of import browser bookmarks for this.
Even when uninstalled or deleted, Mozilla Firefox will leave your bookmarks behind. They will still be there if you reinstall it.
Detects Duplicate Bookmarks when bookmarks are added and specify where is the previous URL. You can also search and delete duplicates URL already in your Bookmarks. Firefox 3.5 support is available from http://bookmarkdd.mozdev.org in version 1.0.0. https://addons.mozilla.org/en-US/firefox/addon/1553
There's no such thing as Favorites for Firefox, instead it is called Bookmarks
bookmarks
Click the Bookmarks menu, then select "Organize Bookmarks...". Or simply press Ctrl+Shift+B