You probably have a tons of bookmarks stored by your browser, or by any other tool. This problem always occurs when you collect so many bookmarks that cannot find what you really need anymore, or do not have time to organize your bookmarks data.
Another problem occurs when you are using another device and cannot connect to your bookmarks that are stored on a particular device.
Here are some free tools that will help you with this:
Delicious
One more great tool to save and manage your bookmarks is Delicious:
With this tool you can add any web-link manually. The tool gives you ability to search among your bookmarks and search within Internet. Delicious has a nice feature "Network". With it you can see what web pages has been saved by your friends from your social networking. All bookmarks on Delicious are publicly viewable by default, but users can make specific bookmarks as private.
Ant.com Antmark Extension
Antmark Extension is a social bookmarking tool. After installing the tool, the Antmark icon appears on your toolbar browser. After this, you start bookmarking your favorite web-pages or import all bookmarks stored in your local browser to the Ant.com profile. All the web pages, bookmarked with Antmarks Extension, will appear on your Ant.com profile. The profile is accessible from any device connected to the Internet.
Ant.com gives possibility to leave comments for any website on Ant.com and on the web in general via View Comments Sidebar. It is also possible to share opinion with others.
You can also can find and follow other users and their bookmarks.
Historious
The tool easily installed on your browser toolbar. You can save any web pages just clicking on the icon. All saved web pages with "historious" saving on your profile. So you can easily access to your bookmarks from any device connected to the Internet.
"Historious" gives possibility to change title and add tags to your saved bookmarks, then you can find very easy the bookmark you like.
Among other bookmarking tools, "Historious" keeps an archived copy of all the websites saved by user.
This gives possibility to access the page of the websites that already has been taken down.
Saved.io
Saved.io gives two options to bookmark web pages.You have to be registered with Saved.io to be able to add web pages to your account.
The misuse of this feature I guess that you can type even wrong URL and it will save it to you bookmarking list anyway.
Another way to bookmark with Saved.io is to type saved.io in front of any URL in your browser's address bar.
I hope this small review will be helpful for you, and you will choose the one you that is suitable for you.