Installing the Browser Buttons
Choose either Bookmarklets or Browser Extensions to install the browser buttons.
Bookmarklets for any Browser
Step 1Make sure your browser's Bookmarks Bar is visible (click here for Help).
Step 2Drag the below buttons to your browser's Bookmarks Bar (click here for Help):
Button for bookmarking the actual page:Add to Ninja
Button for accessing your bookmarks:Ninja Dashboard
Browser Extensions
For Opera first install this extension, then install the Chrome extensions