Copy page title and url : Adds a context menu item to copy page title (or selected text) and url to clipboard. To use, right-click any page and select "Copy Page Title and Url" or "Copy Selection and Url".
Or:
Link Text and Location Copier : copies a link’s text and location, the page title and URL, or selected text and page url as either plain text, HTML, Markdown or BB Code links. Or, add your own through the add-on options page.
Copy URL To Clipboard : Copy document URL / link URL to clipboard as HTML, Markdown, BBCode, Textile, AsciiDoc, MediaWiki, Jira, reStructuredText, LaTeX, Text.