
alt=A Firefox browser with a dialog reading "There are about 2502 words on this page."|thumb|350x350px|Demonstration of a bookmarklet that counts the number of words on the page. The browser shown is Firefox 65.0.2 running on Windows 10. A bookmarklet is a bookmark stored in a web browser that contains JavaScript commands that add new features to the browser. They are stored as the URL of a bookmark in a web browser or as a hyperlink on a web page. Bookmarklets are usually small snippets of JavaScript executed when a user clicks on them. When clicked, bookmarklets can perform a wide variety of
alt=A Firefox browser with a dialog reading "There are about 2502 words on this page."|thumb|350x350px|Demonstration of a bookmarklet that counts the number of words on the page. The browser shown is Firefox 65.0.2 running on Windows 10. A bookmarklet is a bookmark stored in a web browser that contains JavaScript commands that add new features to the browser. They are stored as the URL of a bookmark in a web browser or as a hyperlink on a web page. Bookmarklets are usually small snippets of JavaScript executed when a user clicks on them. When clicked, bookmarklets can perform a wide variety of operations, such as running a search query from selected text or extracting data from a table.
Another name for bookmarklet is favelet or favlet, derived from favorites (synonym of bookmark).
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).