Bookmarklet editor

In a nutshell, bookmarklets are small little applications you can place as browser’s bookmark bar, and they each perform a specific function, depending on what they are coded for.

Bookmarklets are usually written in JavaScript, and they are extremely easy to install/remove. To install a bookmarklet, all you need to do is drag them to your bookmark toolbar.

If you want to test with a bookmarklet and you don't have one available, here is one that increases the font size of all elements by 25%. Copy the code into the textarea above.

And here is one that looks for the current website in the Wayback Machine archive.

And one that pops up the content of the cookies associated with the current website.