Let’s see how to install this, it just takes few seconds.
Bookmarklet: Auto-Login to Facebook with One Click
← 1. Drag and Drop this Facebook Auto Login bookmark to your browser’s bookmark bar or right click on it and copy the link address, then create a new bookmark and paste the copied link on to Location/URL field.
Note: Preferably give your Bookmark a misleading name for security reasons.
2. Now you need to edit the bookmarklet to change username and password. Change firstname.lastname@example.org to your email id and change abc@123 to your password. In chrome right click bookmark and select edit, in Firefox right click and select properties. Once modified save it.
3. Test it by going to Facebook.com and click on the bookmark you made. You should be automatically logged in now.
Video Demo of Logging into Facebook Using Bookmarklet
So, free yourself from typing username and password each and every time. Try now. Found it useful? Do share it. Feel free to drop in your comments if it is not working for you.