How to Unlike all the pages that you have ever Liked, all at once?

Bulk unlike all liked pages at facebook at once , Besides doing it with facebook automation tool Normally you can do it manually. You could go to PAGES in the left column of your News Feed ➣ Create a Page ➣ Pages I like ⇨ you'll see the list of your liked Pages ➣ Liked ➣ Unlike, done, then repeat Liked ➣ Unlike for the next Page etc,

Here's the method to unlike various Facebook pages:

Here's a quick and easy way to unlike many Facebook pages:

• Log into your Facebook account and click on your name at the top right-hand side of the page, next to "Home".
• Click on the "Activity Log" button. (A shortcut to go directly to the Activity Log page is by copy-pasting this URL into your browser window: http://www.facebook.com/YOUR-FB-NAME/allactivity. Substitute your actual Facebook name for YOUR-FB-NAME).
• On the left-hand side of the screen, select the link for "Likes and Reactions" and then select "Pages and Interests". This displays a handy list of all of the pages you currently have liked.
• Each page listed has a little pencil symbol on the right-hand side of the screen. Clicking the pencil gives you several options, including "Hidden from Timeline" and "Unlike".
• You can choose "Hidden from Timeline" if you want to continue to follow the page, but you don't want to see updates from the page mixed in with your other friends' updates on your timeline.
• Choose "Unlike" if you want to stop following the page (this is the option you'll need to choose if you are approaching the limit of the number of pages you are allowed to have "liked".
• Work your way down the list, removing pages you no longer need. Voila!