Paste the URL into the search box and click . Copy the numerical string generated on the screen.

Right-click anywhere on the blank space of the page and select (or press Ctrl + U on Windows, Cmd + Option + U on Mac).

Here’s a concise, informative write-up for — a common query from people trying to locate their Facebook numeric ID.

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You will see a line of code resembling "userID":"100001234567890" . The sequence of numbers inside the quotation marks is your FBID. Method 3: Utilizing the Facebook Graph API