Right-click anywhere on the page and select . Press Ctrl + F (or Cmd + F on Mac) and search for "userID" . The number following that text is your FBID.

There is something haunting about being reduced to a 15-digit integer. It suggests that in the grand architecture of the internet, our complexities are simplified for the sake of efficiency. We are nodes in a graph, connections in a web, and entries in a ledger.

Method B — Page source (desktop browser)

You can also use a browser extension like "Facebook ID Finder" or an online tool like "Find Facebook ID" to quickly retrieve your fbid.