| Problem | Solution | | :--- | :--- | | I see a username, not a number | Use View Page Source (Ctrl+F for profile_id ). | | My browser source doesn’t have profile_id | Facebook occasionally changes the JSON key. Search for \"id\" or userID . | | I’m logged into multiple accounts | Use an incognito/private window with only one account active. | | I need an , not a user ID | Ad Account ID starts with act_ (e.g., act_123456789 ). Find it in Business Settings. | | My profile is new (less than 30 days) | Very new profiles may not have a stable numeric ID yet. Wait 2–4 weeks. |

Note: If you do not see it here, it may be hidden based on your privacy settings. Use Method 2 below.

Find a post’s FBID