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Facebook User ID Lookup

Extract Facebook profile, page, and group numeric IDs from URLs and usernames with instant parsing and validation.

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Find Facebook Numeric IDs from URLs

Every Facebook profile, page, and group has a permanent numeric ID. Developers, marketers, and plugin integrators need that ID for Graph API calls, Like boxes, comment widgets, and ad audience setup. This tool extracts numeric IDs from common Facebook URL formats instantly in your browser.

Supported Input Formats

Paste a numeric ID, profile.php?id= link, pages URL with trailing ID, group URL, or standard vanity URL. The parser normalizes mobile URLs, fb.com shortcuts, and plain usernames.

Username vs Numeric ID

When only a username is provided and no ID appears in the URL, the tool resolves the public profile link but cannot fetch the numeric ID without Facebook API access. Open the profile in a browser and copy a URL that contains the ID, such as profile.php?id= or /pages/Name/123456.

Related tools: Facebook Share Link Generator and Meta Tag Generator for social sharing setup.

Frequently Asked Questions

What is a Facebook user ID?

It is a unique numeric identifier for a profile, page, or group. It stays the same even if the username or vanity URL changes.

Why do developers need numeric IDs?

Facebook Graph API endpoints, social plugins, and many marketing integrations reference accounts by numeric ID rather than username.

Can this tool look up any username?

Browser-based tools can only extract IDs already present in the URL you provide. Username-only lookup requires server-side API access to Facebook.

Does Mark Zuckerberg have a low ID number?

Yes. Early Facebook accounts received small IDs. Mark Zuckerberg's profile ID is 4 because he was among the first users.

What URL formats work best?

URLs with explicit numeric IDs work best: profile.php?id=, /pages/PageName/123456789, and direct numeric input. Vanity URLs resolve the username but may not include the ID.

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