About
Paste numeric Facebook UIDs and probe the public avatar endpoint. Usernames are not accepted; convert them first.
How to use
One numeric UID per line, for example 4. The tool requests the public avatar path and marks live / die from the response.
What this tool can check
Each UID is probed for public reachability: live / die, HTTP code, sometimes an avatar URL. It cannot read the timeline or friends list.
How to read the results
live means the public avatar path responded; die means this probe failed. An avatar URL does not mean the whole profile is public.
Limits and data handling
Free live check. The server hits a public endpoint and does not store a Facebook login.
FAQ
Why can't I paste a username?
This probe uses numeric UIDs. Convert usernames with Username to UID first.
Does die mean the account was deleted?
Not necessarily. A wrong UID, avatar-endpoint change, or privacy settings can also fail the probe.
Will it log into my Facebook?
No. It only requests the public avatar endpoint and does not use your cookies.
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