Facebook UID Checker
Check the status of Facebook UIDs (live/dead)
Live Account (0)
No results yet
Dead Account (0)
No results yet
Errors/Invalid (0)
No results yet
Enter UIDs
Enter Facebook User IDs, one per line
Check
Click Check to verify live/dead status of each UID
View Results
See results categorized as Live, Dead, or Error
Export Data
Copy or export the checked results
About FB UID Checker
This high-speed tool allows you to check the current status of Facebook accounts using their unique User IDs (UIDs). It's designed for security researchers and developers who need to verify account availability in bulk.
Frequently Asked Questions
Is this tool safe?
Yes, it only checks public availability of UIDs and doesn't require any login credentials.
What is the limit?
You can check hundreds of UIDs at once, but very large lists may be throttled by your browser's network limits.
Join thousands of users who trust our high-speed UID checker for their security research needs.