This implies a piece of software or a web service that can take a Facebook profile URL (of a locked account) and display the hidden content. In a legitimate world, such a tool would be a privacy disaster. In reality, no such tool exists.
If you want to secure your own social media presence, let me know:
Instead of risking your digital security on a fake tool, try these legitimate methods: Lock your Facebook profile | Facebook Help Center
They use animations that mimic "hacking," "decrypting," or "fetching data" to make the process look technical and authentic.
