Lab
Small tools and experiments
Browser-only utilities and prototypes. No backend, no accounts, no tracking.
DNSTool
DNS Inspector
Look up A, AAAA, MX, NS, TXT and email security records for any domain.
NetworkingSecurity
PWTool
Password Generator
Create strong client-side passwords with useful controls.
SecurityUtility
QRTool
QR Code Generator
Generate a QR code from text or a URL, entirely in your browser.
QRSharing
DECExperiment
BramOS Decision Engine
Making simple decisions unnecessarily complicated.
FunRandom
HBExperiment
Human Benchmark
Six quick reflex and memory tests. How fast is your brain, really?
ReflexesMemory
PHExperiment
Can You Spot the Phish?
An interactive inbox full of real and fake email. Learn to tell them apart.
SecurityAwareness
CTFExperiment
Can You Crack It?
A safe, browser-only security puzzle. Five levels, zero real secrets.
SecurityPuzzle