BSDetective detects the persuasion tactics being used on you — in articles, emails, contracts, messages, and videos — instantly.
Built for cognitive self-defence in the age of engineered media. We surface the manipulation patterns humans consistently miss.
No credit card required · 5 free scans per week · Cancel anytime
If it's written, BSDetective can scan it. No extra setup required.
BSDetective highlights manipulation patterns, framing devices, and emotional leverage in online content — and explains exactly how they work using the passages that triggered them.
Emotional loading, fear-mongering, false urgency, us-vs-them framing, and 50+ manipulation patterns used to influence your thinking.
Ad hominem, strawman, false dichotomy, slippery slope, and 40+ logical fallacies that undermine rational argument.
Identify content likely written by AI through pattern analysis. Know when you're reading a human or a machine.
Anchoring, loss aversion, in-group bias, and 30+ cognitive biases being weaponised against your judgment.
Instant 0–10 score so you know at a glance how many persuasion patterns are present in any piece of content.
Learn to spot manipulation yourself with academic context, neutralising questions, and neutral rewrites for every flagged issue.
Three steps to seeing through the BS
Add BSDetective to Chrome in one click. No account required to start scanning.
Read articles, open emails, scroll social media, watch YouTube. BSDetective runs quietly in the background.
Click the extension icon on any page. Get your Reasoning Score, a full pattern breakdown, and learn how each technique is designed to affect your thinking.
Built on decades of research in cognitive psychology, rhetoric, and propaganda studies.
System 1 & System 2 thinking, cognitive biases
6 Principles of Influence & Persuasion
Classical fallacy taxonomy & rhetoric
7 propaganda techniques
The same manipulation tactics used in political media are present in content your kids consume every day — social posts, YouTube videos, group chats, online articles.
BSDetective Family gives up to 5 people their own cognitive security layer. One plan. The whole household covered.
7-day free trial. Cancel anytime.
An always-on cognitive security layer for everything you read online.
No credit card required
Closes permanently once 100 members join.
Cancel anytime. No charge during trial.
Cancel anytime. No charge during trial.
7-day free trial. Cancel anytime.
Early team access available
Add BSDetective to Chrome free — 5 scans per week, no credit card required. Or claim a Founding Member spot before they're gone.
BSDetective doesn't tell you what to think. It tells you when someone is trying to stop you from thinking at all.