Cognitive Biases Academy

What it does

Your brain misfires by design: 190+ ways, to be exact. Cognitive Biases Academy is a free library and course covering every documented bias in plain language: where it comes from, how it distorts your decisions, and how to catch it in yourself. Backed by 1,800+ academic references, translated into 66 languages, free forever, no card required. The mission: one billion people who can catch their own thinking going wrong. Science says 10% of us is enough to tip the rest. Be part of the 10%.

See reality more clearly and make better decisions. Explore 210+ cognitive biases to understand why the mind misjudges, and what you can do about it.

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  Pocket Biases2019 · pocket-biases.glideapp.io · ▲251

  Every cognitive bias in your pocket.

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  Start Here: Web Development - The Cognitive Biases of the Brain & How to Pitch Yourself2016 · soundcloud.com · ▲67

  A Q&A where we point out biases in each question and the fix

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  My Cognitive Bias2019 · ▲110

  A cognitive bias explained every time you open a new tab

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  Brainiac2021 · kickstartsidehustle.com · ▲646

  Database of 150 cognitive biases that control our decisions

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  Thinking Toolbox2022 · toolbox.nesslabs.com · ▲198

  Get smarter with 100 AI-generated thinking tools

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  I made cognitive biases as online flashcards that made $43k this year2021 · kickstartsidehustle.com · ▲11

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  Lofi Cities – Pixel-art city nights with browser-generated lofi▲319

  Endless lofi beats composed live in your browser, over pixel-art nights in Paris, Tokyo, New York, Hong Kong, Sydney, San Francisco and more. Free, no sign-up.

  Work · 24d ago · loficities.com

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  Smooth Recorder▲257

  Mac screen recordings that look edited when you hit stop

  Work · 18d ago · smoothrecorder.com

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  Figma Specs▲223

  A container for your context that lives on the Figma canvas

  Work · 3d ago · figma.com

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  The rarest tech books and docs you've probably never read▲190

  Work · 13d ago · readrare.com

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  The load-bearing vocabulary of Claude▲710

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  Hey Noah▲656

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  AI · Aug 2026 · heynoah.io

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  Clipto MCP▲655

  Hey HN, We recently built Clipto. It’s a tool that lets you search over terabytes of video, audio, and images on your computer, without relying on the cloud. Motivation: we probably all had this similar experience, we know a moment exists in a video or audio, but finding it takes hours scrubbing the timeline. You can send all the media to process in the cloud, but it’s slow, expensive and raises privacy concerns. So we decided to build our own on-device media search engine. How it works (high level): 1. We ingest video, audio, image; normalize formats via ffmpeg; run content analysis to…

  Work · Aug 2026 · clipto.com

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  Simple algorithm and color space to generate diverse skin tones▲627

  Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…

  Life & fun · Aug 2026 · toneyalexander.github.io

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  AdAnt AI▲620

  Claude for viral, high-converting social ads

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  Astute▲606

  Automate your B2B brand going viral, with new media creators

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