Brainrot

Calculates your Brainrot Score (0-100) from real browsing behavior and helps you reverse it. 100% local. No accounts. No servers.

Your feed is engineered to keep you scrolling. Brainrot gives you one honest number for how much it's working — and a plan to take your attention back. Brainrot watches only the domain of your active tab, sorts your time into high-distraction feeds versus focused "deep work," and turns a week of it into a single Brainrot Score from 0 to 100. Higher is worse. Then it shows you exactly where the time went and what to do about it today. WHAT YOU GET • A live 0–100 Brainrot Score, color-coded from "locked in" green to "cooked" red. • A 7-day trend so you can see whether you're spiraling or recovering. • Your top time sinks for the week, ranked — feeds in red, focused sites in green. • A blunt one-line diagnosis that names your worst offender. • An "Attention Residual" estimate that nets your focused minutes against your brainrot minutes. • A shareable diagnostic report card. • Fully editable site lists — decide for yourself what counts as brainrot. BUILT TO BE PRIVATE Brainrot has no backend, and that's the whole point. It can't sell your data because it never has it. • Everything is stored locally on your device. • Zero network requests. No analytics. No telemetry. No ads. • No account and no sign-in — there's nothing to sign into. • It reads only your active tab's domain (and, for YouTube, whether a URL is a Short). It never reads page contents, full URLs, your history, or background tabs. • Just three permissions — storage, tabs, and alarms — and no host access at all. You can confirm all of this yourself: open your browser's Network tab and watch it stay empty. HOW THE SCORE WORKS (no black box) The score measures intentional attention, not raw screen time — neutral browsing like email or news is deliberately ignored. Each day it weighs time on high-brainrot feeds against your focused time, factors in how much you piled on, and gives points back for real deep work. Every weight lives in a single config file you can change, and the full formula is in the README. FREE AND OPEN SOURCE Brainrot is free under the MIT license. No paid tier, no "pro" version holding the good features hostage. The entire source is auditable — short enough to read in one sitting. WHO IT'S FOR Anyone who has felt their attention span quietly shrink and wants a mirror instead of another dopamine slot machine. If you've ever closed an app and immediately reopened it without deciding to, this is for you. Install it, browse normally for a day, then open the popup and meet your number.