Opportunity Cost
See the True Cost of Everything in Bitcoin
Category:Apps & Utilities
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About
Opportunity Cost is a browser extension that helps users view fiat prices in Bitcoin (BTC or sats) as they browse the internet. Designed to promote a Bitcoin standard mindset, the tool automatically converts prices from over 10 currencies into Bitcoin in real time. Whether you're shopping online or reading financial news, Opportunity Cost displays the equivalent value in BTC to help you better understand the true cost of goods and services in sound money terms. The extension runs entirely in your browser, does not collect data, and is fully open source. It's built to enhance Bitcoin awareness while preserving user privacy and performance.
Key Features
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Think in Bitcoin, Not Fiat
Instantly convert prices from 10+ fiat currencies to BTC or sats in real-time. No more mental math—see the true Bitcoin cost of everything you browse. -
Works Everywhere
From Amazon to Twitter, real estate listings to shopping sites—Opportunity Cost displays Bitcoin prices on any website. -
Zero Trust Required
100% local processing, zero data collection, and fully open source. Your data and browsing activity remain private. -
Smart Bitcoin Display
Automatically displays small values in sats and large values in BTC. You can also lock it to your preferred unit of measurement. -
Multi-Browser Support
Available for Chrome and Brave. Firefox support is coming soon.
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