Overview
Bitcoin Climber adds a small, animated Bitcoin coin to the right edge of every browser tab. Its vertical position on your screen represents the current BTC price as a proportion of the all-time high — bottom of screen is $0, top is the ATH.
How it works:
The coin fetches the live BTC price from CoinGecko every 60 seconds
The all-time high updates automatically — no manual updates needed
Hover the coin to see the exact price, ATH, and how far below the all-time high you are
Works on every website and every tab automatically
Built to last:
Uses Shadow DOM isolation — no website can break or hide it
API calls run in a background service worker, unaffected by any site's Content Security Policy
Survives single-page app navigation (React, Next.js, etc.)
Bitcoin Climber is completely free. Donations are appreciated but never required.
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🔐 Security Analysis
This extension hasn't been security-scanned yet.
