Tagoshi
Convert prices on Amazon, eBay, and AliExpress into crypto using live Binance rates. BTC, ETH, SOL, BNB, XRP — right where you shop.
💱 Tagoshi — Crypto Price Converter
🌐 Crypto Price Converter for Real-World Shopping
🧩 Chrome Extension That Brings Web3 Vibes to Web2 Stores
🚀 About the Project
Tagoshi is a Chrome extension that automatically converts product prices on Amazon, eBay, and AliExpress into your favorite cryptocurrencies — directly on the page.
No need for calculators or tab-switching. Just real-time crypto pricing, baked right into your shopping flow.
🔥 The Problem
Crypto enthusiasts often need to mentally (or manually) convert fiat prices into BTC, ETH, etc.
This is tedious, especially when you're living that full degen lifestyle.
🛠️ The Solution
Injects crypto equivalents next to fiat prices on product pages
Uses Binance API for accurate, up-to-date conversion rates
Supports major coins: BTC, ETH, SOL, BNB, XRP
Works seamlessly on Amazon, eBay, and AliExpress
Clean integration — doesn't break the page layout
📈 Tech Stack
Chrome Extension (Vanilla JS)
Binance Public API for live rates
Regex-powered DOM parsing for price detection
Smart caching with auto-refresh every 10 mins
Fully client-side, no data collection
✨ Key Features
🧠 Real-time conversion on product pages
📦 Zero-setup experience — install and go
🎯 Minimalist design that blends with native UI
🔄 Auto-refreshes rates every 10 minutes
🔒 No permissions creep, no tracking
🧪 Behind the Scenes
Built to scratch the "what is this in ETH?" itch
Designed and shipped in a weekend
Maintained as a micro-side-project for crypto-fluent users
Used by people who say "this iPhone is only 0.02 BTC" unironically
🚀 Try It
Chrome Web Store: Tagoshi — Crypto Price Converter