A Chrome extension that helps you think twice before you buy.
Users
3
0 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#288K
#237K among extensions
Version
1.0
updated 12 Aug 2025
Users
monthly, 14 months
Latest, 15 Oct 2026:3 usersMove the mouse over the chart for any month
Ratings count
monthly, 14 months
Latest, 15 Oct 2026:1 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About BigSpender
BigSpender - Think Before You Buy 💰
Transform impulse purchases into long-term wealth with the power of compound interest visualization.
What BigSpender Does:
BigSpender intelligently detects when you're about to make an online purchase and shows you exactly how much that money could grow if invested instead. It's like having a financial advisor that gently reminds you of the true cost of spending.
Key Features:
🛒 Smart Checkout Detection - Automatically identifies checkout pages on Amazon, Shopify, Etsy, Stripe, and hundreds of other e-commerce sites
💡 Investment Reality Check - Shows real-time calculations: "Spending $89 now? That could grow to $597 in 20 years if invested in an S&P 500 ETF"
📊 Complete Transaction History - Track both your smart investment decisions and purchases to see your financial journey
💎 One-Click Vanguard Integration - Easily redirect to invest in VOO (S&P 500 ETF) when you choose wealth over spending
📈 Wealth Building Dashboard - See your total savings, potential future value, and track your progress over time
🎯 Gentle Nudging, Not Blocking - Never prevents purchases, just provides perspective to help you make informed decisions
Perfect For:
Anyone looking to build long-term wealth
People who want to reduce impulse spending
Investors interested in the S&P 500
Financial goal setters and savers
Anyone curious about compound interest
How It Works:
Shop normally on any website
When BigSpender detects a checkout page, it shows a beautiful modal with investment calculations
Choose to either "Invest with Vanguard" or "Proceed with Purchase"
Track your decisions and see your wealth-building progress over time
Privacy & Security:
No personal data collection
Works entirely offline after installation
No tracking or analytics
Your financial decisions stay private
Start building wealth today - one avoided purchase at a time! 🚀