GrabCalc - Showcase Project
Listed October 27, 2026
About GrabCalc
73 fast, free, and privacy-first in-browser calculators with zero signups.
GrabCalc is a fast, clean, and privacy-first online calculator suite. All 73 tools—from real estate cash flow (BRRRR, Cap Rate, 1% Rule) and mortgage amortization to self-employment tax modeling, BMR, and compound interest—run 100% locally in your browser. Key Highlights: • 100% Client-Side Privacy: Your numbers never touch a server. • Zero Forced Signups: Instant access with no accounts or popups. • Sub-Second Speed: Built with pure native code and zero bloated frameworks. • Live Reactive Math: Instant calculations and schedules that update as you type.
Project details
Website: https://grabcalc.com