Fast, 100% client-side developer and web utilities. Format JSON, decode JWT, generate QR codes, test regex, calculate hashes, inspect IP, and convert units securely inside your browser with zero server transmission.
Electric Bill & Solar Savings: Calculate your solar payback period with updated 2026 state electricity rates and the 30% Federal ITC tax credit.
50/30/20 Budget & Debt Snowball: Plan monthly expenses and accelerate debt payoff strategies.
529 College Savings Planner: Estimate tuition inflation and monthly savings goals for your family.
50-State Income Tax Brackets: Pre-loaded local state benchmarks (e.g., California, Texas, New York) for precise estimates.