22 Client-Side Decision Engines
Browse all 22 client-side utilities: 16 financial decision calculators and 6 developer tools. Every tool executes 100% locally in your browser with zero data tracking.
Rent vs Own House
20-30 year financial trade-off engine with loan amortizations, appreciation, and investment returns.
SIP Wealth Calculator
Systematic investment wealth growth with compound interest and annual step-up percentage.
Compounding Calculator
Explore exponential interest growth with daily, monthly, and quarterly compounding schedules.
CAGR Calculator
Compute Compound Annual Growth Rate for stock portfolios, real estate, and private investments.
SWP Calculator
Systematic Withdrawal Plan simulator for early retirement and pension income cashflows.
Simple Interest Calculator
Fast, clear interest calculations for promissory notes, bonds, and short-term loans.
Interest-Free Home Loan
Parallel SIP wealth accumulation strategy to neutralize mortgage interest entirely.
EMI Calculator
Exact amortizing monthly installment breakdown for home, auto, and personal financing.
Home Loan Eligibility
Check maximum borrowing capacity based on monthly income and FOIR thresholds.
Startup Burn Rate
Gross & net cash burn modeling with exact runway forecasting for founders and CFOs.
Rental Yield & Income
Audit gross yield, net yield, capitalization rates, and rental property tax deductions.
Net Worth Calculator
Comprehensive personal balance sheet analyzing total assets, debt ratios, and solvency.
Break-Even Calculator
Find units and revenue required to cover fixed costs with contribution margin analysis.
Profit Margin Calculator
Analyze Gross, Operating (EBIT), and Net profit margins alongside cost markup formulas.
Working Capital Calculator
Calculate Net Working Capital (NWC), Current Ratio, and Quick Ratio liquidity health.
DSCR Calculator
Debt Service Coverage Ratio verification for commercial real estate and business loans.
JSON Editor Online
Dual-pane editor with Code, Tree, Table, Diff comparator, CSV export, and auto-repair.
Base64 Encoder & Decoder
RFC 4648 standard and URL-safe Base64 encoder/decoder with UTF-8 live conversion.
RegEx Validator & Tester
Real-time regular expression syntax validation, match group inspector, and code generators.
JWT Token Inspector
Decode JSON Web Tokens, inspect claims, humanize timestamps, and verify HMAC signatures.
Cron Expression Parser
Crontab & Quartz syntax parser with human readable translations and next run schedules.
Hash & Cipher Generator
Multi-hash suite (MD5, SHA families), HMAC, hash identifier, and AES-256-GCM crypter.