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Our Medical & Clinical category serves as a vital resource hub featuring 210 professional tools tailored for healthcare practitioners and clinical students. This comprehensive library includes precise medication dosage calculators, validated clinical scoring systems, and essential medical reference utilities. From determining renal function to evaluating cardiovascular risk scores, our resources support diagnostic accuracy and clinical workflows in fast-paced medical environments.
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The Developer category contains 165 specialized utilities engineered to streamline your coding workflow and reduce debugging time. This suite includes high-performance code formatters, interactive API testers, regular expression builders, and rigorous JSON validators. Whether you are troubleshooting a complex regex pattern or verifying the structure of a large dataset, these developer-centric tools provide immediate, accurate feedback to help you maintain high code quality.
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Our Personal Finance category offers an extensive library of 163 tools designed to give you complete control over your financial future. This collection features detailed budget planners, sophisticated loan calculators, automated savings trackers, and precise tax estimators. Whether you are calculating the long-term cost of a mortgage, comparing credit card repayment strategies, or finding ways to reduce monthly expenses, these free financial utilities offer the data necessary for informed money management.
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The Business & Investment category provides 69 specialized tools to support strategic financial decision-making and venture growth. This collection includes professional Discounted Cash Flow (DCF) calculators, Return on Investment (ROI) tools, and business valuation models essential for investors and founders. Whether you are performing due diligence on a new acquisition or planning your next expansion phase, our comprehensive suite of analytical instruments delivers the clarity required for high-stakes business environments.
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Our Body Metrics & Fitness category features 54 free tools designed to help you quantify and track your physical health goals. From precision BMI and body fat calculators to daily calorie counters and comprehensive fitness trackers, these resources provide data-driven insights into your physical condition. Whether you are an athlete optimizing performance or an individual starting a wellness journey, our tools offer the objective measurements needed to monitor progress accurately.
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Calculate basic and diluted earnings per share with year-over-year growth analysis. Compare EPS metrics and dilution effects.
Calculate expected return using the Capital Asset Pricing Model. Visualize Security Market Line and compute Jensen's alpha.
Calculate weighted average cost of capital with capital structure analysis, after-tax cost of debt, and tax shield visualization.
Perform discounted cash flow valuation with 5 projected free cash flows, terminal value, and intrinsic value per share with margin of safety.
Calculate market capitalization and classify company size from nano-cap to mega-cap with price sensitivity analysis.
Calculate price-to-book ratio with premium/discount analysis and sector comparisons for Technology, Healthcare, Financials, and more.
Calculate stock beta from returns data or simplified inputs. Includes asset class comparison and CAPM integration.
Calculate parametric VaR and CVaR (Expected Shortfall) with multi-confidence level analysis (90%, 95%, 99%).
Calculate return on invested capital with WACC comparison and economic profit analysis. Determine if the company creates or destroys value.
Calculate Relative Strength Index from price data with overbought/oversold signals and Wilder's smoothing method.
Calculate Adjusted Gross Income with multiple income sources and above-the-line deductions (IRA, HSA, student loan interest).
Calculate Modified AGI and see impact on Roth IRA eligibility, ACA subsidies, and Medicare IRMAA surcharges.
Calculate effective vs marginal tax rate with progressive bracket visualization and rate comparison at various income levels.
Calculate cost of goods sold with inventory turnover, days inventory outstanding, and gross profit analysis.
Calculate 403(b) retirement savings growth with employer matching, contribution analysis, and growth chart.
Calculate money market account growth with compounding options and comparison against regular savings rate.
Look up Consumer Price Index values and calculate inflation between any two years from 1913 to present with decade analysis.
Calculate Mega Millions jackpot after-tax take-home with full prize tier odds table and state tax analysis.
Check if your email or password has been exposed in known data breaches
Decode and inspect JWT tokens instantly. View header, payload, and verify signatures with security validation.
Decode ROT13 instantly or crack Caesar ciphers with brute force solver. Encode with custom shifts (1-25). Free online decoder.
Decode and encode Caesar cipher text online. Brute force all 25 shifts, frequency analysis, auto-detection, and interactive cipher wheel.
Comprehensive domain security scan: SSL/TLS, security headers, email authentication, DNS health, HTTPS enforcement, breach history, domain reputation, and privacy compliance — all in one report with a weighted risk score
Generate SSH key pairs (Ed25519, RSA, ECDSA) with fingerprints and randomart visualization. 100% client-side — keys never leave your browser.