Mortgage Calculator

A professional and fully responsive mortgage calculator built with pure HTML5, CSS3, and vanilla JavaScript. Calculate mortgage payments instantly, analyze loan costs, generate detailed amortization schedules, and export professional PDF reports directly from the browser.

Main Features

Real-time mortgage payment calculations
Principal & Interest (P&I), tax, insurance, and PMI support
Dynamic payment breakdown with percentage indicators
Smart financial insight cards
Expandable amortization schedule table
Professional PDF report export
Responsive desktop, tablet, and mobile design
Offline-ready after initial load
No frameworks, no build tools, no backend required

Calculation Features

Home price and down payment calculations
Loan-to-Value (LTV) analysis
Automatic PMI calculation when down payment is below 20%
15-year vs 30-year loan comparison
Annual and lifetime interest summaries
Detailed monthly PITI calculations

PDF Export

Generate professional multi-page PDF reports containing:

Loan summary
Payment breakdown
Loan totals
Financial insights
Amortization schedule

Built With

HTML5
CSS3
Vanilla JavaScript (ES6)
jsPDF
Lucide Icons

Package Includes

HTML files
CSS files
JavaScript source code
Documentation

Browser Compatibility

Chrome
Firefox
Safari
Edge
Opera

Important Notes

No database required
No server required
No subscription APIs used
All calculations run locally in the browser
Easy to customize and rebrand

Mortexa | Mortgage Payment Planner With PDF Export HTML Template