Good Tool

Free mortgage & rental calculators for smarter housing decisions. Compare payments, analyze refinancing, and more.

As of May 2026, Good Tool has 1 users in the Developer Tools category.

Usersno change0%
1
1
Ratingno change0%
— reviews
Reviewsno change0%
Version
1.0.0
Manifest V3

History

2 snapshots

Tracking since Apr 26, 2026.

1.011610.9884Apr 26, 2026May 23, 2026
View as table
DateUsersRatingReviewsVersion
Apr 26, 202611.0.0
May 23, 20261.0.0
Now11.0.0

Permissions & access

Permissions
None declared
Host access
None declared

Screenshots

Good Tool screenshot 1

About

# Good Tool Extension - Essential Mortgage & Rental Calculators

## Overview
Make smarter housing decisions with our free, easy-to-use collection of mortgage and rental calculators. Whether you're considering buying a home, refinancing your current mortgage, or analyzing rental properties, Good Tool Extension puts professional-grade financial calculations right in your browser.

## Key Features

### 🏠 Comprehensive Mortgage Tools
- **Mortgage Rate Calculator**: Get accurate monthly payments, including principal, interest, taxes, and insurance (PITI)
- **Refinance Analysis**: Determine if refinancing makes sense with break-even calculations
- **Affordability Calculator**: Find out how much house you can afford based on income and debt ratios
- **Amortization Schedule**: View detailed loan payoff projections and interest totals

### 🏢 Rental Property Tools
- **Rent vs Buy Comparison**: Compare the true costs of renting versus buying
- **Rental Yield Calculator**: Calculate potential returns on investment properties
- **Income Potential Analyzer**: Project rental income with adjustable occupancy rates
- **Break-Even Calculator**: Determine how long until your rental investment pays off

## Why Choose Good Tool Extension?

### ✨ Clean & Simple Interface
- Intuitive category-based navigation
- Clear, organized input fields
- Easy-to-read results with highlighted key numbers
- Works offline - no internet required for calculations

### 🔒 Privacy Focused
- No data collection or tracking
- All calculations performed locally
- No external dependencies or connections
- Zero permissions required

### 💪 Professional Grade
- Industry-standard financial formulas
- Comprehensive calculation factors
- Detailed breakdowns of all costs
- Powered by goodtool.org's trusted calculation engine

## Perfect For:
- First-time homebuyers
- Current homeowners considering refinancing
- Real estate investors
- Property managers
- Anyone comparing rent vs buy decisions
- Financial planners and advisors

## How It Works
1. Click the extension icon in your toolbar
2. Choose between Mortgage or Rental tools
3. Select your specific calculator
4. Enter your numbers
5. Get instant, detailed results

## Technical Details
- Lightweight (<1MB)
- No external dependencies
- Built with modern web technologies
- Regular updates and improvements
- Compatible with Chrome 88+

## About Us
Good Tool Extension is developed by goodtool.org.

Install Good Tool Extension today and make smarter housing decisions with confidence!

#mortgage #realestate #personalfinance #investing #calculator

Technical

Version
1.0.0
Manifest
V3
Size
43.68KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
fcapbnahodfdciiaapckckkkfpnfmdjb
Developer ID
udc5a1f04a900669e4e5f05635d2045d8
Developer Email
[email protected]
Created
Jan 2, 2025
Last Updated (Store)
Jan 3, 2025
Last Scraped
May 23, 2026
Website
goodtool.org
Support URL
Privacy Policy

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Data sourced from the Chrome Web Store · last verified May 23, 2026.