Goodtech App

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Collection of useful web tools

Useful Tools for Quick On-Demand Usage

A collection of free, easy-to-use web tools designed to help you with financial planning, calculations, and everyday tasks.

Capital Gains Calculator

Available

Calculate capital gains and taxes on your stock trades with US 2025 tax rates.

Mortgage Calculator

Coming Soon

Calculate monthly mortgage payments, interest, and amortization schedules.

Retirement Calculator

Coming Soon

Plan your retirement savings and calculate future value of investments.

Loan Calculator

Coming Soon

Calculate loan payments, interest rates, and loan terms for various loan types.

Budget Planner

Coming Soon

Create and manage your personal budget with income and expense tracking.

Tax Calculator

Coming Soon

Calculate income taxes, deductions, and tax planning strategies.

UUID Generator

Available

Generate unique identifiers (UUIDs) for your applications and databases.

JSON Formatter & Validator

Available

Format, validate, and minify JSON data with pretty-printing and error detection.

Text Case Converter

Available

Convert text between different cases: uppercase, lowercase, camelCase, snake_case, and more.

Color Picker & Converter

Available

Convert colors between HEX, RGB, and HSL formats with real-time preview and color picker.

Currency Formatter

Available

Format numbers into different currency styles using international standards and locales.

Tip Calculator

Available

Calculate tips and split bills easily with real-time calculations and multiple tip options.

Age Calculator

Available

Calculate exact age, next birthday, zodiac sign, and generation with precise date calculations.

Word & Character Counter

Available

Analyze text with detailed statistics, word counts, reading time estimates, and writing metrics.

Password Generator

Available

Generate secure, customizable passwords with various character sets and security options.

Unix Timestamp Converter

Available

Convert between Unix timestamps and human-readable dates with timezone support.

Need a specific tool?

We're constantly adding new tools based on user needs. Let us know what tool would be most helpful for you.