All Free Online Tools

Complete directory of 101 free calculators, converters, and developer tools.

Developer Tools (16)

Pixel Converter JSON Formatter Diff Checker Regex Tester UUID Generator Timestamp Converter Base64 Encoder URL Encoder Hash Generator JWT Decoder HTML to Markdown Converter Markdown to HTML Converter CSS Minifier CSS Formatter JavaScript Minifier JavaScript Formatter

Financial Calculators (30)

Mortgage Calculator Amortization Calculator Loan Calculator Personal Loan Calculator Auto Loan Calculator Student Loan Calculator Refinance Calculator Home Equity Loan Calculator HELOC Calculator Down Payment Calculator Interest Calculator Compound Interest Calculator APR Calculator Credit Card Payoff Calculator Debt Payoff Calculator Debt-to-Income Calculator Salary Calculator Take-Home Paycheck Calculator Commission Calculator Budget Calculator Savings Calculator Investment Calculator ROI Calculator IRR Calculator Retirement Calculator 401(k) Calculator IRA Calculator Roth IRA Calculator Inflation Calculator Currency Calculator

Math & Statistics (15)

Scientific Calculator Percentage Calculator Probability Calculator Statistics Calculator Standard Deviation Calculator Mean Median Mode Calculator Z-Score Calculator Confidence Interval Calculator P-Value Calculator Sample Size Calculator Triangle Calculator Right Triangle Calculator Circle Calculator Area Calculator Distance Calculator

Construction & Home (10)

Paint Calculator Flooring Calculator Fence Calculator Lumber Calculator Drywall Calculator Deck Calculator Brick Calculator Room Size Calculator AC Size Calculator Water Heater Size Calculator

Design & Media (8)

Aspect Ratio Calculator Print Size Calculator Color Contrast Checker DPI Calculator Video Bitrate Calculator Video File Size Calculator Frame Rate Converter Screen Resolution Comparison

Education & Productivity (7)

GPA Calculator Cumulative GPA Calculator Final Grade Calculator Test Score Calculator Reading Time Calculator Study Time Calculator Student Budget Calculator

Travel & Auto (6)

Trip Cost Calculator Road Trip Cost Calculator MPG Calculator Flight Time Calculator Vacation Budget Calculator Car Lease vs Buy Calculator

Cooking (5)

Recipe Scaler Cooking Converter Baking Converter Oven Temperature Converter Cooking Measurement Converter

Pets (4)

Dog Age Calculator Cat Age Calculator Aquarium Size Calculator Fish Tank Volume Calculator