Developer Tools
16 toolsPixel Converter
Convert pixels to inches, cm, mm, pt, and more
JSON Formatter
Format, validate, and minify JSON data
Diff Checker
Compare text and find differences
Regex Tester
Test and debug regular expressions
UUID Generator
Generate unique identifiers (v1, v4)
Timestamp Converter
Convert Unix timestamps to dates
Base64 Encoder
Encode and decode Base64 strings
URL Encoder
Encode and decode URL components
Hash Generator
Generate MD5, SHA-1, SHA-256 hashes
JWT Decoder
Decode and inspect JSON Web Tokens
HTML to Markdown
Convert HTML code to Markdown syntax
Markdown to HTML
Convert Markdown to HTML code
CSS Minifier
Minify CSS code for production
CSS Formatter
Format and beautify CSS code
JavaScript Minifier
Minify JavaScript for production
JavaScript Formatter
Format and beautify JavaScript code
Financial Calculators
30 toolsMortgage Calculator
Calculate monthly mortgage payments
Amortization Calculator
Generate loan amortization schedules
Loan Calculator
Calculate loan payments and interest
Personal Loan Calculator
Calculate personal loan payments
Auto Loan Calculator
Calculate car loan payments
Student Loan Calculator
Calculate student loan payments
Refinance Calculator
Calculate mortgage refinance savings
Home Equity Loan Calculator
Calculate home equity loan payments
HELOC Calculator
Calculate home equity line of credit
Down Payment Calculator
Calculate down payment requirements
Interest Calculator
Calculate simple and compound interest
Compound Interest Calculator
Calculate compound interest growth
APR Calculator
Calculate annual percentage rate
Credit Card Payoff Calculator
Calculate credit card payoff time
Debt Payoff Calculator
Plan debt payoff with snowball/avalanche
Debt-to-Income Calculator
Calculate your DTI ratio
Salary Calculator
Convert hourly/weekly/monthly/annual salary
Take-Home Paycheck Calculator
Calculate net pay after taxes
Commission Calculator
Calculate sales commission earnings
Budget Calculator
Plan and manage your budget
Savings Calculator
Calculate savings growth over time
Investment Calculator
Calculate investment returns
ROI Calculator
Calculate return on investment
IRR Calculator
Calculate internal rate of return
Retirement Calculator
Plan your retirement savings
401(k) Calculator
Calculate 401(k) growth and contributions
IRA Calculator
Calculate Traditional IRA growth
Roth IRA Calculator
Calculate Roth IRA growth
Inflation Calculator
Calculate inflation impact over time
Currency Calculator
Convert between currencies
Math & Statistics
15 toolsScientific Calculator
Advanced scientific calculations
Percentage Calculator
Calculate percentages easily
Probability Calculator
Calculate probability of events
Statistics Calculator
Calculate mean, variance, and more
Standard Deviation Calculator
Calculate standard deviation
Mean Median Mode Calculator
Calculate central tendency measures
Z-Score Calculator
Calculate z-scores and probabilities
Confidence Interval Calculator
Calculate confidence intervals
P-Value Calculator
Calculate p-values for hypothesis tests
Sample Size Calculator
Calculate required sample size
Triangle Calculator
Calculate triangle properties
Right Triangle Calculator
Solve right triangle problems
Circle Calculator
Calculate circle properties
Area Calculator
Calculate area of various shapes
Distance Calculator
Calculate distance between points
Construction & Home
10 toolsPaint Calculator
Calculate paint needed for walls
Flooring Calculator
Calculate flooring materials needed
Fence Calculator
Calculate fence materials and cost
Lumber Calculator
Calculate board feet and lumber needs
Drywall Calculator
Calculate drywall sheets needed
Deck Calculator
Calculate deck materials and cost
Brick Calculator
Calculate bricks needed for a project
Room Size Calculator
Calculate room square footage
AC Size Calculator
Calculate BTU requirements for AC
Water Heater Size Calculator
Calculate water heater capacity needed
Design & Media
8 toolsAspect Ratio Calculator
Calculate and convert aspect ratios
Print Size Calculator
Calculate print dimensions and DPI
Color Contrast Checker
Check WCAG color contrast ratios
DPI Calculator
Calculate dots per inch for printing
Video Bitrate Calculator
Calculate optimal video bitrate
Video File Size Calculator
Estimate video file size
Frame Rate Converter
Convert between frame rates
Screen Resolution Comparison
Compare screen resolutions
Education & Productivity
7 toolsGPA Calculator
Calculate grade point average
Cumulative GPA Calculator
Calculate cumulative GPA
Final Grade Calculator
Calculate grade needed on final
Test Score Calculator
Calculate test scores and percentages
Reading Time Calculator
Estimate reading time for text
Study Time Calculator
Plan study sessions effectively
Student Budget Calculator
Plan student finances and expenses
Travel & Auto
6 toolsTrip Cost Calculator
Estimate total trip expenses
Road Trip Cost Calculator
Calculate road trip gas and costs
MPG Calculator
Calculate miles per gallon
Flight Time Calculator
Estimate flight duration
Vacation Budget Calculator
Plan vacation budget and expenses
Car Lease vs Buy Calculator
Compare leasing vs buying a car