All 60 tools, in one searchable directory.
Search by task, then open a dedicated page with a focused interface and useful result breakdown.
Finance & MoneyMortgage Calculator
Estimate monthly U.S. mortgage payments, principal and interest from home price, down payment, rate and loan term.
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Finance & MoneyAuto Loan Calculator
Estimate a monthly car payment using vehicle price, down payment, trade-in, APR and loan term.
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Finance & MoneyLoan Calculator
Calculate fixed-rate loan payments, total interest and total repayment cost.
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Finance & MoneyPaycheck Calculator
Estimate take-home pay from gross pay using federal, state and payroll tax assumptions.
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Finance & MoneySalary Calculator
Convert annual salary into monthly, biweekly, weekly, daily and hourly earnings.
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Finance & MoneyHourly to Salary Calculator
Convert an hourly wage into estimated weekly, monthly and annual income.
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Finance & MoneyOvertime Pay Calculator
Estimate regular and overtime wages using weekly hours and an overtime multiplier.
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Finance & MoneySales Tax Calculator
Add or back out sales tax from a purchase using any local tax rate.
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Finance & MoneyTip Calculator
Calculate tip amount, total bill and per-person split in seconds.
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Finance & MoneyCompound Interest Calculator
Project investment growth using principal, recurring contributions, rate and compounding frequency.
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Finance & MoneyCredit Card Payoff Calculator
Estimate how long it takes to pay off credit card debt and the interest paid.
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Finance & MoneyDebt Payoff Calculator
Estimate a payoff timeline for a fixed balance, APR and monthly payment.
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Finance & Money401(k) Calculator
Project 401(k) retirement savings from salary, contributions, employer match and expected return.
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Finance & MoneyRetirement Calculator
Estimate future retirement savings from current balance, monthly contributions and investment return.
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Finance & MoneyRent vs Buy Calculator
Compare estimated monthly cost of renting versus buying a home.
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Finance & MoneyHome Affordability Calculator
Estimate an affordable home price from income, debts, down payment and interest rate.
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Finance & MoneyRefinance Calculator
Compare current and proposed mortgage payments and estimate refinance break-even time.
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Finance & MoneyStudent Loan Calculator
Estimate monthly student loan payments and total interest for a fixed repayment term.
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Finance & MoneyFederal Income Tax Calculator
Create a simple federal income tax estimate using editable taxable income and effective rate assumptions.
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Finance & MoneyState Income Tax Calculator
Estimate state income tax using taxable income and a user-provided state tax rate.
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Health & WellnessBMI Calculator
Calculate Body Mass Index from U.S. or metric height and weight inputs.
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Health & WellnessCalorie Calculator
Estimate daily calorie needs from age, sex, height, weight and activity level using Mifflin-St Jeor.
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Health & WellnessTDEE Calculator
Estimate total daily energy expenditure from BMR and activity level.
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Health & WellnessMacro Calculator
Split daily calories into protein, carbs and fat using adjustable percentages.
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Health & WellnessBody Fat Calculator
Estimate body fat percentage using the U.S. Navy circumference method.
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Health & WellnessIdeal Weight Calculator
Estimate an ideal weight range from height using several common reference formulas.
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Health & WellnessWater Intake Calculator
Estimate daily water intake from body weight and activity time.
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Health & WellnessPregnancy Due Date Calculator
Estimate a pregnancy due date from the first day of the last menstrual period.
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Health & WellnessOvulation Calculator
Estimate ovulation and fertile-window dates from cycle timing.
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Health & WellnessSleep Calculator
Plan wake or bedtime options around 90-minute sleep-cycle estimates.
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Math, Date & ConversionAge Calculator
Calculate exact age in years, months and days from a birth date.
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Math, Date & ConversionDate Difference Calculator
Find the number of days, weeks and approximate months between two dates.
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Math, Date & ConversionTime Duration Calculator
Calculate elapsed time between two clock times.
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Math, Date & ConversionPercentage Calculator
Quickly solve common percentage questions such as X% of Y.
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Math, Date & ConversionPercentage Increase Calculator
Calculate percentage increase or decrease between an old and new value.
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Math, Date & ConversionUnit Converter
Convert common length, weight and temperature measurements.
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Math, Date & ConversionMiles ↔ Kilometers Converter
Convert miles to kilometers or kilometers to miles instantly.
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EducationGPA Calculator
Calculate a weighted GPA from course grades and credit hours.
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EducationGrade Calculator
Calculate a course percentage and letter grade from earned and possible points.
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EducationFraction Calculator
Add, subtract, multiply or divide two fractions and simplify the result.
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PDF ToolsPDF Compressor
Reduce PDF file size in-browser by rebuilding image-heavy pages at a chosen quality level.
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PDF ToolsMerge PDF
Combine multiple PDF files into one downloadable PDF directly in your browser.
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PDF ToolsSplit PDF
Extract a selected page range into a new PDF file.
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PDF ToolsPDF to Word
Extract text from a PDF and download an editable Word-compatible .doc file.
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PDF ToolsWord to PDF
Turn typed or pasted text into a clean downloadable PDF document.
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PDF ToolsJPG to PDF
Convert one or more JPG/PNG images into a single PDF.
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PDF ToolsPDF to JPG
Render a selected PDF page as a downloadable JPG image.
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Image ToolsImage Compressor
Compress JPG, PNG or WebP images in-browser with adjustable quality.
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Image ToolsImage Resizer
Resize an image to exact pixel dimensions and download the result.
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Image ToolsHEIC to JPG Converter
Convert iPhone HEIC photos to JPG in the browser.
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Image ToolsWebP to JPG/PNG Converter
Convert WebP images to JPG or PNG with a simple local workflow.
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Image ToolsBackground Remover
Remove a light or solid-color image background locally using adjustable tolerance.
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Developer & UtilityQR Code Generator
Generate downloadable QR codes for links, text, Wi-Fi details or contact information.
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Developer & UtilityWord Counter
Count words, characters, sentences and estimated reading time.
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Developer & UtilityCharacter Counter
Count characters with and without spaces for social, forms and writing limits.
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Developer & UtilityPassword Generator
Generate strong random passwords with adjustable length and character types.
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Developer & UtilityJSON Formatter & Validator
Format, minify and validate JSON with readable error feedback.
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Developer & UtilityBase64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text.
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Developer & UtilityUnix Timestamp Converter
Convert Unix timestamps to human-readable dates and back.
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Developer & UtilityUUID Generator
Generate one or many RFC 4122 version 4 UUIDs locally.
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