Handy online tools, all in one place
Fast calculators, converters, and generators that run right in your browser. No downloads, no accounts, no cost — just open and go.
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17 free tools and growingAge Calculator
Free age calculator to find out exactly how old you are. Get your chronological age in years, months, and days, plus the total days you have lived.
DatePercentage Calculator
Free percentage calculator. Find a percent of a number, work out what percent one value is of another, and calculate percentage increase or decrease.
MathUnit Converter
Free unit converter for length, weight, and temperature. Switch between US and metric units like inches, cm, pounds, kilograms, Fahrenheit and Celsius.
ConvertWord Counter
Free word counter and character counter. Count words, characters, sentences, and paragraphs in your text instantly. Great for essays and posts.
TextQR Code Generator
Free QR code generator. Turn any text or URL into a downloadable QR code instantly in your browser. No watermark, no sign-up, no cost.
GeneratorPassword Generator
Free password generator. Create strong, random, secure passwords with custom length and character types. Generated privately in your browser.
GeneratorLoan Calculator
Free loan and EMI calculator. Enter amount, interest rate, and term to see your monthly payment, total interest, and total cost. Choose your currency.
FinanceCompound Interest Calculator
Free compound interest calculator. See how savings grow with interest and monthly contributions over time. Choose your currency and compounding frequency.
FinanceBMI Calculator
Free BMI calculator. Enter your height and weight in metric or US units to find your body mass index and see your weight category instantly.
HealthTip Calculator
Free tip calculator. Enter your bill and tip percent to get the tip amount and total, and split the bill evenly between any number of people.
FinanceDiscount Calculator
Free discount calculator. Enter the original price and discount percent to instantly see the sale price and how much money you save.
FinanceDays Between Dates
Free days between dates calculator. Pick a start and end date to count the exact number of days and weeks between them, instantly in your browser.
DateText Case Converter
Free text case converter. Instantly change text to UPPERCASE, lowercase, Title Case, or Sentence case, then copy the result. No sign-up needed.
TextAverage Calculator
Free average calculator. Enter a list of numbers to find the mean, median, sum, count, minimum and maximum instantly in your browser. No sign-up.
MathSales Tax Calculator
Free sales tax calculator. Enter an amount and tax rate to see the tax and the total price. Choose your currency. Instant results in your browser.
FinanceRandom Number Generator
Free random number generator. Pick random numbers in any range, choose how many, and allow or prevent duplicates. Runs instantly in your browser.
GeneratorRoman Numeral Converter
Free Roman numeral converter. Convert numbers to Roman numerals and Roman numerals back to numbers, from 1 to 3999. Instant and free in your browser.
ConvertGPA Calculator
Free GPA calculator. Enter your courses, grades, and credit hours to calculate your grade point average on a 4.0 scale instantly. No sign-up.
MathHours Calculator
Free hours calculator. Enter a start and end time to find the hours and minutes between them, minus an optional break. Handles overnight shifts.
DateCurrency Converter
Free currency converter with live exchange rates. Convert USD, EUR, GBP, PKR, INR and 150+ currencies instantly in your browser. No sign-up.
FinanceJSON Formatter
Free online JSON formatter and validator. Beautify, pretty-print, minify, and validate JSON instantly in your browser. No sign-up, fully private.
DeveloperMarkdown to HTML
Free Markdown to HTML converter with live preview. Type Markdown and get clean HTML instantly in your browser. No sign-up, fully private.
DeveloperTikTok Money Calculator
Free TikTok Creator Rewards Program calculator for 2026. Estimate your payout from total views, qualified-view percentage, and RPM under the new rules.
CreatorAI API Cost Calculator
Free AI API token cost calculator. Estimate your monthly OpenAI and Claude API bill from input and output tokens, with up-to-date 2026 model prices.
DeveloperYouTube Shorts vs Long-Form
Free YouTube Shorts vs long-form revenue calculator. Compare estimated earnings side by side from your average views and each format's RPM in 2026.
CreatorStripe Fee Calculator
Free Stripe fee calculator for 2026. See the exact Stripe fee and your net payout for domestic and international card payments, including currency conversion.
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