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30+ converters, text tools & calculators. No login required. Results update as you type. Works offline.
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Converter
20 tools View all
Kilograms to Pounds
Free kg to lbs converter — instantly convert kilograms to pounds with accurate results, no sign-up needed.
Celsius to Fahrenheit
Convert Celsius to Fahrenheit instantly for free. Simple °C to °F converter with formula, works on any device.
Centimeters to Feet & Inches
Free cm to feet and inches converter. Instantly convert centimeters to ft and in — no sign-up required.
Miles to Kilometers
Convert miles to kilometers instantly with our free mi to km converter. Accurate results, no sign-up needed.
Inches to Centimeters
Free inches to centimeters converter. Convert in to cm instantly with accurate results — no sign-up required.
Currency Converter
Convert 150+ currencies with live exchange rates. Free online currency converter, updated daily, no sign-up.
Timezone Converter
Convert time between any two world timezones instantly. Free timezone converter, no sign-up, works worldwide.
Liters to Gallons
Free liters to gallons converter. Instantly convert L to US or UK gallons — accurate results, no sign-up.
Color Code Converter
Free color code converter — convert between HEX, RGB, HSL, and HSV instantly with live color preview
Roman Numerals
Convert integers to Roman numerals (1–3999) and vice versa instantly. Free online tool, no sign-up needed.
Cups to Milliliters
Free cups to milliliters converter. Convert US cups to ml instantly for cooking and baking — no sign-up.
Fluid Ounces to Milliliters
Convert fluid ounces to milliliters instantly. Free fl oz to ml converter for cooking and recipes, no sign-up.
Feet to Meters
Free feet to meters converter. Instantly convert ft to m with accurate results — no calculator or sign-up needed.
File Size Converter
Free file size converter. Instantly convert KB, MB, GB, and TB in both SI and binary units — no sign-up needed.
Calculator
16 tools View all
BMI Calculator
Free BMI calculator. Instantly calculate your Body Mass Index using weight and height — no sign-up required.
Loan Calculator
Free loan calculator. Calculate monthly payments, total interest, and amortization schedule — no sign-up needed.
Percentage Calculator
Free percentage calculator. Calculate percent of a number, percent change, and ratio instantly — no sign-up.
Tip Calculator
Free tip calculator. Calculate tip amount, split bills evenly, and round totals — instant results, no sign-up.
Mortgage Calculator
Free mortgage calculator. Calculate monthly PITI payment and full amortization schedule — no sign-up needed.
Age Calculator
Free age calculator. Find your exact age in years, months, and days from any birthdate — no sign-up needed.
Calorie Calculator
Free calorie calculator. Calculate daily calorie needs by age, weight, height, and activity level instantly.
Discount Calculator
Free discount calculator. Find sale price and exact savings from any percentage off — no sign-up needed.
Pregnancy Due Date Calculator
Free due date calculator. Find estimated birth date from last menstrual period or conception date instantly.
Ovulation Calculator
Free ovulation calculator. Find your fertile window and ovulation date by cycle — no sign-up needed.
Body Fat Percentage Calculator
Estimate body fat percentage using the US Navy method from neck, waist, and hip measurements
Compound Interest Calculator
Free compound interest calculator. Project investment growth over time with adjustable rate and contributions.
Date Difference Calculator
Free date difference calculator. Find the exact days, weeks, months, and years between any two dates instantly.
Retirement Savings Calculator
Free retirement savings calculator. Project your nest egg and monthly income at retirement — no sign-up needed.
GPA Calculator
Free GPA calculator. Calculate your grade point average from course grades and credit hours — no sign-up needed.
Grade Calculator
Free grade calculator. Calculate your final course grade from weighted assignments and exams — no sign-up.
Text tools
18 tools View all
Word Counter & Statistics
Free word counter. Instantly count words, characters, sentences, and paragraphs in any text — no sign-up needed.
Character Counter
Free online character counter. Count characters, words, and lines instantly for tweets, bios, and SEO metadata.
Password Generator
Generate strong, random passwords with custom length and character sets
JSON Formatter & Validator
Free JSON formatter and validator. Instantly format, validate, and minify JSON online — no sign-up required.
Lorem Ipsum Generator
Generate professional Lorem Ipsum placeholder text for web design, UI/UX mockups, and print layouts
Case Converter & Formatter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more
URL Encoder & Decoder
Free URL encoder and decoder. Instantly encode or decode any URL or query string online — no sign-up needed.
Base64 Encoder & Decoder
Free Base64 encoder and decoder. Instantly encode text to Base64 or decode Base64 strings — no sign-up.
HTML Entity Encoder & Decoder
Free HTML entity encoder and decoder. Instantly encode or decode HTML entities online — no sign-up required.
Text Diff Checker
Free text diff checker. Compare two texts side by side and highlight all additions, deletions, and changes.
Markdown to HTML Converter
Free Markdown to HTML converter. Instantly convert Markdown syntax to clean HTML output — no sign-up needed.
Regex Tester
Free regex tester. Test and debug regular expressions online with live match highlighting — no sign-up needed.