Everyday Web Tools That Are Fast, Private & Free
Calculators, converters, text tools, and developer utilities running 100% in your browser. No server calls, no database, no tracking.
100% Client-Side
Runs entirely inside your browser tab.
Instant Execution
Zero network latency, instant results.
Zero Data Collection
Your data never leaves your device.
Always Free & No Ads
No registration or popups required.
Featured Tools
Real Estate & Rental ROI Calculator
Calculate rental yield, cap rate, monthly cash flow, and ROI on real estate property investments.
Property & Land Area Calculator
Calculate land area, plot dimensions, total property price, and convert real estate land units.
Compound Interest & Investment Calculator
Calculate compound interest growth, monthly investment contributions, and future wealth.
Percentage Calculator
Calculate percentages, percentage increases/decreases, and what percentage one number is of another.
Age Calculator
Calculate exact age in years, months, days, total days lived, and countdown to your next birthday.
BMI Calculator
Calculate Body Mass Index (BMI) in Metric or Imperial units with visual health category indicators.
Loan & EMI Calculator
Calculate monthly loan EMI payments, total interest, and total payable amount with breakdown.
Unit Converter
Convert length, weight, and temperature measurements seamlessly.
Word & Character Counter
Count words, characters (with & without spaces), sentences, paragraphs, and reading time.
Secure Password Generator
Generate strong, customizable, random passwords with strength indicators and instant copy.
QR Code Generator
Generate QR codes for text, URLs, email, or WiFi networks with customizable colors and PNG download.
JSON Formatter & Validator
Beautify, validate, minify, and fix JSON data with line syntax error reporting.
Complete Suite of 15 Tools
From quick math and age calculations to developer utilities like JSON formatting and Base64 conversion.
Real Estate & Rental ROI Calculator
Calculate rental yield, cap rate, monthly cash flow, and ROI on real estate property investments.
Property & Land Area Calculator
Calculate land area, plot dimensions, total property price, and convert real estate land units.
Compound Interest & Investment Calculator
Calculate compound interest growth, monthly investment contributions, and future wealth.
Percentage Calculator
Calculate percentages, percentage increases/decreases, and what percentage one number is of another.
Age Calculator
Calculate exact age in years, months, days, total days lived, and countdown to your next birthday.
BMI Calculator
Calculate Body Mass Index (BMI) in Metric or Imperial units with visual health category indicators.
Loan & EMI Calculator
Calculate monthly loan EMI payments, total interest, and total payable amount with breakdown.
Tip Calculator
Calculate tip amount, total bill with tip, and split bill per person instantly.
Discount Calculator
Calculate discounted sale price, amount saved, and optional tax additions.
Unit Converter
Convert length, weight, and temperature measurements seamlessly.
Date Difference Calculator
Calculate days, weeks, months, and years between two specified dates.
Word & Character Counter
Count words, characters (with & without spaces), sentences, paragraphs, and reading time.
Text Case Converter
Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and kebab-case.
Secure Password Generator
Generate strong, customizable, random passwords with strength indicators and instant copy.
QR Code Generator
Generate QR codes for text, URLs, email, or WiFi networks with customizable colors and PNG download.
Color Format Converter
Convert colors between HEX, RGB, HSL, HSV, and CMYK formats with visual color picker preview.
JSON Formatter & Validator
Beautify, validate, minify, and fix JSON data with line syntax error reporting.
Base64 Encoder & Decoder
Encode text or URLs into Base64 strings and decode Base64 back into readable text.