Free online tools for everyday tasks
Calculators, converters, generators and text tools — all in one place. Runs entirely in your browser, no sign-up needed.
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Calculators
Free online calculators for everyday math, finance, and health. Quick and easy to use.
Converters
Convert between any units of length, weight, temperature, volume, area, and cooking measurements.
Text Tools
Word counters, case converters, text cleaners, and other text manipulation utilities.
Generators
Generate passwords, QR codes, random numbers, and more with our free generator tools.
Productivity Tools
Boost your productivity with time-saving tools and utilities designed for everyday tasks.
Popular tools
Age Calculator
Calculate your exact age in years, months, days, hours, and minutes from your birth date.
Percentage Calculator
Calculate percentages quickly. Find percentages of numbers, percent change, and percentage differences.
Discount Calculator
Calculate sale prices, discounts, and savings instantly. Find the final price after any discount percentage.
BMI Calculator
Calculate your Body Mass Index (BMI) instantly. Understand your health category with our free BMI calculator.
Date Calculator
Calculate the difference between two dates or add/subtract days from a date. Find the duration between dates instantly.
Length Converter
Convert between any units of length including inches, feet, meters, centimeters, kilometers, miles, and more.
All tools (27)
View all →Weight Converter
Convert between pounds, kilograms, ounces, grams, tons, and more weight units instantly.
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin temperature scales instantly.
Volume Converter
Convert between liters, milliliters, gallons, quarts, pints, cups, fluid ounces, and more volume units.
Cooking Converter
Convert cooking measurements between cups, ounces, grams, tablespoons, teaspoons, and more.
Word Counter
Count words, characters, sentences, paragraphs, and reading time in any text instantly.
Character Counter
Count characters with and without spaces, words, lines, and more in any text.
Case Converter
Convert text to uppercase, lowercase, title case, sentence case, camel case, snake case, and more.
Text Cleaner
Clean text by removing extra spaces, line breaks, special characters, and formatting issues.
Password Generator
Generate strong, secure, random passwords with customizable length and character types.
QR Code Generator
Generate QR codes for URLs, text, email, phone numbers, and SMS. Download as PNG image.
Random Number Generator
Generate random numbers within a range, generate multiple numbers, and pick random items.
Ratio Calculator
Simplify ratios, find equivalent ratios, and solve ratio problems quickly.
Speed Converter
Convert between speed units: km/h, mph, m/s, knots, and ft/s.
Data Size Converter
Convert between data storage units: bytes, KB, MB, GB, TB, and PB.
Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal bases.
Sentence Counter
Count sentences, paragraphs, and analyze sentence length in your text.
Reverse Text
Reverse text, create mirror text, and reverse word order instantly.
UUID Generator
Generate UUID v4 identifiers in multiple formats. Standard, no dashes, and uppercase.
Lorem Ipsum Generator
Generate placeholder text with options for words, sentences, or paragraphs.
Time Calculator
Add or subtract time, and calculate the difference between two dates or times.
Unit Price Calculator
Calculate unit price, compare prices between items, and find the best deal.
How it works
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Frequently asked questions
Yes! All tools on Novlyn Tools are 100% free to use. We do not charge any fees or require sign-up for using our tools.
No. Novlyn Tools is a fully web-based platform. You can use any of our tools instantly in your browser without installing any software.
Absolutely. Most of our tools process data directly in your browser, meaning your information never leaves your device.
Yes! Novlyn Tools is fully responsive and works on smartphones, tablets, laptops, and desktop computers with any modern browser.
We add new tools regularly. Follow our blog or check back often to discover the latest additions to our growing collection.
Some tools may work after initial page load if cached by your browser. However, an internet connection is generally required for the best experience.