All Tools
Every tool has its own page for fast loading and SEO.
Tip Calculator
Calculate restaurant tips and split bills instantly.
Bill Splitter
Split a bill evenly or by custom amounts among friends.
Percentage Calculator
Find percentages, percent of a number, and percent change.
Discount Calculator
Calculate sale price after a percentage discount.
BMI Calculator
Calculate Body Mass Index with metric or imperial units.
Ideal Weight Calculator
Estimate healthy weight range based on your height.
Age Calculator
Find your exact age in years, months, and days.
Days Between Dates
Count calendar days, weeks, and months between two dates.
Countdown Timer
Count down to any future date or event.
Length Converter
Convert cm, inches, feet, meters, miles, and more.
Weight Converter
Convert kg, pounds, ounces, and stones.
Temperature Converter
Convert Celsius, Fahrenheit, and Kelvin.
Random Number Generator
Generate random numbers within a custom range.
Sales Tax Calculator
Calculate sales tax and total price for any US tax rate.
Calorie Calculator
Estimate daily calorie needs based on age, weight, and activity.
Water Intake Calculator
Find how much water you should drink daily based on weight.
Pregnancy Due Date Calculator
Estimate your due date from the first day of your last period.
Workdays Calculator
Count business days between two dates (Mon–Fri).
Area Converter
Convert square meters, acres, hectares, square feet, and more.
Volume Converter
Convert liters, gallons, cups, milliliters, and cubic meters.
Speed Converter
Convert mph, km/h, m/s, knots, and feet per second.
Dice Roller
Roll virtual dice — d4, d6, d20, or any custom sides.
Decision Wheel
Spin a wheel to pick randomly from your options.
Name Picker
Randomly pick a name from your list — perfect for giveaways.
Character Counter
Count characters and words for Twitter, Instagram, and more.
Recipe Scaler
Scale recipe ingredients up or down for any serving size.
Cooking Converter
Convert cups and tablespoons to grams for common ingredients.
Oven Temperature Converter
Convert oven temperatures between Celsius, Fahrenheit, and Gas Mark.
Image Compressor
Compress JPG images in your browser — reduce file size instantly.
Image Resizer
Resize images to exact pixel dimensions with aspect ratio lock.
JPG to PNG Converter
Convert JPEG images to PNG format locally.
QR Code Generator
Generate QR codes from text or URLs — free and instant.
Merge PDF
Combine multiple PDF files into one — free, in your browser.
Split PDF
Extract page ranges from a PDF file locally.