Hulpmiddelen Tools

Password Generator

Create strong and secure passwords

QR Code Generator

Generate QR codes from text or URLs

Unit Price Calculator

Vergelijk prijzen en vind de beste deal

Age Calculator

Calculate your exact age in years, months, days, hours and minutes

Alarm Clock

Set multiple alarms with custom names, sound selection, browser notifications, and snooze functionality using Web Audio API

Aspect Ratio Calculator

Calculate aspect ratios and resize dimensions proportionally with common ratio presets, simplification, and pixel count display

BMI Calculator

Calculate Body Mass Index from height and weight

Broadband Speed Calculator

Calculate download and upload times based on speed and file size

Browser Info

Detect and display detailed browser and system information including browser version, OS, screen resolution, and more

Calorie Calculator

Calculate daily calorie needs and BMR using the Mifflin-St Jeor equation

Color Mixer

Mix two colors together with adjustable ratio

Compound Interest Calculator

Calculate compound interest with regular contributions and see your investment grow over time

Cooking Converter

Convert cooking measurements including cups, tablespoons, teaspoons, ml, oz, and grams

Countdown Timer

Set countdown timers with browser notifications

Credit Card Validator

Validate credit card numbers using Luhn algorithm and identify card type

Daily Quote

Get daily inspirational quotes and wisdom

Date Difference Calculator

Calculate the difference between two dates

Dice Roller

Roll dice with customizable sides and count

Discount Calculator

Calculate discounted prices, savings, and percentage off from original prices

Draw Lots

Draw fortune lots for guidance and inspiration

Dress Size Converter

Convert clothing sizes between US, UK, EU, and JP for men and women

Emoji Picker

Browse and search all common emojis with one-click copy, category tabs, recently used, and skin tone selector

Fuel Cost Calculator

Calculate fuel costs for trips with distance, fuel efficiency, and price inputs. Supports MPG and L/100km with round trip and passenger cost splitting

Fuel Efficiency Calculator

Calculate fuel efficiency in MPG and L/100km with trip cost estimation

GPA Calculator

Calculate your Grade Point Average with support for multiple grading scales and credit hours

Invoice Generator

Create professional invoices with itemized billing and PDF export

IP Address Info

Look up IP address geolocation and network information

List Randomizer

Shuffle and randomize lists with multiple sorting options

Loan Calculator

Calculate monthly loan/mortgage payments, total interest, and view a full amortization schedule with pie chart visualization

Password Strength Checker

Check password strength and security level

PDF Viewer

View and read PDF files directly in your browser with zoom and page navigation

Percentage Calculator

Calculate percentages, increases and decreases

Pixel Calculator

Calculate pixel dimensions, PPI, and resolution conversions

Pomodoro Timer

Focus timer with Pomodoro technique, break reminders, and session tracking

Pregnancy Calculator

Calculate your due date, current week, trimester, and key pregnancy milestones

QR Code Decoder

Decode QR codes from uploaded images

Random Number Generator

Generate random numbers with custom range

Random Picker

Randomly pick items from a list

Ratio Calculator

Solve proportions, simplify ratios, convert ratios, scale and compare ratios

Ring Size Converter

Convert ring sizes between US, UK, EU, and JP with diameter measurement

Rock Paper Scissors

Play Rock Paper Scissors against the computer

Salary Calculator

Estimate after-tax salary with progressive tax rates

Savings Calculator

Calculate savings growth with regular deposits and compound interest. Visualize your savings with charts and year-by-year breakdown.

Scientific Calculator

Full-featured scientific calculator with trigonometric, logarithmic, and algebraic functions

Screen Resolution Detector

Detect screen and viewport resolution with responsive breakpoint testing and real-time resize updates

Shoe Size Converter

Convert shoe sizes between US, UK, EU, and CM for men and women

Stopwatch

Free online stopwatch with millisecond precision, lap times, and keyboard shortcuts

Tip Calculator

Bereken fooibedragen en rekeningen verdelen

Unicode Search

Search and browse Unicode characters by name, code point, or category

White Noise Generator

Generate ambient sounds for focus, relaxation, and sleep

World Clock

Display current time in multiple cities and timezones simultaneously with day/night indicators and 12/24 hour format

Password Policy Checker

Check if passwords meet common security policy requirements

Timezone Difference Calculator

Compare times between two timezones and find overlapping working hours