Free Tools & Calculators

Essential online tools built specifically for Germany. Calculate taxes, plan your budget, and make informed decisions.

Popular Tools

Financial

Currency Converter

Convert between world currencies with live exchange rates.

Use Tool 368 uses

Health & Fitness

BMI Calculator

Calculate your Body Mass Index and see if you're at a healthy weight.

Use Tool 315 uses

Converters

Length Converter

Convert between metric and imperial length units.

Use Tool 303 uses

Design & CSS

Color Picker

Pick colors and get HEX, RGB, and HSL values.

Use Tool 329 uses

Developer Tools

JSON Formatter

Format, validate, and beautify JSON data.

Use Tool 325 uses

Math & Education

Scientific Calculator

Full-featured scientific calculator with advanced functions.

Use Tool 319 uses

Date & Time

Age Calculator

Calculate your exact age in years, months, and days.

Use Tool 179 uses

Text Tools

Word Counter

Count words, characters, sentences, and paragraphs.

Use Tool 160 uses

Financial

Salary Calculator

Calculate your take-home pay after tax, ACC, and Gesetzliche Rentenversicherung.

Use Tool 236 uses

Health & Fitness

Calorie Calculator

Calculate your daily calorie needs for weight goals.

Use Tool 182 uses

Converters

Weight Converter

Convert between kilograms, pounds, and other weight units.

Use Tool 184 uses

Financial

Tax Calculator

Calculate your income tax based on DE tax brackets.

Use Tool 210 uses

Financial

Financial calculators and tools for budgeting, investments, taxes, loans, and money management.

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Currency Converter

Convert between world currencies with live exchange rates.

Use Tool 368 uses

Salary Calculator

Calculate your take-home pay after tax, ACC, and Gesetzliche Rentenversicherung.

Use Tool 236 uses

Tax Calculator

Calculate your income tax based on DE tax brackets.

Use Tool 210 uses

Mortgage Calculator

Calculate your mortgage repayments and total interest.

Use Tool 224 uses

Loan Calculator

Calculate loan repayments for personal and car loans.

Use Tool 199 uses

Compound Interest Calculator

Calculate compound interest growth over time.

Use Tool 200 uses

Investment Calculator

Project your investment growth with regular contributions.

Use Tool 260 uses

Savings Calculator

Plan your savings goals and see how quickly you can reach them.

Use Tool 194 uses

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Health & Fitness

Health and fitness calculators for BMI, calories, macros, heart rate, and wellness tracking.

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BMI Calculator

Calculate your Body Mass Index and see if you're at a healthy weight.

Use Tool 315 uses

Calorie Calculator

Calculate your daily calorie needs for weight goals.

Use Tool 182 uses

BMR Calculator

Calculate your Basal Metabolic Rate.

Use Tool 203 uses

Macro Calculator

Calculate your ideal protein, carbs, and fat macros.

Use Tool 199 uses

Protein Calculator

Calculate your daily protein needs.

Use Tool 193 uses

Body Fat Calculator

Estimate your body fat percentage.

Use Tool 191 uses

Ideal Weight Calculator

Calculate your ideal body weight based on height.

Use Tool 188 uses

Water Intake Calculator

Calculate how much water you should drink daily.

Use Tool 181 uses

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Converters

Unit converters for length, weight, temperature, volume, area, speed, and more.

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Length Converter

Convert between metric and imperial length units.

Use Tool 303 uses

Weight Converter

Convert between kilograms, pounds, and other weight units.

Use Tool 184 uses

Temperature Converter

Convert between Celsius, Fahrenheit, and Kelvin.

Use Tool 183 uses

Volume Converter

Convert between liters, gallons, and other volume units.

Use Tool 176 uses

Area Converter

Convert between square meters, acres, and other area units.

Use Tool 170 uses

Speed Converter

Convert between km/h, mph, and other speed units.

Use Tool 191 uses

Time Converter

Convert between hours, minutes, seconds, and more.

Use Tool 188 uses

Data Storage Converter

Convert between bytes, KB, MB, GB, TB, and more.

Use Tool 161 uses

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Design & CSS

Design tools and CSS generators for colors, gradients, shadows, borders, and visual effects.

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Color Picker

Pick colors and get HEX, RGB, and HSL values.

Use Tool 329 uses

Color Converter

Convert between HEX, RGB, HSL, and other color formats.

Use Tool 177 uses

Gradient Generator

Create beautiful CSS gradients with custom colors.

Use Tool 257 uses

Color Palette Generator

Generate harmonious color palettes for your designs.

Use Tool 177 uses

Box Shadow Generator

Create CSS box shadows with visual controls.

Use Tool 188 uses

Border Radius Generator

Create CSS border-radius with individual corner controls.

Use Tool 174 uses

PX to REM Converter

Convert between pixels and rem units for CSS.

Use Tool 184 uses

PX to EM Converter

Convert between pixels and em units for CSS.

Use Tool 177 uses

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Developer Tools

Developer utilities for encoding, hashing, formatting, regex testing, and code generation.

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JSON Formatter

Format, validate, and beautify JSON data.

Use Tool 325 uses

Base64 Encoder/Decoder

Encode and decode text to/from Base64.

Use Tool 163 uses

URL Encoder/Decoder

Encode and decode URLs and query strings.

Use Tool 148 uses

HTML Encoder/Decoder

Encode and decode HTML entities.

Use Tool 143 uses

Hash Generator

Generate MD5, SHA-1, SHA-256, and other hash values.

Use Tool 166 uses

Password Generator

Generate secure random passwords.

Use Tool 155 uses

UUID Generator

Generate unique UUIDs (v1, v4) for development.

Use Tool 175 uses

Regex Tester

Test and debug regular expressions.

Use Tool 140 uses

View all Developer Tools tools

Math & Education

Math calculators and educational tools for fractions, percentages, GPA, statistics, and more.

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Scientific Calculator

Full-featured scientific calculator with advanced functions.

Use Tool 319 uses

Fraction Calculator

Add, subtract, multiply, and divide fractions.

Use Tool 183 uses

Ratio Calculator

Calculate ratios, proportions, and scaling.

Use Tool 179 uses

GCD & LCM Calculator

Find the Greatest Common Divisor and Least Common Multiple.

Use Tool 172 uses

Prime Number Checker

Check if a number is prime and find prime factors.

Use Tool 202 uses

Random Number Generator

Generate random numbers within a range.

Use Tool 177 uses

Number Base Converter

Convert between binary, decimal, hex, and octal.

Use Tool 185 uses

Roman Numeral Converter

Convert between Roman numerals and Arabic numbers.

Use Tool 158 uses

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Date & Time

Date and time tools for age calculation, countdowns, time zones, timestamps, and scheduling.

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Age Calculator

Calculate your exact age in years, months, and days.

Use Tool 179 uses

Date Difference Calculator

Calculate the number of days between two dates.

Use Tool 169 uses

Date Add/Subtract

Add or subtract days, weeks, months from a date.

Use Tool 168 uses

Timezone Converter

Convert times between different time zones.

Use Tool 168 uses

Unix Timestamp Converter

Convert between Unix timestamps and human dates.

Use Tool 156 uses

Week Number Calculator

Find the week number for any date.

Use Tool 169 uses

Countdown Timer

Create countdowns to important dates and events.

Use Tool 163 uses

Stopwatch

Online stopwatch with lap times.

Use Tool 138 uses

Text Tools

Text utilities for word counting, case conversion, encoding, formatting, and text manipulation.

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Word Counter

Count words, characters, sentences, and paragraphs.

Use Tool 160 uses

Character Counter

Count characters with and without spaces.

Use Tool 191 uses

Case Converter

Convert text to uppercase, lowercase, title case, and more.

Use Tool 178 uses

Lorem Ipsum Generator

Generate placeholder text for designs and layouts.

Use Tool 161 uses

Slug Generator

Convert text to URL-friendly slugs.

Use Tool 153 uses

Text Diff Checker

Compare two texts and highlight differences.

Use Tool 147 uses

Duplicate Line Remover

Remove duplicate lines from text.

Use Tool 167 uses

String Reverser

Reverse text strings and words.

Use Tool 126 uses

View all Text Tools tools

Financial Health & Fitness Converters Design & CSS Developer Tools Math & Education Date & Time Text Tools