Alle kostenlosen Online-Tools
Durchsuchen Sie die vollständige ToolHub-Sammlung. Jedes Tool ist kostenlos und erklärt die Berechnung oder Verarbeitung.
Mortgage Calculator
Finanzrechner
Estimate monthly payments, total interest, and payoff costs.
Loan Calculator
Finanzrechner
Calculate fixed monthly payments and the true cost of borrowing.
Salary Calculator
Finanzrechner
Convert annual salary into monthly, weekly, and hourly pay.
Percentage Calculator
Mathematik-Rechner
Solve percentages, percentage change, tips, discounts, and more.
Scientific Calculator
Mathematik-Rechner
Calculate trigonometry, powers, roots, logarithms, and everyday expressions.
Age Calculator
Datum und Zeit
Find an exact age in years, months, and days.
Date Calculator
Datum und Zeit
Count days between dates or add days to a start date.
BMI Calculator
Gesundheit und Fitness
Calculate body mass index and understand the result range.
GPA Calculator
Studenten-Tools
Calculate weighted grade point average across your classes.
QR Code Generator
Weitere Tools
Create a crisp, downloadable QR code for any link or text.
Image Compressor
Bild-Tools
Reduce image file size in your browser without uploading files.
Investment Calculator
Finanzrechner
Project growth from an initial investment and regular contributions.
Calorie Calculator
Gesundheit und Fitness
Estimate daily calorie needs using the Mifflin-St Jeor equation.
Body Fat Calculator
Gesundheit und Fitness
Estimate body fat percentage using the U.S. Navy method.
Pregnancy Calculator
Gesundheit und Fitness
Estimate a due date from the first day of the last menstrual period.
Fraction Calculator
Mathematik-Rechner
Add, subtract, multiply, and divide fractions.
Triangle Calculator
Mathematik-Rechner
Find a triangle's area and missing side using two sides and an angle.
PDF to Word
Konverter
Extract readable PDF text into a downloadable Word document.
PDF to Excel
Konverter
Extract PDF text into a downloadable CSV spreadsheet.
Image Converter
Konverter
Convert images between PNG, JPEG, and WebP in your browser.
Unit Converter
Konverter
Convert common length, weight, temperature, and volume units.
Resize Image
Bild-Tools
Resize an image to exact pixel dimensions locally.
Convert Image
Bild-Tools
Export an image as PNG, JPEG, or WebP.
Remove Background
Bild-Tools
Make a simple solid-color image background transparent locally.
Word Counter
Text und Schreiben
Count words, characters, sentences, and reading time.
Paraphrasing Tool
Text und Schreiben
Create a simple local paraphrase using readability-focused substitutions.
Grammar Checker
Text und Schreiben
Find common spacing, capitalization, and punctuation issues.
Text to Speech
Text und Schreiben
Read text aloud using your browser's speech engine.
AI Summarizer
KI-Tools
Create a concise extractive summary locally in your browser.
AI Essay Writer
KI-Tools
Generate a structured essay outline and starter draft locally.
AI Rewriter
KI-Tools
Rewrite text in a clearer or more concise local style.
AI Translator
KI-Tools
Translate common phrases locally between English, Spanish, and Portuguese.
Time Calculator
Datum und Zeit
Add or subtract hours, minutes, and seconds.
Hours Calculator
Datum und Zeit
Calculate elapsed hours between start and end times.
Grade Calculator
Studenten-Tools
Calculate a weighted grade from scores and category weights.
Final Grade Calculator
Studenten-Tools
Find the score needed on a final exam to reach a target grade.
Study Planner
Studenten-Tools
Build a simple local study task list with deadlines.
Password Generator
Weitere Tools
Generate a random password locally with adjustable length.
Random Number Generator
Weitere Tools
Generate a random integer within a range.
Color Picker
Weitere Tools
Pick a color and copy its HEX, RGB, and HSL values.