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