Free Online Calculators & Tools
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PDF & Document
5 Tools
Health & Fitness
11 Tools
Math & Science
3 Tools
Finance
1 Tool
Productivity
3 Tools
Language & Reference
1 Tool
🛠️ All Tools
Browse our complete collection of free online tools and calculators.
JPG to PDF Converter
PDF Tool
Convert your JPG, PNG, and other image files to PDF format instantly. Drag and drop multiple images, rearrange order, and download as a single PDF.
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PDF Editor
PDF Tool
Edit PDF files directly in your browser. Add text, highlight, draw annotations, and modify your PDF documents without any software installation.
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PDF to Excel Converter
PDF Tool
Extract tables and data from PDF files and convert them to Excel spreadsheets. Fast, accurate, and completely free to use.
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Bank Statement to Excel
PDF Tool
Convert your bank statements (PDF) to organized Excel spreadsheets. Automatically extracts transactions, dates, and amounts.
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Blank PDF Creator
PDF Tool
Create blank PDF documents with custom page sizes, orientation, margins, and page count. Perfect for templates and form creation.
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BMR Calculator
Health
Calculate your Basal Metabolic Rate — the number of calories your body burns at rest. Uses Mifflin-St Jeor and Harris-Benedict equations.
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TDEE Calculator
Health
Find your Total Daily Energy Expenditure based on your BMR and activity level. Know exactly how many calories you burn each day.
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Maintenance Calories Calculator
Health
Determine the exact number of calories you need to maintain your current weight based on age, gender, height, weight, and activity level.
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Walking Calorie Calculator
Health
Calculate calories burned while walking based on distance, speed, weight, and terrain. Track your walking workout calories easily.
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Macronutrient Calculator
Health
Calculate your optimal daily protein, carbohydrate, and fat intake. Customize macros for weight loss, muscle gain, or maintenance goals.
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Chipotle Macro Calculator
Health
Build your Chipotle order and see the exact calories, protein, carbs, and fat. Customize your bowl, burrito, or salad to hit your macros.
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Weight Loss Calculator
Health
Plan your weight loss journey with realistic calorie targets and timelines. Set your goal weight and see how long it will take to reach it.
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Weight Gain Calculator
Health
Plan healthy weight gain with calculated calorie surplus targets. Perfect for bulking, muscle building, or recovery goals.
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Daily Water Intake Calculator
Health
Find out how much water you should drink daily based on your weight, activity level, climate, and lifestyle factors.
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Body Water Calculator
Health
Estimate the total water content in your body. Calculates total body water percentage based on your age, gender, weight, and height.
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BAC Calculator
Health
Estimate your Blood Alcohol Concentration based on drinks consumed, body weight, gender, and time. For educational purposes only.
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Scientific Notation Calculator
Math
Convert numbers to and from scientific notation. Perform arithmetic operations with numbers in scientific notation format.
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Graphing Calculator
Math
Plot mathematical functions with an interactive graph. Supports sin, cos, tan, log, sqrt, and more. Pan, zoom, and trace points on curves.
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System of Equations Calculator
Math
Solve systems of linear equations (2×2, 3×3, 4×4) using Gaussian Elimination and Cramer’s Rule with step-by-step solutions.
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Compound Interest Calculator
Finance
Calculate compound interest on your investments or savings. See how your money grows over time with charts and detailed breakdowns.
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Time Zone Meeting Planner
Productivity
Find the best meeting time across multiple time zones. Visual grid shows working hours overlap for teams around the world.
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Digital Planner
Productivity
Create customizable daily, weekly, or monthly planners. Choose sections like schedule, to-do, goals, habits, and meals. Print-ready design.
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Snow Day Calculator
Productivity
Predict the probability of a snow day based on weather conditions, temperature, snowfall, and location factors. Fun and informative!
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Que Significa (Dictionary)
Language
Look up any word in 9 languages. Get definitions, pronunciation, synonyms, antonyms, usage examples, and word origins instantly.
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