60+ Free Calculators & PDF Tools

Your all-in-one toolkit for finance, health, and documents. Calculate loans, edit PDFs, and convert files instantly. No signup required.

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Financial Calculators

15 tools for loans, investments, and financial planning

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Loan Calculator

Calculate payments and interest

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Mortgage Calculator

Home loan calculations

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Compound Interest

Investment growth over time

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Investment Calculator

Future value projections

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Retirement Calculator

Plan for your retirement

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Amortization Schedule

Loan payment breakdown

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Income Tax Calculator

Estimate your tax liability

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Auto Loan Calculator

Vehicle financing

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Salary Calculator

Net pay after deductions

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Sales Tax Calculator

Tax and total price

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Payment Calculator

Periodic payment amounts

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Interest Calculator

Simple and compound interest

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Interest Rate Calculator

Find the effective rate

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Inflation Calculator

Purchasing power over time

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Finance Calculator

PV, FV, and more

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Health Calculators

9 tools for health, fitness, and wellness tracking

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BMI Calculator

Body Mass Index

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BMR Calculator

Basal Metabolic Rate

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Calorie Calculator

Daily calorie needs

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Body Fat Calculator

Estimate body fat %

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Ideal Weight Calculator

Find your ideal weight

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Pace Calculator

Running pace per km

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Pregnancy Calculator

Pregnancy timeline

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Conception Calculator

Estimate conception date

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Due Date Calculator

Expected delivery date

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Math Calculators

6 tools for mathematical calculations

Percentage Calculator

Percentage calculations

Fraction Calculator

Add, subtract, multiply fractions

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Scientific Calculator

Advanced math functions

Standard Deviation

Statistical calculations

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Triangle Calculator

Area, perimeter, angles

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Random Number Generator

Generate random numbers

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Other Calculators

4 tools for education and construction

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Age Calculator

Calculate exact age

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Concrete Calculator

Volume for construction

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GPA Calculator

Grade point average

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Grade Calculator

Final grade calculation

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Utility Calculators

4 tools for everyday calculations

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Unit Converter

Convert units

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Date Calculator

Date differences

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Hours Calculator

Work hours tracking

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Time Calculator

Add/subtract time

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Technical Calculators

2 tools for IT professionals and developers

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Password Generator

Secure passwords

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Subnet Calculator

IP subnet calculations

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PDF Tools

Tools for PDF manipulation and conversion

Converters

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PDF Compress

Reduce file size

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PDF to Word

Convert to DOCX

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PDF to Image

Convert to JPG/PNG

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Image to PDF

Images to PDF

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PDF to Text

Extract content

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PDF to JSON

Convert structure

Organize & Edit

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PDF Merge

Combine PDF files

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PDF Split

Extract PDF pages

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PDF Rotate

Rotate PDF pages

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Reverse PDF

Reverse page order

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Crop PDF

Remove margins

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Remove Pages

Delete unwanted pages

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Extract Pages

Save specific pages

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Page Numbers

Add numbering

Security & Repair

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PDF Protect

Add password protection

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PDF Unlock

Remove password

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Flatten PDF

Lock forms & layers

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Repair PDF

Fix corrupt files

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Remove Annotations

Remove comments

Metadata & Assets

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PDF Info

View metadata

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Edit Metadata

Change properties

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Watermark

Add text stamp

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Extract Images

Get embedded photos

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Invoice Universal

Professional invoice tools

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Universal Invoice Generator

Generate professional invoices instantly containing subtotal, taxes, and discounts.

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About Our Toolkit

We provide accurate, free, and easy-to-use online tools for all your daily calculation needs. No registration required, works on all devices.