Free Online Tools & Calculators
Free online tools for everyday tasks. Calculators, converters, generators, encoders, and more.
Why Choose MiniTools?
Privacy First
All tools run directly in your browser. We don't collect or store any personal data. Your information stays secure.
Instant Results
No server wait time. All calculations and conversions happen locally with results displayed instantly.
Multi-Language Support
Supports English, Chinese, Japanese, and Portuguese to serve users worldwide.
Text Tools
Word & Character Counter
Count words, characters, sentences, and paragraphs in your text.
Text Case Converter
Convert text between uppercase, lowercase, title case, and sentence case.
Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text for your designs.
Text Diff Checker
Compare two texts and highlight the differences between them.
Line Sorter
Sort lines of text alphabetically, numerically, or in reverse order.
Encoding / Decoding
Generators
Hash & Security
Math & Converters
Percentage Calculator
Calculate percentages, percentage change, and more.
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal.
Unit Converter
Convert between different units of measurement.
Age Calculator
Calculate age from birth date in years, months, and days.
BMI Calculator
Calculate Body Mass Index and check your weight status.
Web Tools
Image Tools
How It Works
Choose a Tool
Select the tool you need from our collection.
Enter Data
Input your data or text in the tool interface.
Get Results
Get your processed results instantly, ready to copy or download.
Frequently Asked Questions
Is MiniTools free?
Yes, all MiniTools are completely free to use, no registration required, no hidden fees.
Is my data safe?
Absolutely safe. All processing happens in your browser. Data never leaves your device.
Which devices are supported?
MiniTools supports all modern browsers and devices, including desktops, tablets, and mobile phones.
How to report issues or suggest new tools?
Please send a message through our Contact page, and we'll respond as soon as possible.
Ready to Get Started?
Explore our tool collection and make your daily tasks simpler and more efficient.
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