Number and Math Tools

Free number and math tools: percentage calculator, currency converter, random number and password generators, plus a prime number checker.

This category currently includes 5 active tools. Use these tools for quick browser-based workflows without downloads or account creation. Popular options include Currency Converter Online, Online Percentage Calculator, Password Generator Online.

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Currency Converter Online

Converts between 11 major currencies using a fixed reference exchange rate dataset (not live rates) via a USD cross-rate calculation, entirely in your

Online Percentage Calculator

Calculates simple percentages, what-percent ratios, and percentage change across three modes, with a live doughnut-chart visualization.

Password Generator Online

Generates cryptographically secure passwords via the Web Crypto API, with a 4-64 character length slider and guaranteed inclusion of each checked char

Prime Number Checker

Checks whether a single positive integer is prime using optimized trial division (6k±1 up to the square root), entirely in your browser.

Random Number Generator Online

Generates a single random whole number between a Min and Max value you set (both inclusive), using standard JavaScript randomness suited for games and

About These Number and Math Tools

All 5 tools here are free to use. Search by name above or open a tool card to see what it does before you upload a file.

Good places to start: Currency Converter Online, Online Percentage Calculator, Password Generator Online.

Frequently Asked Questions

What can I do with these Number and Math Tools?

You can use these tools for common number and math tasks directly in your browser, without installing extra software.

Are these Number and Math Tools free?

Yes. The tools listed in this category are available to use for free on Magical Toolz.

How do I choose the right tool in this category?

Start with the tool name and short description, then open the option that matches your exact task. If you are unsure, begin with the most specific tool for your file type or workflow.

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