Productivity & Business

Percentage Calculator

Calculate what X% of a number is, what percent one number is of another, and the percentage increase or decrease between two values.

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Profit Margin Calculator

Calculate profit, profit margin, and markup from cost price and selling price to price your products with confidence.

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Productivity & Business

QR Code Generator

Generate a QR code from any text or URL entirely in your browser, with adjustable size and error correction level, and download it as a PNG.

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Productivity & Business

Password Generator

Generate strong, cryptographically secure passwords in your browser using the Web Crypto API, with full control over length and character sets and a live strength indicator.

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