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QR Code Reader

Scan and decode QR codes from images. Free online QR code reader that works with uploaded images.

Image

Password Strength Validator

Test password strength with entropy calculation, dictionary attacks, and NIST guidelines. Get real-time security feedback.

Cybersecurity

Absolute Value Calculator

Calculate absolute values and distances between numbers with comprehensive theory

Math

Power

Convert between power units including watts, kilowatts, horsepower, and megawatts. Essential for engines, electrical systems, and energy efficiency.

Conversion

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