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Calculators
Everyday calculators that run entirely in your browser.
QRGenerate
QR Code Generator
Turn any text or URL into a downloadable QR code — adjustable size, error correction, PNG and SVG export.
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%Money
Tip Calculator
Calculate tip amount, total bill, and per-person split with quick 15/18/20% presets or a custom rate.
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$Money
Mortgage Calculator
Calculate your monthly mortgage payment, total interest, and a full amortization schedule from principal, rate, and term.
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+%Money
Sales Tax Calculator
Calculate sales tax and total price from a pre-tax amount, or work backward from a tax-included total to find the original price.
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RPMMoney
AdSense Revenue Calculator
Estimate monthly and annual AdSense earnings from pageviews, RPM, and ad density — with niche-based RPM presets.
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