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Sharing practical tips and guides for using online tools

Loan Calculator Guide — From Amortization to Monthly Payments

How loan interest is calculated, equal payment vs equal principal, how to calculate monthly payments, and how to use UnterGletscher loan calculator.

Try the tools that many people use.

Convert URLs or text into QR codes

167 currencies with daily refreshed USD-based rates.

Easily check date calculations and D-Day

Convert between HEX, RGB, HSL color codes

Create beautiful gradients and copy the code