Useful tools, instant answers

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Most-used calculators:

Taxes/fees and monthly payment.

Annual IRPF and per-pay withholding.

Compute 21%, 10% or 4%.

Payment, interest and estimated APR.

Available categories

Pick a topic to continue.

Mortgage, IRPF, VAT and personal loans made simple.

BMI, calories, target HR (coming soon).

Create and save your QR in seconds.

Merge, split, compress and sign (coming soon).

Change format/size in one click (coming soon).

Mini-games and handy little tools (coming soon).