Generadores y calculadoras

Genera códigos QR, contraseñas, datos de prueba y calcula.

Generate QR codes, strong passwords, placeholder text, fake test data, color palettes, and CSS gradients. Calculate percentages, date differences, ages, and convert between units and time zones — all free, instant, and browser-based.

Generadores y calculadoras — Frequently Asked Questions

Are generated passwords secure?

Yes. Passwords are generated using your browser's cryptographic random number generator (crypto.getRandomValues), which is cryptographically secure.

Can I download generated QR codes?

Yes. QR codes can be downloaded as PNG images in various sizes.

Do the calculators store my data?

No. All calculations happen locally in your browser. Nothing is stored or transmitted.

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