Create
Password generator
Generate random passwords on your device. Nothing is sent or saved.
Use a different password for each account.
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Calculadora de porcentajes gratis
Entiende porcentajes en un momento.
En tu dispositivo. A tu manera.Tus archivos permanecen en tu navegador.
Text
Word counter & text tools
Text stays in your browser. Reading time is estimated at 200 words per minute.
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Unit converter
Files
Merge PDF
Choose two or more PDFs. Add more files at any time and change their order below.
Pages keep their appearance. Digital signatures, bookmarks and interactive forms may not carry over; review the final PDF.
Add PDFs to start.
Files
Split PDF
For multiple PDFs, the same page selection is applied to every file. Multiple outputs are packaged in a ZIP.
Choose PDFs to start.
Classroom
Random group generator
Names stay on this page. Nothing is uploaded or saved.
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Código QR
Make it yoursStyle & export
Live preview PNG
Ready to create.
Bulk mode creates a ZIP with one PNG per line.
Create
Favicon
Live preview 512 PNG
Ready to export favicon files.
Files
Redimensionar imagen
Choose an image to resize it in your browser.
Fit keeps proportions and never enlarges the original. Crop is centred. Transparent areas become white in JPG.
Files
PDF tools
Add one or more images to create a PDF.
Calculate
Percentage calculator
Calculate
VAT calculator
Amounts are in EUR and rounded to cents. Enter the VAT rate that applies to your calculation.
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Date calculator
Sobre esta herramienta
The three results answer different questions: a percentage of the base, your value as a percentage of the base, and your value adjusted by the percentage. Enter a negative percentage for a decrease or discount.
Cómo usarla
- Enter the value, percentage and base.
- Read the labelled result for the calculation you need.
- Change the percentage to a negative number to calculate a decrease.
Preguntas frecuentes
How do I calculate a 20% discount on 50?
Enter 50 as the value and -20 as the percentage. The adjusted value is 40.
Why can I not calculate a percentage of a zero base?
Expressing a value as a percentage of the base involves division by the base. Division by zero is undefined.