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Password generator
Generate random passwords on your device. Nothing is sent or saved.
Use a different password for each account.
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Calculateur de pourcentage gratuit
Comprendre les pourcentages en un instant.
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Word counter & text tools
Text stays in your browser. Reading time is estimated at 200 words per minute.
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Unit converter
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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.
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Split PDF
For multiple PDFs, the same page selection is applied to every file. Multiple outputs are packaged in a ZIP.
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Random group generator
Names stay on this page. Nothing is uploaded or saved.
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QR code
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Bulk mode creates a ZIP with one PNG per line.
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Favicon
Live preview 512 PNG
Ready to export favicon files.
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Redimensionner image
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.
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PDF tools
Add one or more images to create a PDF.
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Percentage calculator
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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
À propos de cet outil
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.
Comment l’utiliser
- 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.
Questions fréquentes
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.