🔒 Protéger PDF
Protéger le PDF par mot de passe — gratuit, rapide et privé.
Drop PDF file(s) here
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Comment Protéger PDF
Téléchargez vos fichiers en les glissant-déposant ou en cliquant sur la zone ci-dessus.
Cliquez sur le bouton pour traiter vos fichiers instantanément dans votre navigateur.
Votre fichier traité sera téléchargé automatiquement. Aucune inscription nécessaire !
Performance & Details
Uses AES encryption via pdf-lib. Password is applied locally — it never touches any server. Encrypted PDFs open in any standard PDF reader (Adobe, Preview, Chrome).
All processing uses pdf-lib (open-source). Files stay in your browser — zero server uploads. Last verified: May 2026.
Protéger PDF — Disponible dans tout le pays
Protéger PDF — Available Across Europe
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Go Pro — $5/monthProtéger PDF — Frequently Asked Questions
What type of encryption is used?▼
We apply AES encryption, the industry standard used by banks and governments worldwide.
What happens if I forget the password?▼
There is no way to recover a forgotten password from an encrypted PDF. Keep your password in a safe place.
Can I set different permissions (print, copy)?▼
Currently we support open-password protection. Advanced permission controls are on our roadmap.
Will password protection slow down the PDF?▼
No — encrypted PDFs open just as fast as regular ones, just requiring a password first.
Is this tool suitable for legal or financial documents?▼
Yes — password protection adds a strong security layer for contracts, tax documents, and financial records.