PDF Sicurezza

Aggiungi password protection to your PDF documents with AES-256 encryption, or remove an existing password you already know. Separate user and owner passwords let you control who can open the file versus who can print, copy, or edit it. Everything happens on your device — your files never leave your browser.

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Funzionalità

Industry-Standard AES-256 encryption for serious Documento protection

Separate user Password (to Apri) and owner Password (to Limita actions)

Limita printing, copying, editing, and adding comments independently

Rimuovi an existing password from a protected PDF when you know the current one

Real-Ora Password strength indicator while you Crea a Nuovo Password

Live Anteprima shows your PDF locked or unlocked before you Scarica it

Everything happens on your Dispositivo — File never reach a Server

Fully compatible with iOS, Android, and web browsers, Gratuito to Uso

Come funziona

Choose I tuoi PDF

Select the PDF you want to protect or unlock, or drag & drop it into the interface. I tuoi file stays on your device and is never uploaded anywhere.

imposta password and Restrictions

Scegli to Aggiungi a Nuovo Password or Rimuovi an existing one. When protecting, set a strong Password and decide which restrictions (printing, copying, editing) to Applica.

Encrypt or Sblocca and Scarica

I tuoi PDF is encrypted with AES-256 or its existing password is removed. Scarica your secured or unlocked file the moment it's ready.

Casi d'uso

A chi è rivolto?

Lawyers and accountants sharing confidential client Documenti by Email

Dipartimenti HR che proteggono buste paga e dati personali dei dipendenti

Businesses securing contratti and proposte before invio them to third parties

Anyone receiving a Password-Protetto PDF who needs to Rimuovi the lock to Modifica or archive it

Students and researchers protecting theses or unpublished lavoro before submission

FAQ

Domande frequenti

How Sicuro is AES-256 encryption?

AES-256 is one of the strongest encryption standards in Uso Oggi, trusted by governments and financial institutions worldwide. Breaking it through brute force is practically impossible with Corrente technology.

Can I Cambia the Password of an already Protetto PDF?

Sì. Primo Rimuovi the Corrente Password using the Sblocca Modalità, then Proteggi the File again with a Nuovo Password. You need to know the existing Password to do this.

What's the difference between the user Password and the owner Password?

The user Password is Obbligatorio to Apri and Vedi the Documento at Tutti. The owner Password controls Permessi like printing, copying, and editing once the Documento is Apri. They can be the same or different depending on your needs.

What happens if I forget the Password I set?

Pofide cannot recover or bypass a forgotten Password — encryption is performed entirely in your Browser and we never store your File or passwords. Keep your Password somewhere safe before encrypting an Importante Documento.

Strumenti correlati

Firma PDF PDF password Recovery File Permessi Aggiungi Filigrana Timbro / Seal

La tua privacy è protetta

Tutte le operazioni PDF avvengono sul tuo dispositivo. I tuoi documenti non vengono mai caricati sui nostri server.

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