Protect PDF
Upload a PDF, choose a password, and download a copy that asks for the password to open. Your file is deleted from our server as soon as it is protected.
o suelta un archivo PDF aquí
Suelta tu archivo para abrirlo
Tu PDF se envía a través de una conexión segura, se protege y se elimina justo después de que lo descargues.
Un archivo a la vez, hasta 25 MB. Formatos: PDF
Elige una contraseña. Cualquiera que abra el PDF protegido deberá introducirla. No podemos recuperar una contraseña olvidada.
La contraseña solo se utiliza para proteger este archivo. No se guarda. Guárdala en un lugar seguro.
¡Tu PDF está protegido!
- Archivo original
- PDF protegido
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What does Protect PDF do?
It makes a copy of your PDF that asks for a password every time someone tries to open it.
Deleted right after protecting
Your PDF and password are sent over a secure connection and deleted as soon as the protected file is ready.
Why use our Protect PDF tool?
Files are not kept
Each file is deleted right after protecting, and the password is never saved.
Fast result
Most PDFs are protected in a few seconds.
Nothing else changes
Pages, text and images stay exactly as they were.
Free to use
No sign-up, no watermark, no software to install.
Protect PDF Online for Free
Use the DailyOnWeb Protect PDF tool to add a password to a PDF. This is useful when you send contracts, invoices, ID copies or reports by email, or when you store sensitive files in the cloud and want only the right people to open them.
How to password protect a PDF
- Click Select PDF file, or drop your PDF on the page.
- Type a password, then type it again to confirm.
- Click Protect PDF and wait a few seconds.
- Download your protected PDF. It is saved with -protected added to the name.
Tips for a good PDF password
- Use at least 8 characters, and mix letters, numbers and symbols.
- Do not use names, birthdays or common words.
- Send the password through a different channel than the PDF, for example by phone or chat.
- We cannot recover a forgotten password, so keep it safe.
Your files stay private
Your PDF and password are sent over a secure connection, used only to protect the file, and deleted from the conversion service right after the download. We do not keep or share your documents or passwords.
Protect PDF is free, works on phones, tablets and computers, and needs no registration.
Preguntas frecuentes (FAQs)
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