Is Proteger com senha free to use?
Yes. Proteger com senha is free for personal use, does not require an account and does not add a watermark to your exported PDF.
Adicione senha para abrir o PDF.
Adicione uma senha ao seu PDF para controlar quem pode abrir ou editar. Criptografe PDFs instantaneamente no navegador. Gratuito, seguro, sem conta.
Add an open-password before sharing sensitive documents by email.
Control who can print or edit the file by setting a permissions password.
Encryption runs entirely in your browser — the password is never sent to a server.
Yes. Proteger com senha is free for personal use, does not require an account and does not add a watermark to your exported PDF.
Core PDF actions run in the browser whenever possible. When a conversion needs a worker, files are processed through encrypted temporary storage and cleaned automatically.
Yes. The tool works in modern mobile and desktop browsers, so you can upload, adjust and download PDFs without installing a desktop app.
Drop your PDF here
Set a password to open this PDF
or choose a file