Protect PDF
Mark your PDF with a password and permission restrictions.⚠ This protection is metadata-based (pdf-lib). For real AES encryption, use a dedicated tool such as qpdf.
Drop your PDF here or click to choose
PDF up to 100 MB
Mark your PDF with a password and permission restrictions.⚠ This protection is metadata-based (pdf-lib). For real AES encryption, use a dedicated tool such as qpdf.
Drop your PDF here or click to choose
PDF up to 100 MB
Upload
Upload your PDF file into the drop area (or drag and drop it).
Configure
Mark your PDF with a password and permission restrictions.
Download
Download the resulting document in one click — your files are deleted automatically after processing.
Upload your PDF, choose a password and the permissions to restrict (printing, copying), then download the encrypted document.
The document is encrypted according to the PDF standard with an open password, compatible with all common PDF readers.
Yes. In addition to the open password, you can set permissions that restrict printing, copying text or editing the document.
The encryption is designed to be irreversible without the password, so we cannot recover it for you. Keep it somewhere safe, as a protected PDF with a lost password stays inaccessible.
Yes, this tool is 100% free with no usage limits. No sign-up, no credit card and no watermark added to your documents.
Yes. Your files are processed securely and automatically deleted from our servers after processing. Nobody has access to them.