Protect PDF
Encrypt your PDF with a strong password
Upload your PDF to protect pdf
Drag & drop a PDF, or click to browse
PDF files only · Max 50 MB
Did you know? You can double-click any text in the editor to edit it directly. PDFino automatically matches the original font style!
Add password protection to prevent unauthorized access. Processed locally for total privacy.
How to Use Protect PDF
Upload
Select your PDF files from your device or drag and drop them into the upload area.
Process
Wait a few seconds while our engine processes your file securely.
Download
Once finished, download your result directly to your device with 100% privacy.
Privacy Information
This tool runs 100% locally in your browser. Your files are never uploaded to any server. Your privacy is guaranteed.
Read full policy →How to Protect a PDF with a Password
Need to send a confidential document? Use our free Protect PDF tool to encrypt your file with a strong password. Only people with the password will be able to open and read the document. Your file is encrypted directly on your device, ensuring maximum security and privacy.