How to Protect a PDF with a Password Online
Add password protection to PDF files directly in your browser with EDITHUBS. Upload a document, create and confirm a strong password, choose the available permission settings, apply supported encryption, and download a secured PDF without installing extra software. The tool is useful for contracts, reports, invoices, statements, forms, certificates, and other documents containing private or sensitive information.
Upload the PDF you want to protect
Click Select PDF file and choose a document from your device, or drag and drop it into the upload area. You can protect contracts, reports, invoices, certificates, forms, statements, manuals, academic files, and other supported PDF documents.
Create a strong and unique password
Choose a password that is difficult to guess and not reused elsewhere. A longer password with a mix of letters, numbers, and symbols provides stronger protection than a short or common word.
Confirm the password carefully
Enter the same password again to avoid typing mistakes. Check uppercase letters, lowercase letters, numbers, symbols, and keyboard language before applying protection.
Choose the available permission settings
When supported, decide whether users should be allowed to print, copy, edit, annotate, fill forms, or modify the document. Select only the restrictions that match your sharing and security requirements.
Apply supported PDF encryption
EDITHUBS adds supported encryption and password protection to the document. The exact security level depends on the protection method available in the tool and compatibility with common PDF readers.
Keep the document content unchanged
The protection process is designed to preserve visible text, images, links, forms, page dimensions, and page order while adding security settings to the new PDF.
Download and test the protected PDF
After processing, download the protected file and open it in a PDF reader. Confirm that the password prompt appears and that the selected editing, copying, or printing restrictions work as expected.
Store the password securely
Save the password in a trusted password manager or another protected location. Do not place the password in the file name, email subject, or the same message used to send the protected PDF.
Share the protected PDF safely
Send the PDF and password through separate secure channels when possible. Keep the original unprotected file as a private backup and only share the protected copy with authorized recipients.
Why use this free online PDF password protection tool?
- Add password protection directly in your browser.
- Use a strong password to control document access.
- Apply supported editing, copying, and printing restrictions.
- Preserve visible text, images, pages, and layout.
- Create a separate secured copy while keeping the original.
- Use the tool on desktop computers, phones, and tablets.