Protect PDF with Password
Drag & Drop PDF here
or click to select file
Why Password Protect Your PDF?
In an increasingly digital world, document security is paramount. Whether you are sending sensitive financial statements, legal contracts, or personal records, ensuring that only authorized eyes can view your content is critical. Our "Protect PDF with Password" tool offers a robust client-side solution to encrypt your documents instantly.
Unlike many online tools that upload your files to a remote server, our technology processes everything directly in your browser. This means your confidential data never leaves your device, guaranteeing 100% privacy. By adding AES-256 encryption, you create a digital vault around your information, preventing unauthorized access, copying, or modification.
This tool is essential for HR departments managing employee data, freelancers handling client contracts, or anyone who values their digital privacy. It allows you to set distinct passwords for opening the file versus editing permissions, giving you granular control over how your document is used.
How to Use This Tool
- Upload Your PDF: Drag and drop your file into the designated area or use the file picker to select a document from your device.
- Set Your Password: Enter a strong password in the "Open Password" field. Use the strength meter to ensure it is resilient against guessing attacks. You can also add an Owner Password in the "Advanced Options" to restrict printing or editing.
- Encrypt & Download: Click the "Protect PDF" button. The tool will process the file instantly. Once complete, click "Download Protected PDF" to save your secured file.
Frequently Asked Questions
Yes, absolutely. We use client-side technology, which means the encryption process happens entirely within your web browser. Your PDF file is never uploaded to our servers, ensuring that your data remains completely private and under your control at all times.
A User Password (or Open Password) is required just to view the document. Without it, the file cannot be opened. an Owner Password (or Permission Password) controls what can be done with the file once it is open, such as printing, copying text, or editing pages. If you set both, the Owner Password can also open the file.
No. Once a PDF is encrypted with AES-256 standards, the password is mathematically essential to decrypt the content. We do not store your passwords or your files, so we cannot recover a lost password. We recommend using the "Hint" feature for your own reference or storing your password in a secure manager.