Protect PDF
Encrypt a PDF with a password so only the right people can open it.
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Select or drag-and-drop your file.
Adjust
Choose your options — everything happens in your browser.
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Save the finished file instantly. No watermarks.
Some PDFs should not open for just anyone: salary letters, contracts, medical results, financial statements. PDFora's Protect tool adds password encryption to a PDF so it can only be opened by someone who knows the password. Set a password, download the encrypted file, and share it knowing that a forwarded email or a lost USB stick doesn't expose the contents.
One honest note before you read on: Protect is rolling out on PDFora and is currently labeled coming soon. This page describes exactly how it will work at launch, so you know what to expect. Like every PDFora tool it will be free, with no signup and no watermark, and encryption will happen browser-local — your document and your password never travel to a server.
That last point deserves emphasis. It would be strange to password protect a PDF by first uploading it, unprotected, to someone else's computer. PDFora's approach keeps the whole operation on your device: the file is encrypted in your browser and only the locked copy ever leaves your machine, if and when you choose to share it.
How to password protect a PDF online
- Open the Protect tool on getpdfora.com and select the PDF you want to encrypt. It loads in your browser without uploading.
- Type the password you want to require for opening the document.
- Enter it a second time to confirm — a typo here would lock you out of your own file.
- Apply the protection. The tool encrypts the PDF locally on your device.
- Download the protected copy. Anyone opening it will now be prompted for the password.
- Share the password separately from the file — a phone call or a different messaging app, never the same email.
When to use this tool
- Encrypt a PDF payslip or employment letter before emailing it to a mortgage broker.
- Lock a client contract so only the counterparty who receives the password can read the terms.
- Protect exported medical records or lab results before storing them in a shared cloud folder.
- Password-protect board papers or financial statements distributed to a mailing list.
- Secure a copy of your passport or ID scan before sending it to a booking agency.
- Encrypt HR documents — disciplinary letters, salary reviews — before saving them on a shared office drive.
Tips for the best results
- Use a passphrase of three or four unrelated words rather than a short password; it is stronger and easier to relay by phone.
- Never send the password in the same channel as the file. Email the PDF, text the password.
- Store the password somewhere reliable, such as a password manager — a forgotten PDF password is often unrecoverable by design.
- Keep an unencrypted copy in a safe private location so you are never locked out of your own document.
- Encrypt before uploading anywhere: protect the file first, then move it to cloud storage or email.
Frequently asked questions
Is the Protect tool available right now?
It is marked coming soon and is rolling out on PDFora. If you need to encrypt a PDF urgently in the meantime, a trusted desktop application such as LibreOffice (export as PDF with a password) or Adobe Acrobat will do the job today.
Will it be free like the other tools?
Yes. When it launches, Protect will follow the same rules as the rest of PDFora: free, unlimited use, no signup, and no watermark stamped on your encrypted files.
Will my file or password be sent to a server?
No. Encryption will run browser-local, meaning the PDF is encrypted on your own device and the password never leaves it. Only the finished, locked file is saved to your downloads.
How strong is PDF password encryption?
Modern PDF encryption uses AES, the same family of ciphers used across banking and government systems. The practical weak point is almost always the password itself, so choose a long one that cannot be guessed from your name or birthday.
What happens if I forget the password?
Proper encryption has no back door, so there is no recovery link and PDFora cannot reset it for you. Treat PDF passwords like house keys: record them in a password manager and keep an unlocked copy of important documents somewhere safe.
Can I remove a password later if I no longer need it?
Yes. PDFora's companion Unlock tool is designed for exactly that — removing a known password from a PDF you own so you don't have to type it at every open. It is rolling out alongside Protect.