Protect PDF Online Free
Add a password to a PDF before sharing contracts, statements, forms, or private documents. Encryption runs locally in your browser.
- AES-256 encryption
- Password stays local
- Instant protected copy
Protect PDF
Add a password to a PDF with private browser-side encryption.
Sign in to save input and output files to your backend dashboard.
AES-256 encryption — choose a password you will share with recipients.
Protect PDF Online Free: quick guide
Add a password to a PDF before sharing contracts, statements, forms, or private documents. Encryption runs locally in your browser. GlobePDF runs this workflow in your browser, so your files stay on your device instead of being uploaded to a server. Use it when you want to add password protection before sending a PDF, then verify the downloaded result before sending it anywhere.
How to use it
- Upload the PDF you want to secure.
- Choose a strong password and keep a copy somewhere safe.
- Download the encrypted PDF and test it before sharing with someone else.
Best for
- Sending confidential PDFs
- Adding password protection before sharing
- Keeping downloaded records harder to open by accident
Before you submit
- Confirm you have permission to change the document security settings.
- Open the downloaded file once before submitting it.
- Keep the original file until the result is accepted.
Questions about Protect PDF Online Free
Can GlobePDF recover my password later?
No. The password is not uploaded or stored, so keep a copy before sharing the protected PDF.
Should I send the password with the PDF?
Share the password through a separate message or channel when possible, especially for sensitive documents.