PDF security
Protect PDF
Protect a PDF online by adding an opening password. Enter and confirm a password, create the protected copy and keep the password somewhere safe.
Password encryption- 1Choose
- 2Set password
- 3Protect
- 4Download
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Your protected PDF is ready
Quick feedback
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How it works
- 1
Choose a PDF
- 2
Create and confirm an opening password
- 3
Download the protected PDF
A useful thing to know
Does the protected PDF really ask for a password?
Yes. FileVoxa applies standard 128-bit PDF encryption locally in your browser. For the widest viewer compatibility, use 6–32 Latin letters, numbers or common symbols.
How we handle your dataProtect PDF guide
Add an opening password to a PDF
Password protection can help prevent casual access when a PDF is shared or stored. FileVoxa creates a protected copy that requires the chosen opening password. Use a password you can communicate securely to the intended recipient and keep a separate unprotected original in a safe place.
A strong password is easier to remember when it is long and unique rather than simply complex. Avoid obvious personal information or reusing an important account password. FileVoxa uses the password only in the current browser workflow.
Password protection is not the same as digital signing and does not prove who created or approved a document. It also cannot prevent an authorized recipient from taking screenshots or creating another copy after opening the file.
Practical checklist
Protect the file and the password
- Use a unique password that is difficult to guess.
- Share the password separately from the PDF when possible.
- Keep an original copy in case the password is forgotten.
- Test the protected result before sending it.
Common questions
Can FileVoxa recover a forgotten password? No. Is this a digital signature? No. Some advanced PDF features can behave differently in a newly created protected copy, so review the result. Supported processing runs locally.