Password‑Protected PDF
Keep sensitive information safe. Encrypt PDFs online for free to maintain confidentiality.
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How to password‑protect a PDF online for free
- 1Click “Choose File” to upload the PDF you want to protect, or drag and drop it into the tool.
- 2Enter a password and confirm it, then click “Protect PDF.”
- 3When protection completes, click “Download” to save the encrypted PDF.
Key Features
Fast, secure encryption
Protect your PDFs quickly and safely using the latest encryption technology.
Free with no limits
Protect files for free with no size or usage caps.
Reliable PDF protection
Set a password to prevent unauthorized viewing or copying and keep important documents safe.
Complete privacy
All encryption runs in your browser and files aren’t stored on the server. Uploaded files are automatically deleted after 1 hour.
Simple to use
Secure a PDF in just a few clicks — no expertise required.
Works everywhere
Use it in any browser on Windows, macOS, Android, and iPhone.
Why password‑protect a PDF?
When emailing important documents or uploading them to the cloud, security is essential. A password restricts access and protects personal data and trade secrets.
This tool uses state‑of‑the‑art encryption to secure PDFs quickly and reliably. It runs right in your browser with no installation, and all processing is handled safely.
Protected PDFs let you set permissions for viewing, copying, and printing for finer‑grained security control. Set a password now to safeguard your data.
