No tools match your search.
← All tools
🔒 Protect PDF
How to use: Choose a PDF, type a password twice and press Protect PDF. Keep the password safe: it cannot be recovered.
Loading the tool…
About the Protect PDF
Protect PDF on ToolSandook: add a password to a PDF. It is free, needs no sign-up and works on phone, tablet and computer.
How to use the Protect PDF
- Choose a PDF, type a password twice and press Protect PDF.
- Keep the password safe: it cannot be recovered.
Frequently asked questions
Is this tool free?
Yes. All ToolSandook tools are free to use with no sign-up and no watermark.
Are my files uploaded?
No. The tool runs in your browser, so your files stay on your device.
Related tools
- PDF Compressor – Shrink PDF file size.
- PDF Merger – Combine several PDFs into one.
- PDF Splitter – Split a PDF by page ranges.
- PDF to JPG – Turn each page into an image.