Encrypt your PDF with a password so only the right people can open it. Free online PDF protection, no login required.
Drop a file from your device, nothing to install.
Add a password to a PDF.
Save the result, or store it in your NativeDoc cloud.
Free to use, with unlimited access on Pro from $5/mo.
The PDF is encrypted with industry-standard AES encryption, the same category of protection used by major office suites.
Yes. Along with the open password, you can restrict printing and copying permissions on the protected file.
There is no recovery option by design, the encryption is real. Keep your password somewhere safe before you share the file.
No. Any standard PDF reader will prompt for the password you set, there is nothing extra to install.
Yes. Protect PDF is free to use with a light hourly limit. Upgrade to Pro for unlimited use, larger files and batch processing.
No. You can use the tool right away without signing up. An account is only needed if you want to save files to your NativeDoc cloud.
Yes. Files are processed securely and are never shared. Most tools run right in your browser, so your document doesn't leave your device unless you choose to save it.
No. NativeDoc never adds a watermark to your files, on the free tier or Pro.