Back to Home

PDF Security

Protect your sensitive documents with military-grade encryption or remove passwords from locked files. Manage your PDF security settings entirely on your device for maximum privacy.

Unlock PDF

Use this free online tool to unlock pdf directly in your browser without installing software. All file processing is done locally on your device for maximum privacy and speed.

Use Tool →

Protect PDF

Use this free online tool to protect pdf directly in your browser without installing software. All file processing is done locally on your device for maximum privacy and speed.

Use Tool →

Make PDF Non-Editable

Use this free online tool to make pdf non-editable directly in your browser without installing software. All file processing is done locally on your device for maximum privacy and speed.

Use Tool →

Remove Password from PDF

Use this free online tool to remove password from pdf directly in your browser without installing software. All file processing is done locally on your device for maximum privacy and speed.

Use Tool →

Decrypt PDF File

Use this free online tool to decrypt pdf file directly in your browser without installing software. All file processing is done locally on your device for maximum privacy and speed.

Use Tool →

Add Password to PDF

Use this free online tool to add password to pdf directly in your browser without installing software. All file processing is done locally on your device for maximum privacy and speed.

Use Tool →

Encrypt PDF 128-bit

Use this free online tool to encrypt pdf 128-bit directly in your browser without installing software. All file processing is done locally on your device for maximum privacy and speed.

Use Tool →

Encrypt PDF 256-bit

Use this free online tool to encrypt pdf 256-bit directly in your browser without installing software. All file processing is done locally on your device for maximum privacy and speed.

Use Tool →

FAQs about PDF Security

What kind of tools are in the PDF Security category?
PDF Security includes a specialized set of utilities designed to help you manage, edit, and optimize your PDF files specifically for security related tasks. All tools are free and run in your browser.
Is it secure to use PDF Security tools online?
Yes, completely secure. Unlike other online services, iPDF.online processes all your PDF Security tasks directly on your device using client-side technology. Your files are never uploaded to our servers.
Can I use these PDF Security tools on my mobile phone?
Yes, our platform is fully responsive and compatible with all modern smartphones and tablets, including iOS and Android devices.
Are there any quality limits for PDF Security?
We ensure high-fidelity processing for all our tools. Whether you are converting, compressing, or editing, the output quality is maintained to professional standards.