Privacy & security

Your PDFs work
on your computer.

Editing, page organization and text recognition run on your computer. Your account activates and manages the Pro subscription; it does not host your documents.

Your document’s journey.

On your Windows PC
  1. Your file

    Open a PDF on your PC.

  2. Your computer

    3PDF processes pages locally.

  3. Your folder

    Choose where to save.

Your account and payment use an Internet connection. The content of your PDFs is processed on your computer.

What stays local

PDF content is read, processed and saved on your PC. OCR models come with the application. 3PDF may keep temporary files, backups, recovery files and logs on the machine.

What uses the Internet

Your subscription

Account sign-in, payment and access management use the Internet. Use the same Google account on the site and inside the application.

Installation

The Microsoft Store distributes the application and its updates. This site no longer offers a direct installer.

On this site

  • Session cookies keep you signed in to your account.
  • The site uses Vercel Web Analytics to count visits and page views without analytics cookies. URL query parameters and fragments are removed before sending. No PDF content is sent to this service. The site uses no advertising or profiling cookies.
  • Account and billing data are separate from the content of your PDFs.

Limits to keep in mind

3PDF does not provide PDF encryption, secure redaction, certified cryptographic signatures or PDF/A. A visual signature is an image; it does not certify the signer’s identity.

All practical guides · Help and limitations
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