password protect pdf: arthize vs docfly →

Password Protect PDF: Arthize vs DocFly

Updated July 2026

To password-protect a PDF, Arthize offers a free, private password protect pdf with no watermark — a focused alternative to DocFly. Protecting a PDF encrypts it with a password, so only people with the password can open the file — the encryption travels with the document.

Arthize's password protect pdf vs DocFly

DocFly is a web PDF editor and converter. DocFly provides web editing and conversion on a freemium model with free-tier limits.

Arthize's approach: Protecting a PDF encrypts it with a password, so only people with the password can open the file — the encryption travels with the document.

  • The free plan never adds a watermark to your output.
  • Transparent pricing: free forever, Pro from $6/mo or $48/yr, and a one-time $149 lifetime option.
  • Files are processed inside your private Arthize workspace and deleted after the job — never sold or used to train models.
  • A lifetime option instead of only recurring billing.

How to password-protect a PDF with Arthize

Password protection encrypts the PDF so it can't be opened without the password.

The encryption travels with the file, unlike a folder lock that stays on your computer.

A separate permissions password can restrict printing or copying.

How to password-protect a PDF with Arthize

  1. 1

    Open the protect tool

    Sign in and open the Protect tool.

  2. 2

    Add your PDF

    Upload the document you want to encrypt.

  3. 3

    Set a password

    Choose a strong open password and, optionally, a permissions password.

  4. 4

    Download

    Get an encrypted PDF that requires the password to open.

Common questions

Is Arthize a good DocFly alternative to password-protect a PDF?
Yes. Protecting a PDF encrypts it with a password, so only people with the password can open the file — the encryption travels with the document. Arthize does it free with no watermark and deletes the file after the job. DocFly handles common edit-and-convert tasks in the browser.
How do I password-protect a PDF?
Protecting a PDF encrypts it with a password, so only people with the password can open the file — the encryption travels with the document. On Arthize it's free with no watermark and processed privately.
Is a password-protected PDF actually encrypted?
Protecting a PDF encrypts it with a password, so only people with the password can open the file — the encryption travels with the document. On Arthize it's free with no watermark and processed privately.

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