★ Free watermark & PDF tools — images, online videos & 30+ PDF utilities, no card required See the free plan →
RW removewatermarks.net

Removewatermarks.net · PDF · 100% Free

Protect PDF — Add Password to PDF Free

A free protect PDF tool. Encrypt your document with a password.

✓100% Free ✓Fast ✓badge_private
⬆

Drop your file here or click to upload

Accepted: PDF, up to 50MB.

100% Free Free quota left: 20 Upgrade for unlimited →

Protect PDF — how it works

Removewatermarks.net protects PDF files with user/owner passwords via pikepdf.

  1. 1

    Upload your PDF

    Drop one or more PDFs into the box above.

  2. 2

    We process it

    Our engine runs the operation on our server — private and fast.

  3. 3

    Download the result

    Save your finished file in one click.

Why Removewatermarks.net

Free to start

Free to start

Private & fast

No installs. Your file stays in your browser session.

Fast

Most operations finish in seconds.

Frequently asked questions

Can I password-protect?

Yes — set a user password to open.

Permissions?

Default permissions allow print/copy.

Free?

Yes for your free PDF quota.

Free PDF tools · no sign-up needed Start for Free →

Product news & updates

How to Remove Watermark from Photo Free in 3 Clicks (2026)

Learn to remove watermark from photo free in three clicks with our batch photo watermark remover online.

Download TikTok Without Watermark in One Click (2026)

Download TikTok without watermark in one click using our TikTok watermark remover free that strips logo and @username.

Remove YouTube Logo from Video Online — Compliant De-logo

Remove YouTube logo from video online with our YouTube watermark remover free, compliant with platform rules.

How to Remove Sara AI Watermark Free from Generated Clips

Remove Sara AI watermark free from generated clips with our Sara AI watermark remover online for images and video.