PixPDF is a collection of fast, secure PDF tools for everyday productivity. Compress, merge, split, convert, sign and edit PDFs right in your browser — no sign-up, no install.

PDF Password Protector

Q: Can I also restrict printing or copying?

Permission controls (print/copy restrictions) are planned alongside password protection.

Q: Is Protect PDF available now?

Yes — set a password and download an encrypted copy, right in your browser.

Q: What makes a good PDF password?

Long and unique — a passphrase beats a short complex string, and don't reuse passwords across documents.

Q: Is PixPDF safe to use?

Yes. Most tools process files directly on your device, so nothing is uploaded. Conversions to and from Office formats run on our server and files are deleted immediately after. Files are never kept permanently or shared.

Q: Do I need to download PixPDF to use it?

No. Every tool runs in your browser. Just open the page, drop your file, and download the result. You can also install PixPDF as an app if you prefer.

Q: What can I do with PixPDF?

You can convert files to and from PDF, merge, split, compress and organize pages, edit text, fill forms, sign, watermark, run OCR and extract text.

Q: What file formats does PixPDF support?

PixPDF works with PDF files, common image formats like JPG and PNG, and Office documents — DOC, DOCX, XLS, XLSX, PPT and PPTX.

Q: Can I edit PDFs directly in my browser?

Yes. The Edit PDF tool lets you rewrite text already on the page and save a new copy without installing any software.

Add password to PDF in seconds to keep sensitive documents secure — no install, no watermark, ready to download & share.

No file handy?

By uploading a file, you agree to our Terms of Use and acknowledge our Privacy Policy

6,748 users rated on Google Play

How to Protect PDF Online

Drag and drop your PDF file into the upload area, or click to select a file from your device.
Enter and confirm a password to protect your document from unauthorized access.
Click "Protect" to apply password protection to your PDF.
Download your password-protected PDF directly to your device, ready to store or share securely.

Why users choose

33+ PDF Tools in One Place
Access 33+ PDF tools in one simple interface, from PDF conversion and editing to document management. Save time switching between tools and keep your workflow smooth and productive.
Fast & Accurate PDF Processing
Complete your PDF tasks in just 3–4 simple steps with PixPDF online — no download or setup needed. Convert and edit files quickly while preserving their original content and layout.
Seamless Experience, Anywhere
Enjoy a consistent PDF experience across 4 platforms: desktop, tablet, mobile web, and the PixPDF app. Get help from our support team whenever you need guidance with your documents.
Your Files Stay Private
Your files are protected with encrypted transfers throughout processing. We don't store them permanently, helping keep your documents private even after your task is complete.

33+ PDF Tools in One Place
Access 33+ PDF tools in one simple interface, from PDF conversion and editing to document management. Save time switching between tools and keep your workflow smooth and productive.
Fast & Accurate PDF Processing
Complete your PDF tasks in just 3–4 simple steps with PixPDF online — no download or setup needed. Convert and edit files quickly while preserving their original content and layout.
Seamless Experience, Anywhere
Enjoy a consistent PDF experience across 4 platforms: desktop, tablet, mobile web, and the PixPDF app. Get help from our support team whenever you need guidance with your documents.
Your Files Stay Private
Your files are protected with encrypted transfers throughout processing. We don't store them permanently, helping keep your documents private even after your task is complete.