🔒 Password Protect PDF
Encrypt a PDF with a password.
📂
Click or drag & drop file here
Accepted: application/pdf
About Password Protect PDF
Encrypt a PDF with a password.
Password Protect PDF is part of Smart2Office's suite of free browser-based utilities. It is designed to handle everyday tasks that would otherwise require installing dedicated desktop software or subscribing to a paid service. Open the page, use the tool, and close it — there is nothing to set up and nothing to maintain.
It works on any modern device — Windows PC, Mac, iPhone, Android phone or tablet — because it runs entirely in your web browser. That also means there is no version to update, no compatibility issues between operating systems, and no licence to renew.
✅ Key Features
- Runs entirely in your browser — no PDF is ever sent to a server
- No watermarks added to output files
- Supports all standard PDF versions
- Free to use — no sign-up, no usage limits, no subscriptions
💼 When to Use This Tool
- Combining reports from multiple team members into one document
- Splitting a large scanned archive into individual pages
- Preparing PDFs for regulatory submission or client delivery
- Reducing file size before emailing or uploading to a portal
🔒 Your Privacy — Your PDF files are processed using pdf-lib, a JavaScript PDF library that runs entirely in your browser. No file data is transmitted to any server at any point. Smart2Office does not track what you process, and we do not store any output files. What you create belongs entirely to you.