Description
Protect Your PDFs with Personalized Watermarks
MarkedSafe is a Python-based PDF watermarking tool that lets you protect and personalize every PDF you sell or distribute. Add diagonal “Licensed to [Name]” watermarks automatically — no design skills required.
What It Does
- Adds a personalized diagonal watermark to every page of your PDF
- Includes the buyer’s name and a custom footer on every page
- Intelligently skips cover and copyright pages
- Outputs a clean, professional watermarked PDF in seconds
- Works on any PDF — ebooks, reports, courses, templates
Why Use MarkedSafe?
When you sell digital PDFs, you have no way to know who’s sharing them. MarkedSafe makes every copy traceable — each buyer gets a file that’s personally licensed to them. If it leaks, you know exactly who shared it.
What You Get
- Full Python source code (
watermark.py) - Setup instructions for Windows, Mac, and Linux
- Requirements file (
requirements.txt) — one command to install - Example usage guide
- Lifetime access — buy once, use forever
Requirements
Python 3.8+ and pip. Works on Windows, Mac, and Linux. No monthly fees, no subscriptions, no third-party services.
“Set it up in 10 minutes. Then watermark any PDF in under 5 seconds.”


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