Find Out Who Leaked Your Document
Create invisibly watermarked copies — one unique version per recipient. If your content is ever shared without authorization, trace the leak back to its source.
How It Works
1
Upload Your Document
Upload the document you want to protect. We support images, PDFs, and text files.
2
Add Recipients
Enter the email addresses or identifiers of each person who will receive a copy.
3
Download & Distribute
Download uniquely watermarked copies for each recipient and distribute them.
Upload Your Document
Step 1: Select Your Document
Click to upload or drag and drop
PDF, Word documents, text files, and images supported
Trusted for Confidential Documents, Manuscripts, and Paid Content
ContenTracker uses invisible steganographic watermarks to protect PDFs, Word files, text, and images. No visible marks, no quality loss — each copy carries a unique fingerprint only you can detect.
Learn how invisible watermarking works →