Free Online Converter
Add Watermark
Add watermark to PDF. Fast, secure processing directly in your browser.
How to Add Watermark
- Click or drag your PDF file into the upload area above
- Wait for the file to be loaded (happens instantly in your browser)
- Click the "Convert File" button
- Your processed Add Watermark file will automatically download
Why Use Add Watermark?
Key Features
100% FreeNo subscription, no hidden fees, no limits
Privacy FirstFiles never leave your device
Fast ProcessingInstant browser-based conversion
No InstallationWorks directly in your browser
High QualityMaintains quality during conversion
SecureClient-side processing only
About PDF and Add Watermark Formats
PDF (PDF Document)
PDF (Portable Document Format) is the universal document format for sharing documents while preserving formatting across all devices and platforms.
Add Watermark (Add watermark to PDF)
Add Watermark is a file format for storing and exchanging digital content.