When this tool helps
- Process your PDF without installing desktop software
- Use a clear browser-based workflow on desktop or mobile
- Keep the original file while downloading a separate result
- Continue working with related edit & organize pdf
Add custom text watermarks to protect your PDF documents. Control text, size, opacity, color, and position.
PDF files only Β· Max 50MB
Practical guide
Use Add Watermark directly in your browser when you need a quick way to process a PDF. The tool is designed for everyday document work on desktop and mobile, with no software installation or account required.
Frequently asked questions
Upload a supported PDF, adjust the available options, start the tool and download the processed result when it is ready.
No. The workflow runs through a modern web browser, so no separate desktop application is required.
No. Your local source file is not overwritten; the tool creates a separate output for download.
Check the source file, try another available setting and keep the original. Complex layouts, unusual fonts, scans and low-quality images can affect results.