PDF TOOLS
Watermark PDF
Add a text watermark to your PDF pages directly in your browser.
Drop your PDF here
or
PDF files only · Maximum 50 MB
Your PDF stays in your browser and is not uploaded to WCODX.
Watermark is not applied to this page.
Your watermarked PDF is ready
Download PDFHow to watermark a PDF
- Select your PDF.
- Enter your watermark text.
- Choose its position, size, opacity and angle.
- Choose all pages or specific pages.
- Preview the watermark.
- Watermark and download your PDF.
Add watermarks to selected PDF pages
Choose Selected pages and enter page numbers or ranges such as 1, 3, 5-8. The watermark is applied only to the valid pages you choose.
Private browser-based PDF watermarking
Your PDF remains in your browser while WCODX adds new text content. The original page content is not rasterized or uploaded.
Frequently Asked Questions
Can I watermark only certain PDF pages?
Yes. Choose Selected pages and enter a list of pages or ranges.
Can I add a diagonal watermark?
Yes. Choose 45° or -45° rotation.
Will adding a watermark reduce PDF quality?
No. WCODX adds selectable PDF text without converting the page to an image.
Are my PDF files uploaded?
No. Processing happens locally in your browser.
Can I change watermark opacity?
Yes. Use the opacity control from 10% to 100%.
Can I remove the watermark later?
WCODX adds new PDF content. Automatic removal after export is not guaranteed, so keep the original PDF.