Add Watermark
Add a custom text watermark to every page of a PDF in seconds.
Mark your PDFs as DRAFT, CONFIDENTIAL, or with any custom text using mydearPDF. The watermark appears as a diagonal stamp across every page with adjustable opacity, so it is visible without obscuring the underlying content. Free, fast, no signup.
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HTTPS transport. Files removed after processing.
High quality
Resilient open-source engine pipeline.
Fast & easy
Drop, process, download — in seconds.
How to add watermark with mydearPDF
- 1
Upload your PDF
Drag in or browse for the PDF you want to watermark.
- 2
Enter your watermark text
Type the text you want stamped on every page (e.g. DRAFT, CONFIDENTIAL).
- 3
Click Add Watermark
mydearPDF stamps the text diagonally across every page at 30% opacity.
- 4
Download the watermarked PDF
Click Download to save mydearpdf-watermark.pdf.
Built for speed, privacy, and zero friction
- Add a diagonal text watermark to every page in one click
- Subtle 30% opacity by default — visible but not obscuring content
- No watermark on the output beyond your own
- No signup, no daily limit, no file size sacrifice
Frequently asked questions
Can I add an image watermark?
The current tool supports text watermarks. Image-based watermarks (logos) are on the roadmap and will be available soon.
Can I change the watermark colour or position?
The default watermark is centred and diagonal at 30% opacity. Customizable position, opacity, and font size are coming in a future update.
Does the watermark appear on every page?
Yes. The watermark is stamped on every page of the PDF you upload, with the same text and styling.
Is the watermark removable from the output?
Watermarks added by mydearPDF are baked into the PDF rendering, so casual viewers cannot remove them. They can be edited out by someone with PDF editing software, like any other watermark — that is true for all PDF watermarks.
Watermarking is the simplest way to mark a document as a draft, work-in-progress, sample, or restricted distribution. mydearPDF puts a clean diagonal watermark on every page without affecting the readability of the content underneath. The watermark is rendered into the PDF page graphics, so it travels with the file even if recipients copy or print it.