Marketing handed me sample contracts to share with prospects today, but I want a watermark that makes clear these are …
Open your PDF file in Adobe Acrobat.
Go to the Tools pane and select Edit PDF.
In the secondary toolbar, click Watermark and choose Add.
Select Text as the watermark type and enter your desired watermark text (e.g., 'Confidential') in the text box.
Adjust font, size, color, and other appearance settings as needed.
Set the watermark position, rotation, and opacity to control how it appears on the page.
Choose the page range to apply the watermark (e.g., all pages or specific pages).
Click OK to apply the watermark.
Save the PDF to preserve the watermark.
Best practiceFor best visibility without obscuring content, use a light color and set opacity between 30% and 50%.
You can preview how the watermark will look on your pages before finalizing the changes.
This runs in the Acrobat app - there is no separate API for this task.
A watermark is a visual mark, not a security feature. It is easy to remove if the document is not protected. To make sure your 'CONFIDENTIAL' watermark is truly secure, you must combine it with 'Protect' permissions. This stops people from editing or copying the document content.
| Feature | Purpose | Appearance |
|---|---|---|
| Watermark | To mark a document's status (e.g., DRAFT, CONFIDENTIAL) or ownership (e.g., logo). | Usually transparent, placed over content, can be text or image. |
| Background | To add a color or image behind the content of a document, often for branding or visual appeal. | Covers the entire page behind all content, can be a solid color or an image. |
The darkness or lightness of your watermark is controlled by its 'opacity' setting. If it's too dark, lower the opacity. If it's too light, increase the opacity. You can change this setting when you add or edit the watermark.
Yes, you can add different watermarks to specific pages within one PDF. When you set up your watermark, Acrobat lets you choose which pages to apply it to. This is useful if you have a multi-part document where only certain sections need a specific mark, like 'Appendix A' or 'Internal Use Only'.