Add Watermark
Add custom watermarks to your PDF documents with customizable text, color, and rotation.
Drop your PDF here or click to upload
Single PDF file only
How to Add a Watermark to Your PDF
Watermarking is one of the most effective ways to protect the intellectual property embedded in your PDF documents. Whether you need to stamp "CONFIDENTIAL" across internal reports, brand client deliverables with your company logo, or clearly label a document as "DRAFT" before final approval, a watermark communicates ownership and status at a glance.
CloudPDF supports text-based watermarks with full customization. You can control the watermark text, font size, color, opacity, rotation angle, and placement on the page. A low-opacity diagonal watermark is the most common approach because it remains visible without obscuring the underlying content. For corporate branding, a subtle semi-transparent company name across each page reinforces document provenance.
Legal firms frequently watermark privileged communications and discovery documents. Publishers use watermarks on review copies to deter unauthorized distribution. Businesses mark financial projections and strategy decks as confidential before board meetings. All of these workflows benefit from a fast, browser-based tool that keeps your documents private -- nothing is uploaded to external servers.
Step-by-Step Guide
- Upload the PDF file you want to watermark
- Enter your desired watermark text (e.g., "CONFIDENTIAL," "DRAFT," or your company name)
- Customize the appearance -- adjust font size, color, opacity, and rotation angle
- Select the watermark position on the page (center, top, or bottom)
- Click "Add Watermark" to apply it to every page
- Download your watermarked PDF instantly
Tips and Common Use Cases
For draft documents, use a large font with low opacity (around 20-30%) and a diagonal rotation of -45 degrees so the watermark spans the full page without making text hard to read. For branding, a smaller font placed at the top or bottom of the page with higher opacity works well. If you need to send the same document to multiple recipients with different watermarks (e.g., personalized recipient names), simply repeat the process for each version. Pair watermarking with our password protection tool for an extra layer of document security.
Frequently Asked Questions
Can I add image watermarks?
Currently, CloudPDF supports text-based watermarks. You can customize the text, font size, color, opacity, and rotation to closely mimic a logo-style appearance. Full image watermark support is planned for a future update.
Will the watermark affect readability?
Not if you use appropriate settings. Keeping the opacity between 15% and 35% ensures the watermark is visible enough to serve its purpose while allowing the underlying text and graphics to remain clearly legible. You can preview the result before downloading.
Can I remove a watermark later?
Watermarks added by CloudPDF are embedded directly into the PDF page content. Once applied and saved, they become part of the document. We recommend keeping an unwatermarked copy of the original file so you can always go back to the clean version if needed.