Add Watermark to PDF
Add text watermark, image or logo to PDF pages. Choose position, opacity, size and pages. Fast, secure and works directly in your browser.
Select PDF file or drag and drop here
Your file stays private. It is not uploaded to our servers.
This tool works inside the browser. Your PDF is not uploaded to any server.
How to Use
- Upload your PDF file.
- Choose a text watermark or image watermark.
- Select all pages or enter specific page numbers.
- Choose the watermark position.
- Adjust opacity, rotation, size, and color.
- Set the output file name.
- Click Add Watermark and download the new PDF.
Key Features
- Add text watermarks to PDF pages
- Add PNG or JPG logos and graphics
- Apply to all pages or selected pages
- Choose center, corners, or repeat placement
- Control opacity and rotation
- Adjust text size, text color, and image size
- Rename the output PDF before downloading
- Use the free PDF tool directly in your browser
Your Privacy Matters
Your PDF is processed locally in your browser during normal use. The file is not uploaded to our servers by this tool.
Private browser processingWhat Is the Add Watermark to PDF Tool?
The Add Watermark to PDF tool lets you place a text watermark, image, or logo on one or more pages of a PDF document. You can use it to mark a file as confidential, add company branding, show ownership, identify a draft, or discourage unauthorized sharing.
PDF Mentor gives you control over watermark type, position, opacity, rotation, size, color, and page selection. You can apply the watermark to every page or only to selected pages. This free PDF tool works directly inside your browser, so you can update documents without installing desktop software or creating an account.
It is useful for contracts, reports, invoices, ebooks, training documents, proposals, certificates, internal files, portfolios, and branded PDF materials.
Step by Step Instructions
Step 1: Upload Your PDF
Click Select PDF File and choose a PDF from your device. You can also drag and drop the file into the upload area.
Step 2: Choose the Watermark Type
Select Text Watermark if you want wording such as CONFIDENTIAL, DRAFT, SAMPLE, APPROVED, or your company name. Select Image / Logo Watermark to use a PNG or JPG logo, stamp, signature graphic, or brand mark.
Step 3: Select the Pages
Choose All Pages to watermark the complete document. Choose Specific Pages to target selected pages. You can enter page numbers and ranges such as 1,3,5,7 to 10.
Step 4: Choose the Position
Place the watermark in the center, top left, top right, bottom left, bottom right, or use the repeat option to tile the watermark across the page.
Step 5: Adjust the Appearance
Set the opacity, rotation, text size, color, or image size. A lighter opacity is often better when the underlying document must remain easy to read.
Step 6: Set the Output File Name
Enter a clear file name for the finished PDF. The tool adds the PDF extension automatically when the file is downloaded.
Step 7: Add and Download
Click Add Watermark. When processing is complete, click Download PDF to save the new file.
Tool Settings Explained
| Setting | What It Does | Best Use |
|---|---|---|
| Watermark Type | Choose text or image watermarking. | Text for labels, image for logos and graphics. |
| Watermark Text | Enter the exact wording shown on the PDF. | CONFIDENTIAL, DRAFT, SAMPLE, APPROVED, company name. |
| Upload Watermark Image | Add a PNG or JPG file. | Transparent PNG logos usually produce the cleanest visual result. |
| Apply On | Apply to every page or only selected pages. | Use selected pages for certificates, appendices, or branded sections. |
| Specific Pages | Enter individual page numbers or page ranges. | Examples: 2,4,6 or 8 to 12. |
| Position | Choose center, corners, or repeat placement. | Center for status labels, corners for logos. |
| Opacity | Controls how transparent the watermark appears. | 20% or 35% often gives a good balance. |
| Rotation | Sets the watermark angle. | Negative 45 degrees is common for confidential or draft documents. |
| Text Size | Controls the visual size of text watermarks. | Use larger values for central labels. |
| Text Color | Choose the watermark color. | Light gray works well on many business documents. |
| Image Size | Sets Small, Medium, Large, or Extra Large image placement. | Use smaller sizes for corner logos. |
| Output File Name | Sets the name of the finished file. | Use descriptive names such as proposal confidential. |
Real Before and After Example
A business sends a proposal PDF to several clients. The file contains original layouts, pricing details, and confidential planning information, but there is no visible ownership or usage notice.
The business adds a light gray CONFIDENTIAL watermark at a negative 45 degree angle across every page. The file clearly shows its status while the original content remains readable.
Another common use is placing a transparent company logo in the bottom right corner of selected portfolio pages. This keeps branding consistent without changing the main design.
Who Should Use This Tool?
This PDF watermark tool is useful for businesses, design teams, photographers, teachers, legal offices, accountants, consultants, authors, publishers, freelancers, agencies, government departments, human resources teams, students, researchers, and anyone who needs to label, protect, or brand a PDF.
Common Uses for PDF Watermarks
- Mark documents as confidential.
- Label unfinished files as drafts.
- Add company logos to reports and proposals.
- Show copyright or ownership information.
- Mark sample documents.
- Identify approved or rejected files.
- Add internal department labels.
- Discourage unauthorized redistribution.
Privacy and File Security
The Add Watermark to PDF tool processes the document inside your browser during normal use. The file is not uploaded to an external server by this tool, which gives you more control over business documents, contracts, invoices, reports, and personal files.
For highly confidential documents, always follow your organization’s security, compliance, and document handling policies.
Limitations and Troubleshooting
Most standard PDF files work normally, but processing can fail when a document is password protected, corrupted, extremely large, uses an unsupported PDF structure, or exceeds available browser memory.
- Make sure the PDF opens normally in another PDF reader.
- If you have permission, remove password protection before processing.
- For image watermarks, use a standard PNG, JPG, or JPEG file.
- If processing stops, refresh the page and try again.
- Use a current version of Chrome, Edge, Firefox, or Safari.
Frequently Asked Questions
Can I add a logo to a PDF?
Can I watermark only selected pages?
Can I repeat the watermark across a page?
Can I change watermark transparency?
Can I rotate the watermark?
Does the tool change my original PDF?
Can I use this tool on a mobile device?
Do I need to install software?
Tips for Better Results
- Use a light opacity so the document remains easy to read.
- Use a center watermark for confidential files and a corner position for branding.
- Use transparent PNG logos for clean image watermarking.
- Avoid unnecessarily large image files.
- Review the final PDF before sending, publishing, or printing it.
Conclusion
The Add Watermark to PDF tool provides a simple way to label, protect, and brand PDF documents. It supports text and image watermarks, flexible page selection, multiple positions, transparency control, rotation, custom color, and image sizing.
Whether you need to mark a contract as confidential, add a company logo to a report, label a draft, or show document ownership, PDF Mentor helps you create a clear professional result directly in your browser without installing additional software.
Make your PDF documents clearer and more professional
Add a watermark in a few steps, then download the updated PDF.