PDF watermark tool
Watermark PDF
Add a text watermark to your PDF in your browser. Upload one PDF, preview all pages, choose the watermark text, color, and opacity, then download the finished file.
Upload one PDF to start watermarking
Add a diagonal text watermark across all pages, preview the result, and download the final file when it is ready.
Or drop a PDF file here (Max 1 file).
Related tools
Suggested PDF tools
Use these internal tools after watermarking when you need to compress, merge, sign, or protect your document.
Compress PDF
Reduce file size after watermarking so the PDF is easier to email or upload.
Merge PDF
Combine multiple PDFs into one file before or after applying your watermark.
Protect PDF
Add password protection if your watermarked PDF contains restricted information.
Sign PDF
Add a signature when the final watermarked version is ready to share.
How to use
How to use the Watermark PDF tool
The workflow is simple and keeps the tool area clean so users can finish the task quickly.
Upload your PDF
Choose one PDF file or drag and drop it into the upload area to open the workspace.
Set the watermark text
Enter the wording you want, such as Confidential, Draft, Internal, Sample, or your company name.
Adjust color and opacity
Use the built-in controls to make the watermark visible while keeping the page content readable.
Apply, preview, and download
Apply the watermark, review the result, then use the Download button when the new PDF is ready.
Features and functions
Single PDF workflow
This tool is built for one PDF at a time, which keeps the watermarking process focused and simple.
Text watermark settings
You can set the watermark text, choose a color, and select the opacity level directly in the toolbar.
Live page preview
Each page is shown in the workspace so users can check the watermark before exporting the final file.
Preview and download
After processing, the finished PDF can be previewed and then downloaded without leaving the page.
Popular use cases
- Add a Confidential watermark to internal reports or financial documents.
- Mark draft files before review so readers know the document is not final yet.
- Add Sample or For Review to client proofs.
- Include a business name or department label across a PDF for internal circulation.
- Watermark training handouts, guides, and classroom materials before sharing them.
Privacy and best practices
This watermarking workspace is designed to run in the browser, which helps keep the workflow local to your device while you upload, process, preview, and download the file.
- Use short watermark text for cleaner placement across different page sizes.
- Use lower opacity when the PDF contains dense text or charts.
- Preview the final result before downloading so you can confirm readability.
Current limitations
- One PDF per session.
- Text watermarks only in this version.
- Built-in color and opacity options only.
- Encrypted or damaged PDFs may not load correctly.
Who this tool is for
- Teams that need internal, draft, review, or confidential labels on shared PDFs.
- Businesses that want a simple brand or department name across every page.
- Teachers, trainers, and students sharing classroom materials or handouts.
- Anyone who needs a quick browser-based watermark workflow without extra apps.
Common mistakes to avoid
- Using watermark text that is too long, which can reduce readability on small pages.
- Choosing very high opacity for dense reports, invoices, or forms.
- Downloading the old file after changing settings instead of reapplying the watermark.
- Skipping the preview step before sharing the final PDF.
FAQ