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Watermark PDF

Add text or image watermarks to PDF files online. Customize opacity, rotation, scale, position, and page ranges locally in your browser with zero server uploads.

Free Forever No Server Uploads
Client-Side Workspace
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Drag & drop, browse, or paste (Ctrl + V)

Upload files using your preferred method

Browse Files
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Upload a PDF file on the left to preview and process it.

How to Use Watermark PDF

1

Upload PDF Document

Drag and drop your PDF into the tool workspace or click Browse Files to select a document from your device.

2

Choose Watermark Type & Content

Select Text watermark (e.g. DRAFT, CONFIDENTIAL) or upload a custom Image logo watermark (PNG/JPG).

3

Adjust Opacity, Rotation & Layout

Set Opacity slider (0 100%), Rotation angle (negative 180 to 180 degrees), Scale size, and Position (Diagonal, Center, Top, Bottom, or Tiled Pattern).

4

Apply Watermark & Download

Choose target pages (All or Custom Range), click Watermark PDF to embed overlays using document editor, and download your file.

What is Watermark PDF?

  • Key Features

Operating entirely inside your web browser via document editor, your sensitive business plans, financial reports, and legal documents remain completely private on your computer without cloud transfers.

Overlay custom text stamps (e.g., โ€˜CONFIDENTIALโ€™, โ€˜SAMPLEโ€™) or upload PNG/JPG logo images.

  • Tile watermarks repeatedly across pages in a 3x4 grid to prevent document tampering or cropping.
  • Fine tune transparency (0% to 100%) and angular rotation (negative 180 to 180 degrees) for optimal visual balance.
  • Apply watermarks across all pages or restrict overlays to custom page ranges (e.g. 1 3, 5).
  • All rendering and file assembly occur strictly inside browser memory without server uploads.

(.pdf)

  • Custom Text String, PNG or JPEG Image File
  • Watermarked Portable Document Format (.pdf)

Stamp multi page reports with a semi transparent โ€˜DRAFTโ€™ watermark prior to final stakeholder approval.

  • Overlay โ€˜CONFIDENTIALโ€™ diagonally across proprietary research whitepapers and corporate financials.
  • Tile company logo watermarks over digital eBook previews or photography sample sheets before web distribution.
  • Stamp document pages with โ€˜COPY FOR CLIENTโ€™ to maintain clear administrative records.

& Processing Guarantees

All watermark text vector rendering, image embedding, coordinate matrix transformations, and PDF binary compilation take place locally within your web browser. Your file contents are never transmitted across the network or stored on remote cloud servers.

Watermark PDF vs Related Tools

  • Watermark PDF overlays text or logo stamps across document pages for copyright or confidentiality labeling. Sign PDF Online places an electronic signature graphic onto a specific signature block on a designated page.
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Frequently Asked Questions

The tool uses document editor inside your browser to embed vector text or PNG/JPEG logo images onto the page streams of your document. It applies your custom opacity, rotation, scale, and placement coordinates locally without sending documents to cloud servers.

Yes. You can type any custom text string (such as 'CONFIDENTIAL', 'DRAFT', or 'FOR REVIEW') or upload your own PNG or JPEG company logo image file.

The Pattern option tiles your text or image watermark repeatedly across each page in a 3x4 grid pattern, providing maximum protection against unauthorized page scanning or cropping.

Yes. An interactive Opacity slider (0% to 100%) controls transparency so underlying text remains readable, and a Rotation slider (negative 180 to 180 degrees) allows custom diagonal or horizontal angles.

Yes. You can choose 'All Pages' or select 'Custom Range' to specify exact page numbers (e.g. `1 3, 5`) that should receive the watermark overlay.

No. All watermark parsing, coordinate math, image processing, and PDF binary output generation execute strictly within your local browser runtime. Files are never uploaded.

No. Watermarks are overlaid as semi transparent graphic layers over the page. Underlying vector text remains sharp, selectable, and searchable.

Encrypted PDFs must be unlocked before applying watermarks. Use our PDF Password Remover tool to remove encryption prior to watermarking.

There is no tool limit. You can watermark large multi hundred page documents smoothly, limited only by your device's available browser memory.

Yes. The tool is 100% free with no registration requirements, no subscriptions, and zero added branding watermarks.