Add Watermark to PDF on iPhone

Brand your documents with custom text watermarks. Add company names, DRAFT stamps, CONFIDENTIAL notices, or copyright marks. Control position, size, color, and opacity for professional results.

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Why Add Watermarks to PDFs

Documents travel. You send a proposal to a client, they forward it to colleagues, it gets saved to shared drives, emailed again. Without identification, your work becomes anonymous—or worse, attributed to someone else.

Watermarks establish ownership and control. Your company name across every page identifies the source. "DRAFT" prevents preliminary versions from being treated as final. "CONFIDENTIAL" reminds recipients of sensitivity.

Beyond branding, watermarks deter unauthorized sharing. A document clearly marked with your company name is less likely to be passed off as someone else's work. It's a simple protection that travels with the document.

Watermark Customization Options

Custom Text

Enter any text as your watermark: company name, project name, "DRAFT", "CONFIDENTIAL", "SAMPLE", "DO NOT COPY", copyright notices, date stamps, or any custom message. No character limits—use what you need.

Position Control

Place watermarks exactly where needed. Five position options: top-left corner, top-right corner, center (diagonal across page), bottom-left corner, bottom-right corner. Center creates classic watermark appearance.

Font Size

Adjust text size from subtle to prominent. Small sizes for corner watermarks that don't distract from content. Large sizes for center watermarks that can't be missed.

Color Selection

Choose watermark color to match branding or purpose. Gray for subtle marks, red for warnings, blue for informational, black for formal documents. Color picker provides full spectrum options.

Opacity Control

Set transparency from nearly invisible to fully solid. Light opacity (20-40%) creates professional background marks. Full opacity (100%) ensures watermarks cannot be overlooked.

Common Watermark Types and Uses

Watermark Purpose Recommended Style
Company Name Brand identification Center, gray, 30-40% opacity
DRAFT Preliminary version warning Center, red, 50% opacity
CONFIDENTIAL Sensitivity notice Top or center, red, 40-60% opacity
SAMPLE Example document Center, gray, 50% opacity
DO NOT COPY Copy restriction Center, red, 40% opacity
© 2026 Company Copyright notice Bottom corner, black, 100% opacity
APPROVED Approval status Top right, green, 60% opacity
FOR REVIEW Review request Top, blue, 50% opacity

Watermark Position Guide

Top-Left / Top-Right

Header-style watermarks visible at first glance. Good for status indicators (DRAFT, APPROVED) that need immediate visibility. Doesn't obscure main content below.

Center (Diagonal)

Classic watermark position spanning the page diagonally. Impossible to miss, covers entire page without completely obscuring content. Standard for branding and confidentiality marks.

Bottom-Left / Bottom-Right

Footer-style watermarks for copyright notices and page identification. Less intrusive for document readability. Professional appearance for legal and copyright marks.

Watermark Use Cases by Industry

Legal and Contracts

Mark draft contracts to prevent premature signing. CONFIDENTIAL watermarks on sensitive legal documents. Law firm branding on client-facing documents.

Creative and Design

Protect portfolio samples from unauthorized use. SAMPLE watermarks on proofs until payment received. Copyright marks on distributed creative work.

Real Estate

Brand property listings and documents with agency name. DRAFT offers during negotiation. Agent watermarks on shared materials.

Education

Mark exam papers and answer keys as confidential. SAMPLE on practice materials. School branding on official transcripts and certificates.

Healthcare

CONFIDENTIAL marks on patient records. Practice branding on shared medical documentation. Draft status on preliminary reports.

Finance and Accounting

DRAFT on preliminary financial statements. Firm branding on client reports. Confidentiality notices on sensitive tax documents.

Watermark Best Practices

Don't Obscure Critical Content

Watermarks should be visible but not block important text or images. Use appropriate opacity—usually 30-50% for center watermarks. The document must remain readable.

Match Document Purpose

Use subtle branding watermarks for professional documents. Use prominent warning watermarks (DRAFT, CONFIDENTIAL) for status communication. Match intensity to purpose.

Keep Original Copies

Watermarks are permanent once applied. Always keep unwatermarked originals for final versions or different distribution needs. ScanLens saves watermarked copies without overwriting.

Consistent Branding

Use the same watermark style across related documents. Consistent position, color, and opacity create professional appearance. Establish a standard for your documents.

Frequently Asked Questions

Where can I position the watermark?

Five position options are available: top-left, top-right, center (diagonal across page), bottom-left, and bottom-right. Center position creates the classic diagonal watermark that spans the entire page. Corner positions work well for status stamps and copyright notices.

Can I adjust watermark transparency?

Yes, full opacity control lets you set watermark transparency from nearly invisible (subtle background branding) to fully opaque (unmissable CONFIDENTIAL stamps). The preview shows exactly how your watermark will appear before you apply it.

Does the watermark apply to all pages?

Yes, watermarks automatically apply to every page in the document. Each page receives the identical watermark in the same position, ensuring consistent branding or marking throughout the entire document.

Can watermarks be removed after adding?

Watermarks are permanently embedded in the PDF and cannot be removed. ScanLens saves watermarked versions as new copies, preserving your original unwatermarked document. Always keep originals if you might need unwatermarked versions later.

Can I use any text as a watermark?

Yes, enter any text you want: company names, status indicators (DRAFT, APPROVED), confidentiality notices, copyright statements, dates, or custom messages. There are no restrictions on watermark content.

Brand Your Documents

Ready to Add Watermarks to PDFs?

Download ScanLens free and watermark your first document. Custom text, position, color, and opacity—all the controls for professional document branding.

Download on the App Store