PDF Tools5 min read

Add Watermark to PDF Free Online — Stamp PDF Pages Instantly

Name: JSVV SOLS LLC
Address: 4100 Lafayette Center Dr #111, Chantilly, VA, 20151, US
Price range: Free

Add text watermark to PDF online free. Customize text, size, opacity, color, and position. runs in your browser processing — files never uploaded.

Published March 14, 2026Updated October 30, 20261,000 words

Access and pricing

Supported tools include 5 free on-device uses per day, shared across eligible tools. On compatible devices, guest access needs no sign-in. Signed-in users also get 5 daily eligible on-device uses. AI and cloud processing use credits separately.

New accounts can claim 20 welcome credits once. Eligible offers in MiOffice can earn up to 80 reward credits; offer conditions apply.

Starter costs $6.99/month and includes 250 credits at each paid renewal plus unlimited eligible local processing. Unused credits roll over. The $2.99 Day Pass covers 24 hours of eligible local processing; AI and cloud credits are separate.

Compare tools using a representative file and inspect the export. Check supported formats, device compatibility, processing location and the displayed cost before starting. This article is published by MiOffice; consider its recommendations with that affiliation in mind.

Pricing

Access and pricing updated October 30, 2026. This editorial update does not indicate a new test run.

Need to add a watermark to a PDF? Whether you are marking documents as DRAFT, CONFIDENTIAL, or stamping your company name, MiOffice lets you watermark PDF pages instantly in your browser.

Full control over text, size, opacity, color, rotation, and position — all processed locally. Your document never touches a server.

How to Add a Watermark to PDF in 3 Steps

1
Upload Your PDF
Open the MiOffice PDF watermark tool and drag and drop your PDF. Guest access on supported tools; AI requires sign-in and credits.
2
Customize Your Watermark
Type your watermark text (e.g., DRAFT, CONFIDENTIAL, your company name). Adjust font size, opacity, color, rotation, and position to match your needs.
3
Download the Watermarked PDF
Click process and download your PDF with the watermark applied to every page. Ready to share, print, or archive.

Common Watermark Use Cases

DRAFT Documents

Mark documents as DRAFT to prevent premature distribution. Clearly signals the document is not final and may change.

CONFIDENTIAL Marking

Stamp sensitive documents with CONFIDENTIAL to remind recipients of their obligation to protect the information.

Company Branding

Add your company name or department to internal documents. Establishes ownership and helps with document identification.

Sample / Preview

Mark documents as SAMPLE or PREVIEW when sharing with prospects or clients who have not yet purchased the full version.

Watermark Customization Options

Setting	Options	Best For
Text	Any custom text	DRAFT, CONFIDENTIAL, company name
Font Size	12pt – 120pt	Large (60-80pt) for DRAFT stamps, small for subtle branding
Opacity	5% – 50%	10-20% for readable documents, 30-50% for clear marking
Rotation	Horizontal, Diagonal, Vertical	Diagonal is standard for DRAFT/CONFIDENTIAL stamps
Color	Gray, Red, Blue, Black	Gray for subtle, red for urgent/confidential

MiOffice vs Other PDF Watermark Tools

Feature	MiOffice	iLovePDF	Sejda
File upload to server	No — local only	Yes	Yes
Daily limits	5 shared daily eligible on-device uses	Limited free tier	3 per day
Opacity control	5-50% range	Limited	Yes
Account required	No	No (limited)	Yes (after 3/day)

Related PDF Tools

Protect PDF — Add password encryption for access control
Edit PDF — Add text, annotate, and redact content
Merge PDF — Combine multiple PDFs into one document
Compress PDF — Reduce file size for email

Edit Your PDF Now

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Get StartedLocal and cloud processing have different privacy terms

Frequently Asked Questions

Can I customize the watermark appearance?

Yes. You can control the watermark text, font size (12-120pt), opacity (5-50%), rotation (horizontal, diagonal, vertical), color (gray, red, blue, black), and position (center, corners). Preview the result before downloading.

Is the watermark permanent?

The watermark is embedded directly in the PDF. It appears on every page and is visible when the document is viewed, printed, or shared. It cannot be easily removed by the recipient.

Can I add image watermarks?

Currently MiOffice supports text watermarks. Image watermark support (logos, signatures) is planned for a future update. Text watermarks cover most use cases including DRAFT, CONFIDENTIAL, and company names.

Does the watermark appear on all pages?

Yes, the watermark is applied to every page in the PDF. This ensures consistent branding or marking throughout the entire document.

Is my PDF uploaded to a server?

For this conversion, MiOffice runs in your browser — your PDF stays on your device. Good for confidential documents, contracts, and proprietary materials. See /privacy for full details.

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