PDFSimpli
/
Tools
/
Add Stamp to PDF Online Free

Easily Add Stamp to PDF Online Free

Add professional stamps like 'Approved', 'Confidential', or custom dates to your PDF files.

Insert standard or custom stamps
No software installation needed
Add dates and review status

+1-844-898-1076 | Phone 9AM-6PM AST MON-FRI |Chat or Email Support 24/7

Unlimited access to all our tools

How to watermark a PDF online

Watermark and save a PDF file online in 4 simple steps
1
Click on "Upload PDF to Watermark" or select, drag and drop your file in "Drop PDF Files Here."
2
Make any edits you want to your document
3
Click "Convert" and select the desired file format .
4
Download the converted file or share it with anyone.
Translate PDF

Here's why people trust us

Choose the best online tool to watermark your PDFs
Got questions about merging PDF documents? We have answers!

Upload your file to PDFSimpli. Our editor lets you add stamps, change text size, and rotate pages with just a few clicks.

Yes! You can add your name or logo as a stamp to any PDF file online from your mobile or desktop.

Yes, you can use our tools to convert any document and add stamps or watermarks easily.

With PDFSimpli’s online tools, you can edit, modify, stamp, and download any document in just a few clicks.

See All FAQS
Convert PDFs or any file now
Add professional stamps like 'Approved', 'Confidential', or custom dates to your PDF files.

Select Language

Company
Careers
About Us
Affiliate Program
Learn
News
Tutorials
WorkSmart
Support
FAQ
Help Guide
Contact Us
Tech Support
Cancellation/Refunds
Account Management
Trust Center
Partnerships
Testimonials
Accessibility
Certifications
SOC-2
PCI DSS
ISO 27001
Solutions
Plans
Industry
Individuals
Small Business
Resume Build
Social Media

LinkedIn

YouTube

SignSimpli App

iOS

Android

PDFSimpli Web Tools

Browser Extension

Finance Simpli Logo

© 2026 , WorkSimpli Software, LLC. All rights reserved.