Watermark PDF for Free — CONFIDENTIAL, DRAFT, or Custom
Add 'CONFIDENTIAL', 'DRAFT', or your company logo to all pages of a PDF. Free online, no Adobe needed.
Watermark PDF
Add custom text watermarks with adjustable size, opacity, and position.
How to how to watermark PDF for free
Upload PDF to AskPDF
Select the document you want to watermark.
Design Your Watermark
Type custom text or upload an image. Adjust size, opacity, position, and rotation.
Apply & Download
Watermark is applied to all pages. Download your stamped document.
Why how to watermark PDF for free?
Watermarking PDFs usually requires Adobe Acrobat or specialized software. AskPDF does it free in your browser with full customization — any text, any image, any opacity level, any position. Whether you're marking documents as drafts, labeling them confidential, or branding them with your logo, the process takes about 10 seconds.
Frequently Asked Questions
Can I use a transparent logo?
How visible should the watermark be?
Related PDF Tools
Need more? Chat with your PDF using AI
Ask questions, get summaries, extract data — our AI reads your document so you don't have to.
Try AI PDF Chat