Add Watermark to PDF
Overlay a text watermark across every page. Use this free online tool without creating an account. Your files are processed on your device for privacy.
Free add watermark with no account
Private — files stay on your device
Works in Chrome, Safari, Firefox, and Edge
Fast in-browser processing
How to use Add watermark
- Select your file. Open Add watermark and upload pdf files using the picker or drag-and-drop.
- Adjust options. Set any optional settings shown for this tool (pages, quality, password, watermark, and so on).
- Run the tool. Click “Add watermark” and wait for processing to finish in your browser.
- Download the result. Your browser downloads the output automatically. Check the file before sharing.
Add watermark FAQs
Is Add watermark free to use?
Yes. Add watermark on Knowvora is free — no signup, watermark on the tool, or daily limit for normal personal use. Processing happens in your browser.
Are my files uploaded when I use Add watermark?
No. Files are processed locally in your browser and are not uploaded to Knowvora servers. Close the tab when you are done for extra peace of mind.
What file types does Add watermark accept?
This tool accepts PDF files. Use the file picker or drag and drop to start.
Does Add watermark work on mobile?
Yes. It works in modern mobile browsers (Chrome, Safari, Firefox, Edge). Large files may take longer on slower devices.
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