Watermark PDF
Add a text or image watermark to selected PDF pages without uploading your files.
The interactive workspace opens here when JavaScript is available. Instructions and supported options are below.
How to use Watermark PDF
- Select a supported PDF using the workspace’s file picker.
- Review the document and set the options shown for this operation.
- Run the operation, inspect its result and use the available save controls.
Why use Watermark PDF online?
- Process input on your device without installing desktop software.
- Keep the workspace and instructions together while you work.
Watermark PDF: common questions
How does Watermark PDF handle my input?
Processing happens on your device. OmniKit does not upload or save your tool input or results.
Do I need an account for Watermark PDF?
No account is required for the main tool. Optional favorites and account features are separate from processing your input.
What should I check before using Watermark PDF results?
Keep your original PDF and review the output. Document encryption, unsupported fonts, complex layouts or a damaged source can prevent an operation from completing.