How to add watermark
Place a transparent diagonal text watermark across every page of a PDF. Use labels such as DRAFT, CONFIDENTIAL, SAMPLE, or a company name to communicate document status.
Select one pdf and custom text from your device.
Check filenames, total size, format, available settings, and privacy mode.
Process the file and review result size, type, and elapsed time before downloading.
When this tool is useful
Use labels such as DRAFT, CONFIDENTIAL, SAMPLE, or a company name to communicate document status. The dedicated page keeps the task focused and provides a shareable URL you can bookmark for later use.
Privacy and file handling
Supported processing happens locally in your web browser. The tool does not need to upload your document to complete this task. Closing or refreshing the page clears the selected browser files and generated download link.
Frequently asked questions
Is Add Watermark free to use?
This version can be used without creating an account. Browser memory and device performance determine the practical file-size limit.
Are files uploaded while using Add Watermark?
No. This tool processes supported files inside your browser, so the document is not uploaded by the tool.
What output does Add Watermark create?
The expected result is watermarked pdf. After processing, the page shows the output filename, size, format, and processing time before download.