Local browser processing · No uploads

Add Watermark to PDF

Your files and data are processed locally in your browser and are never uploaded.

Key features

Enter the required values and review each setting before processing.: Choose the transparency and background settings that suit the intended output.
Verify the generated output before downloading or copying it.: Open the PDF locally, choose the required options, and verify the generated document.

Choose the transparency and background settings that suit the intended output.

If processing fails, verify the input format and limits, then try again with a valid file or value.
Limitations

Keep the original source unchanged and save the processed output as a new file.
Password-protected or encrypted files may need to be unlocked with authorization before processing.

Keep the original source unchanged and save the processed output as a new file.

Open the PDF locally, choose the required options, and verify the generated document.

Balance output quality and file size, then inspect fine details in the preview.