Yes. Once applied and downloaded, the watermark becomes a part of the PDF content stream. While sophisticated tools might be able to remove it, it serves as a strong deterrent and professional branding element.

Yes, we fully support transparent PNGs, which are ideal for image watermarks as they allow the underlying text to be visible around the logo.

We support files up to 50MB. Larger files may work depending on your computer's memory, but performance is best with standard document sizes.

No. The watermark is placed as a separate layer (either over or under the text), so the original text remains selectable and searchable.

Our tool currently applies the watermark to all pages of the document to ensure consistent branding and protection.