Add watermarks, stamps, page numbers, headers, and footers.
Choose a PDF, then tune the mark before applying it.
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Protect and brand your PDFs by adding custom text watermarks, stamps, headers, footers, and page numbers — all with full control over position, size, and opacity.
Yes. PDFKit applies the watermark across all pages of the document by default, with options to target specific page ranges.
Yes. Use the watermark tool to insert page numbers with custom placement, font size, and alignment.
Yes. You can set the watermark opacity from fully transparent to fully opaque to achieve the desired visual balance.
Yes. Rotation controls let you angle the watermark text at any degree, including the classic diagonal position.
Yes. Core watermarking features including text, headers, footers, and page numbers are available for free with standard file limits.