Core capabilities
Add diagonal text watermarking. Apply to every page. Save a new PDF copy.
Watermark adds visible text across every page of a PDF and saves a new watermarked document.
No account or card required. Local-first Mac app.

Add diagonal text watermarking.
Apply to every page.
Save a new PDF copy.
Concrete features, inputs, and workflow details for this tool.
Add diagonal text watermarking. Apply to every page. Save a new PDF copy.
Works with pDF files.
Add a PDF. Enter watermark text. Review output options. Save the watermarked PDF.
Common uses include draft documents, client proofs, review copies, and internal packets.
Add a PDF.
Enter watermark text.
Review output options.
Save the watermarked PDF.
It is stamped into the exported PDF copy, so keep the original file.