Two of the cheapest signals of a professional document are a properly placed watermark and correct page numbers — and two of the most common amateur tells are the reverse: a watermark that obscures the content, and page numbers that don't match the pages they're on. Both are finishing touches, which means they come last, and both reward getting the details right.
Watermark placement and opacity
A watermark exists to be noticed but not to be read. The two most common mistakes are making it too loud — a 90% opacity 'DRAFT' stamped across the entire page, rendering the text behind it hard to read — and making it so faint it serves no purpose. The sweet spot is around 20–30% opacity, positioned diagonally across the page or in a corner, so the document stays fully readable and the watermark is unmistakable on a quick glance. For legal or financial drafts, 'CONFIDENTIAL' or 'DO NOT DISTRIBUTE' as a diagonal watermark is conventional; for branded materials, a small corner logo at low opacity reads more professionally than a full-page stamp.
Page numbers: the details that matter
- Skip the cover page — a title page normally has no number, and the first numbered page is page 1 (or the page after the cover is page 2 in book-style documents).
- Match the numbering to the printed numbers — if the document says 'Page 7 of 24' inside its own content, the PDF page numbers should agree, or readers will distrust the document.
- Restart numbering for appendices — a common convention is to number the main body 1–20 and the appendix A-1, A-2, rather than continuing to 28.
- Position consistently — footer is the convention for most business documents; top-right is common for reports. Pick one and apply it to every page.
Do watermark first, numbers second
If you add page numbers first and then stamp a watermark across the whole page, the watermark can sit on top of the numbers, making them look broken. Watermark the pages, then add page numbers in a position the watermark doesn't touch (usually the footer).
When you're sharing a draft with 'CONFIDENTIAL' stamped on it, remember the watermark is a deterrent, not a control — a recipient can still save or forward the file. It tells people the document's status; it doesn't enforce it. Pair it with a document password when the content genuinely needs protection.
Finish a PDF properly
ForgePlug's PDF Watermark adds text or image watermarks with opacity and position control, and Add Page Numbers handles styles, ranges, and cover-page skipping — both live in your browser.
Open Add Watermark to PDF