How to add a watermark to a PDF
A watermark is the simplest way to mark a document as a draft, label it confidential, or claim ownership of a file you're sharing. Slate stamps your text across every page without uploading the document.
Steps
- Open Watermark PDF.
- Drop in your file.
- Type your watermark text (for example, CONFIDENTIAL) and pick the opacity and angle.
- Download the watermarked PDF.
Tips
A diagonal watermark at low opacity is the hardest to crop out and the least distracting to read through. For numbered handouts, pair this with Add Page Numbers.
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