PDF Bench

Add text or image watermarks in-browser

Use Watermark to label documents before sharing. You can apply text like CONFIDENTIAL or add a logo image with adjustable position, size, opacity, and rotation.

Best for

  • Marking drafts, internal docs, or review copies.
  • Adding visual ownership labels to exported PDFs.
  • Applying a logo across every page of a document.

How to use this tool

  1. Upload a PDF and choose text or image watermark mode.
  2. Set position, opacity, and rotation. For text, set label, font size, and color.
  3. Download the watermarked PDF.

Limitations and notes

  • Watermarks are applied to every page in the output.
  • Small logos can appear blurry if source image quality is low.
  • Extreme opacity or placement choices can affect readability.

Common watermark patterns

  • Large diagonal draft text for internal review copies.
  • Subtle corner branding with a logo for client-facing exports.
  • Confidential or internal-use labels on every page of a shared packet.

Watch the final readability

  • Very bold text or dark logos can cover content you still need people to read.
  • Low-quality source images will look soft once they are scaled across a page.
  • If the file is sensitive, watermarking is not a privacy feature by itself — use Redact or Sanitize when the risk is actually data exposure.

FAQ

Can I preview before downloading?

Yes. The page preview shows document pages so you can tune settings before export.

Which image formats are supported?

PNG and JPEG watermark images are supported.

Does watermarking remove metadata or hidden content?

No. Watermarks change the visible page appearance only. Run Sanitize if hidden metadata is part of the problem.

Related pages

Add page numbers · Sanitize before sending · Local processing details