← All PDF tools

PDF Watermark

Add text or a PNG/JPG logo to a PDF. A watermark does not remove underlying content.

Local limits: Max single file: 60 MB

Loading image and drawing controls...

Loading settings...

Files are processed in your browser. They are not uploaded to this site.

A practical guide

Watermark PDF: a worked example

  1. Choose a PDF and text or image watermark.
  2. Set the position and opacity, keeping document text readable.
  3. Convert or inspect, review the result and save it if needed.

Try this example

Use DRAFT at light strength to mark a review copy. Do not cover private information with a watermark and assume it has been removed.

Before

  • Report

After

  • Report + DRAFT
Input and expected output for this operation. Illustrative example.

Before you start: Add text or a PNG/JPG logo to a PDF. A watermark does not remove underlying content.

Continue with Merge PDF
What you get

Add text or a PNG/JPG logo to a PDF. A watermark does not remove underlying content.

Limits and important details

One image, 5 MiB/4 MP. PNG transparency and JPG backgrounds remain; no EXIF correction. PDF letterhead: one template page up to 5 MiB, source 10 MiB/200 pages, output 40 MiB. Annotations, links and form widgets are rejected; document metadata/bookmarks are not preserved. Opaque page backgrounds may hide a layer. A watermark is not redaction, access control or identity verification; digital signatures may be invalidated. Text fonts support limited characters.

Example

Use DRAFT at light strength to mark a review copy. Do not cover private information with a watermark and assume it has been removed.