← All tools
PDF ToolBuilt into the unified PDF editor

Watermark (text or image)

Add a text watermark or an image layer to the pages of your PDF. Directly in DocuNest's unified PDF editor (Insert menu).

Watermark (text or image) in DocuNest: 100% local processing on Windows, macOS, and Linux. Automatable via the docunest CLI.

Download DocuNestDiscover the PDF editor →
Watermark (text or image)
Preview of Watermark (text or image) in DocuNest, offline PDF app

Built into the unified PDF editor. This tool is used directly within the DocuNest editor: open your PDF, apply the action, undo with Ctrl+Z if needed, then move on to any other tool — without ever reloading your file.

Discover the PDF editor →

Features

Text watermark with customizable font, size, and angle
Image watermark (logo, stamp) layered on the pages
Opacity control for a subtle result
Apply to all pages or a selection
Insertion from the editor (Insert menu), with unlimited undo (Ctrl+Z)

Use cases

1

Mark as confidential

Affix a "CONFIDENTIAL" watermark to an internal document.

2

Protect a draft

Add "DRAFT" as a watermark to prevent premature distribution.

3

Branding

Overlay your logo on every page of a business document.

Command line

Same result as the interface, in one command. Nothing leaves your machine.

docunest — zsh

local
# Text watermark
❯ docunest pdf watermark -i document.pdf -t "CONFIDENTIAL" --opacity 0.3 --font-size 48 --angle 35 -o result.pdf
✓ Done — file written locally, no network upload

Complete CLI documentation →

Frequently asked questions

Can I adjust the transparency?
Yes. The --opacity parameter allows you to set the opacity from 0 (invisible) to 1 (opaque).
Is the watermark on all pages?
By default, yes. You can also target specific pages.
Which image formats are accepted?
PNG and JPEG are supported for image watermarks.

Similar tools

📌

Insert images

Insert an image (photo, logo, stamp) at a precise position on a page of your PDF. Directly in DocuNest's unified PDF editor (Insert menu).

✍️

Sign a PDF

Sign your PDFs: draw your signature with your finger or mouse, or import an image (PNG, JPEG), then drag, resize, and rotate it on the page. Directly in DocuNest's unified PDF editor.

📝

Annotate a PDF

Add notes, free text, highlights, underlines, and strikethroughs to your PDFs — all editable afterwards. Directly in DocuNest's unified PDF editor (Annotation menu).

Stop sending your PDFs to the cloud.

Download DocuNest: the complete editor, 7-day trial, no credit card, no files leaving your machine.

Download for free

Download DocuNest

No account required, no data collected.

Windows.exe · Windows 10+macOS.dmg · macOS 12+ · Apple Silicon

Linux

Install a system package, or use the AppImage if you prefer a portable version.

DEBDebian / Ubuntu.deb · system installRPMFedora / RHEL.rpm · system installAPPAppImagePortable, no install

Windows 10+, macOS 12+ (Apple Silicon), Linux (deb / rpm / AppImage)