PDF / Document Tools

Watermark PDF

Runs locally

Processing runs in your browser. Creating a result-sharing link is a separate, explicit action with its own storage notice.

Places a chosen text watermark on PDF pages.

Back to PDF / Document Tools Recent runs is stored in your browser only.

Position

Pages

Auto Run

Input PDF Source

Upload PDF PDF files are processed in your browser only.

No PDF selected yet.

Secondary input Watermark Text

Output

Waiting

No result yet.

Enter a value and run the tool to see the result here.

Ready to run.

Ready Run the tool to see a result summary here.

Recent runs

Only execution metadata (time, action, status, duration, and result size) from the last 30 days is stored in this browser, up to 20 runs. Inputs, result content, filenames, location, and device data are never saved.

No execution history is saved yet.

Direct answer

Use Watermark PDF with verifiable output

Places a chosen text watermark on PDF pages.

What does this tool do?

Use it to mark review status, confidentiality, or an intended recipient visibly across PDF pages.

Supported inputs

A PDF file and watermark text

Outputs

A watermarked PDF file

How to use it

Upload one PDF and enter the watermark text.
Choose a position and optional page list, then select Add Watermark.
Preview the marked pages and download the new PDF.

Reproducible example

Input

Text: DRAFT, position: Center, pages: all

Expected result

A fixed translucent DRAFT label is placed diagonally at the center of each page.

Checks

Check placement, contrast, and readability across different page sizes.

Limitations

A watermark is not access control or copy protection and may obscure content.

Privacy

Inputs and results are processed only in browser memory and are not sent to the server, analytics, or browser storage.

Sources and standards

ISO 32000-2 (PDF 2.0)

Related tools

Content reviewed: 2026-09-03

Search Answer

Watermark PDF Search Answer

Watermark PDF adds a visible text watermark in your browser before a document is shared or published. You can quickly copy or download the result.

Key Points

Category: PDF / Document Tools
Execution mode: browser
Recent runs is stored in your browser only.
Files and processing run through browser worker-first local execution.

How to Use

Upload the required file.
Choose the needed options or fill the secondary input.
Run the tool from the run bar above the panels.
Review the result, then copy or download it.

Search Answer

Frequently Asked Questions

What does Watermark PDF do?

Watermark PDF adds a visible text watermark in your browser before a document is shared or published.

Does Watermark PDF store my input?

Files and processing run through browser worker-first local execution.

When should I use Watermark PDF?

Watermark PDF is useful when you need to review or organize PDF / Document Tools data quickly.