DtDoctransform
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Text Watermark

WatermarkPreview

Stamp text across every page.

Drop files here or choose

PDF · multiple allowed

Options

Cost1 credits
Free to try Private & secure Deleted after 1 hour

Accepts

PDF

Returns

File

Batch

Multiple files

Cost

1 credits

About Text Watermark

Stamp text across every page. Use it free in your browser, or call the same thing from your code with one API request.

  • Brand every page with your logo
  • Mark drafts as CONFIDENTIAL
  • Protect files before distribution

How it works

  1. 1

    Upload your files

    Drop in your PDF — add as many as you need, or pick from your device.

  2. 2

    Set your options

    Tune a couple of settings to get exactly the result you want.

  3. 3

    Download the result

    Grab your file right away. Files are deleted automatically after an hour.

Prefer to automate? Call it by API.

curl -X POST https://api.doctransform.io/watermark/text \
  -H "Authorization: Bearer dt_live_••••" \
  -F "file=@document.pdf" \
  -F "text=value" \
  -F "position=center" \
  -F "opacity=100"

Questions, answered

Yes — it's free to try in your browser. Programmatic use through the API costs 1 credits per run.

They're encrypted in transit, processed only for your request, and automatically deleted within an hour. We never use them to train models.

PDF. You can process several at once.

Related tools

Image Watermark

Place a logo or image on each page.

1 credits