Aspose.PDF  for .NET

How to add watermark to PDF file in Python

Build your own Python apps to watermarking PDF files using server-side APIs.

How to Watermark PSD File Using Python

In order to add watermark PDF file, Aspose.PDF for .NET API which is a feature-rich, powerful and easy to use PDF manipulation and conversion API for Python platform. Even one can also generates password-protected PDF files. Create requirements.txt with this content.


PowerShell Console

    pip install -r requirements.txt

Steps to Add Watermark to PSD via Python

You need the aspose.pdf.dll to try the following workflow in your own environment.

  • Load PDF file with an instance of Document
  • Create an instance of WatermarkArtifact
  • Set properties of WatermarkArtifact object
  • Add watermark using method Add of Aspose.Pdf.Page.Artifacts collection class
  • Save PDF file

System Requirements

Aspose.PDF for .NET is supported on all major operating systems. Just make sure that you have the following prerequisites.

  • Microsoft Windows or a compatible Linux OS with .NET Framework, .NET Core.
  • Development environment like Microsoft Visual Studio Code or JetBrains PyCharm.
  • Aspose.PDF for .NET DLL referenced in your project.

Add Watermark to PSD - Python

    Document document = new Document(_dataDir + "text.pdf");
    WatermarkArtifact artifact = new WatermarkArtifact();
        new TextState()
            FontSize = 72,
            ForegroundColor = Color.Blue,
            Font = FontRepository.FindFont("Courier")
    artifact.ArtifactHorizontalAlignment = HorizontalAlignment.Center;
    artifact.ArtifactVerticalAlignment = VerticalAlignment.Center;
    artifact.Rotation = 45;
    artifact.Opacity = 0.5;
    artifact.IsBackground = true;
    document.Save(_dataDir + "watermark.pdf");
  • About Aspose.PDF for .NET API

    Aspose.PDF API can be used for PDF document manipulation and parsing within applications. One can create, modify, compress, secure, print or save PDF to TXT, HTML, PCL, XFA, XML, XPS, EPUB, TEX, Images and more formats. Aspose.PDF is a standalone API and it does not depend on any software including Adobe Acrobat.

    Watermark PSD via Online App

    Add watermark to PSD documents by visiting our Live Demos website. The live demo has the following benefits

      No need to download or setup anything
      No need to write any code
      Just upload your PSD file, set your watermark and hit "Add" button
      Instantly get the download link for the resultant file

    PSD What is PSD File Format

    PSD, Photoshop Document, represents Adobe Photoshop's native file format used for graphics designing and development. PSD files may include image layers, adjustment layers, layer masks, annotations, file information, keywords and other Photoshop-specific elements. Photoshop files have default extension as .PSD and has a maximum height and width of 30,000 pixels, and a length limit of two gigabytes.

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