Aspose.DiagramAspose.Diagram

AsposeDiagramming Tools.NETJavaJavaScript

API for programmatic Visio diagram processing and conversion.

  • Create and modify Visio diagrams programmatically.
  • Convert VSD and VSDX to PDF and images.
  • Manage shapes, connectors, and diagram structure.
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Load, create, save and manipulate Microsoft Visio drawings.
Aspose.Diagram is a collection of APIs that enable developers to create, manipulate, and convert Microsoft Visio diagrams without requiring Microsoft Visio. It supports formats such as VSD, VSDX, and VDX, and allows applications to manage pages, shapes, connectors, and layout while exporting diagrams to PDF, image, and other formats.

Comprehensive Visio Format Support

The APIs support reading and writing Microsoft Visio formats including VSD, VSDX, and VDX. Applications can convert diagrams between supported formats or export them to PDF, HTML, and image formats, enabling document sharing, archiving, and web publishing scenarios.

Diagram Creation and Editing

Developers can create new diagrams from scratch or modify existing files programmatically. The library provides access to pages, masters, shapes, and layers, allowing precise control over diagram structure and content within enterprise applications.

Shape and Connector Management

Aspose.Diagram enables applications to add, remove, and update shapes and connectors. Developers can control shape properties, text, size, and positioning, as well as define relationships between elements to represent workflows, organizational charts, and technical schematics.

Layout and Page Configuration

The APIs provide functionality to manage page settings, including size, orientation, margins, and scaling. Applications can configure layout options to ensure diagrams are rendered consistently across different output formats and presentation contexts.

Data Linking and Custom Properties

Developers can associate shapes with custom data and manage user defined properties within diagrams. This enables integration of diagram elements with external data sources, supporting dynamic reporting, visualization, and data driven diagram generation.

Rendering to PDF and Image Formats

Aspose.Diagram allows diagrams to be rendered to PDF and common raster image formats. Developers can configure rendering options to control output quality and layout, making it suitable for distribution, printing, and embedding in other documents.

Programmatic Diagram Conversion

The libraries support automated conversion of Visio files to various formats within server side workflows. Applications can implement batch processing to transform large volumes of diagrams without relying on desktop Visio installations.

Cross-Platform Development Support

Aspose.Diagram is available for .NET, Java, Node.js via Java, and Python via .NET and Java. This enables organizations to integrate diagram processing capabilities into web, desktop, and cloud applications across diverse technology stacks.

Product Compatibility

Review the details below to ensure this product is supported within your environment.

Component Type

  • .NET
  • Java
  • JavaScript

.NET Version

  • .NET 10 LTS
  • .NET 9 STS
  • .NET 8 LTS
  • .NET 7 STS
  • .NET 6 LTS
  • .NET 5 / .NET Core 3.1
  • .NET 4.8 or earlier

.NET Platform

  • .NET Assembly
  • .NET Class
  • .NET Core 3.1 Assembly

JavaScript Platform

  • Node.js
  • Vanilla JavaScript

Java Platform

  • Java Class

IDE Support

  • Eclipse
  • JBuilder
  • NetBeans IDE
  • Visual Studio