For AI agents: the complete documentation index is available at https://a3s-lab.github.io/Office/docs/en/llms.txt, the full documentation bundle is available at https://a3s-lab.github.io/Office/docs/en/llms-full.txt, and this page is available as Markdown at https://a3s-lab.github.io/Office/docs/en/index.md.
A3S Office
Playground
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      • A3S Office documentation

      A3S Office is a modular browser editor library for documents, Markdown, spreadsheets, presentations, and PDFs. The Playground is the interactive home; this site is the stable reference for integration and automation.

      Choose a path

      GoalStart here
      Evaluate an editor in the browserOpen the Playground
      Embed an editor in an applicationGetting started
      Compare React, Vue, and custom-element bindingsComponent integration
      Configure one editor in detailEditor API
      Add host actions or TipTap extensionsExtension model
      Inspect or edit files from a coding agentCLI and Skill

      Editor surfaces

      SurfacePublic componentPrimary engine
      DocumentDocumentEditorTipTap/ProseMirror plus the A3S Office layout kernel
      MarkdownMarkdownEditorTipTap visual editing and a controlled Markdown source model
      SpreadsheetSpreadsheetEditorGrid interaction plus the A3S Office calculation kernel
      PresentationPresentationEditorScene graph with on-demand TipTap text editing
      PDFPdfViewerPDFium WebAssembly rendering and annotation controllers

      The public package is @a3s-lab/office. It exposes typed core models, React components, Vue bindings, custom elements, and one shared stylesheet.

      Languages and versions

      Use the navigation controls to switch between Simplified Chinese and English, or between latest and a published release. Search stays scoped to the current language and version so API results from different releases are never mixed.