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Kuingsmile/word-GPT-Plus

A Microsoft Word add-in that brings AI chat and an agent that can edit your documents directly into Word.

Open-source alternative to:Microsoft Copilot

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What is it?

Word GPT Plus is a Microsoft Word add-in that lets you generate, translate, summarize, polish, and check text without leaving your document. It connects to OpenAI and OpenAI-compatible services, Azure OpenAI, Google Gemini, Groq, and locally hosted Ollama models, and you can add custom model names for each provider.

Beyond chat, an Agent mode uses LangChain and a set of Word tools to read the document, insert, replace, or append text, create formatted paragraphs, tables, and lists, add bookmarks, and search and replace. Web search is off by default and must be enabled in settings. Chat and agent modes are both available, with streaming responses and one-click actions for translation, polishing, academic rewriting, summarization, and grammar correction.

The add-in can be installed from a provided manifest, or self-hosted via Docker or a source build. API keys and custom prompts are stored in local storage, and the add-in talks directly to the chosen provider. It works only with .docx files.

Key features

  • 01Connects to OpenAI-compatible, Azure OpenAI, Google Gemini, Groq, and Ollama models.
  • 02Agent mode can read, insert, replace, and format content in the open Word document.
  • 03Quick actions for translation, polishing, academic rewriting, summarizing, and grammar checks.
  • 04Streaming responses with the ability to stop generation at any time.
  • 05API keys and custom prompts are kept in local storage.
  • 06Optional self-hosting via Docker or a source build.

Use cases

  • Drafting and rewriting sections of a report or essay directly in Word.
  • Translating a selected passage into another language while keeping the document open.
  • Asking an agent to restructure headings, add a summary, or apply formatting across a long document.
  • Running an AI assistant on a private or self-hosted backend for teams with data-handling requirements.

Quick start

  1. 1

    Download the manifest.xml file from the README's instant-use folder

  2. 2

    Save manifest.xml to a dedicated folder and follow the Add-in Installation Guide to sideload it into Word

Things to know

  • Works only with .docx files, not the older .doc format.
  • Requires your own API key from a provider such as OpenAI, Azure, Google Gemini, or Groq.
  • Sideloading into Word requires manual setup steps through the Trust Center.

In collections

Open-source AI agent frameworks & apps

Topics

#word#microsoft-office#openai#llm#langchain#ai-agent#document-editing#typescript#ai#chatgpt

FAQ

What is word-GPT-Plus?
A Microsoft Word add-in that brings AI chat and an agent that can edit your documents directly into Word. Word GPT Plus is a Microsoft Word add-in that lets you generate, translate, summarize, polish, and check text without leaving your document. It connects to OpenAI and OpenAI-compatible services, Azure OpenAI, Google Gemini, Groq, and locally hosted Ollama models, and you can add custom model names for each provider.
Is word-GPT-Plus free to use? What license does it have?
word-GPT-Plus is open source under the MIT license. Check the license terms before using it in commercial products.
Is word-GPT-Plus still maintained?
Actively maintained. The last commit to word-GPT-Plus was on Nov 6, 2026.
What can I use word-GPT-Plus for?
Drafting and rewriting sections of a report or essay directly in Word. Translating a selected passage into another language while keeping the document open. Asking an agent to restructure headings, add a summary, or apply formatting across a long document. Running an AI assistant on a private or self-hosted backend for teams with data-handling requirements.
How do I install word-GPT-Plus?
Download the manifest.xml file from the README's instant-use folder Save manifest.xml to a dedicated folder and follow the Add-in Installation Guide to sideload it into Word
Where can I get word-GPT-Plus?
The source code and installation instructions are on GitHub: https://github.com/Kuingsmile/word-GPT-Plus

Summary generated by AI from the project's README. GitHub stats refresh daily.

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