What document formats can I check with your Node.js via .NET library?

Our library supports grammar checking for a broad range of document formats, including but not limited to PDF, DOC, DOCX, ODT, RTF, HTML, Markdown, TXT, and more.

Is there a maximum document size for grammar checking when using Aspose.Words for Node.js via .NET?

Any document that can be processed by Aspose.Words for Node.js via .NET can be checked effectively. Thus, there is no limit on document size, but be aware that large language models may require additional charges.

What additional charges should I expect for grammar checking services?

Be aware that using large language models, such as those provided by OpenAI, Google, or Claude, may involve additional fees. It is important to monitor your usage to manage costs efficiently.

Check Grammar In Word, PDF Documents In Javascript

Q: How to check grammar in a document using JavaScript?

To check grammar in a document, use the CheckGrammar API which will interact transparently with AI services to detect and highlight grammatical problems. Install Aspose.Words for Node.js via .NET. Add a library reference (import the library) to your JavaScript project. Open the source file in JavaScript. Invoke CheckGrammar method, passing in your document. Once completed, the grammatical issues in the document will be highlighted, and you can save the result as a new file in the format you need.

AI Grammar Checker for Documents in JavaScript

Detect and highlight grammar errors in documents using OpenAI, Google, and Claude AI models with Aspose.Words for Node.js via .NET. The CheckGrammar method analyzes DOC, DOCX, RTF, PDF, HTML, Markdown, ODT, TXT, and EPUB files and marks grammatical problems — helping you deliver polished, professional content without manual proofreading.

Why Developers Choose Aspose.Words for Grammar Checking

One API call to grammar-check an entire document
Support for OpenAI (GPT-4o), Google (Gemini), and Claude model families
Highlighted errors in the output document for easy review
Support for DOC, DOCX, RTF, PDF, ODT, HTML, Markdown, TXT, EPUB, and more

Authentication requires an API key from your chosen AI provider. For a full list of supported models, see the API Reference.

Start checking grammar in JavaScript today — try the live demo above.

Example code in JavaScript for grammar checking

Output format

Select the target format from the list

Run code

npm install @aspose/words

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const aw = require('@aspose/words');

const doc = new aw.Document("Document.docx");
const apiKey = process.env.API_KEY;

// Use OpenAI generative language models.
const model = aw.AI.AiModel.createGpt4OMini();
model.setApiKey(apiKey);

const grammarOptions = new aw.AI.CheckGrammarOptions();
grammarOptions.improveStylistics = true;

const proofedDoc = model.checkGrammar(doc, grammarOptions);
proofedDoc.save("Output.docx");

                    
const aw = require('@aspose/words');

const doc = new aw.Document("Document.docx");
// Pass an empty string if the self-hosted model does not require an API key.
const model = new CustomAiModel("my-model-24b", "https://your-server.com/v1");
model.setApiKey("");

const grammarOptions = new aw.AI.CheckGrammarOptions();
grammarOptions.improveStylistics = true;

const proofedDoc = model.checkGrammar(doc, grammarOptions);
proofedDoc.save("Output.docx");

class CustomAiModel extends aw.AI.OpenAiModel {
    constructor(name, url) {
        super(name);
        this._url = url;
    }
    get url() {
        return this._url;
    }
}

                    

				Run code
			

You may freely copy this code and use it in any applicable purpose

How to check grammar in a document using JavaScript

Install Aspose.Words for Node.js via .NET.
Add a library reference (import the library) to your JavaScript project.
Open the source file in JavaScript.
Invoke CheckGrammar method, passing in your document.
Once completed, the grammatical issues in the document will be highlighted, and you can save the result as a new file in the format you need.

Node.js via .NET library to check grammar

We host our Node.js via .Net packages in NPM repositories. Please follow the step-by-step instructions on how to install "Aspose.Words for Node.js via .NET" to your developer environment.

System Requirements

This package is compatible with Node.js 14.17.0 or higher.

Check grammar of Word, PDF, Web documents in JavaScript

Check grammar of documents using JavaScript.

AI Grammar Checker for Documents in JavaScript

Why Developers Choose Aspose.Words for Grammar Checking

How to check grammar in a document using JavaScript

Node.js via .NET library to check grammar

System Requirements