📊 Sentiment Analyzer Chrome Extension with Spring Boot & Stanford CoreNLP

A Chrome Extension integrated with a Java Spring Boot backend that performs real-time sentiment analysis on product reviews using Stanford CoreNLP.

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🚀 Features

• Analyze product reviews or any text directly from the Chrome extension
• Backend powered by Stanford CoreNLP for deep learning-based sentiment analysis
• Returns sentiment as Positive, Negative, or Neutral
• Lightweight Chrome UI with instant feedback
• CORS-enabled API for secure communication between extension and backend
• Scalable architecture to integrate advanced NLP models in future

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🛠️ Tech Stack

Layer	Technology
Frontend	HTML, CSS, JavaScript (Chrome Extension)
Backend	Java, Spring Boot, REST APIs
NLP	Stanford CoreNLP (Java NLP library)
Build Tool	Maven

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📂 Project Structure

/sentiment-analyzer-extension # Chrome Extension (Frontend) popup.html popup.js manifest.json /sentiment-analyzer-backend # Spring Boot Backend /controller /service /entity pom.xml

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⚙️ Setup Instructions

🔸 Backend (Spring Boot)

1. Clone the repository
2. Navigate to /sentiment-analyzer-backend
3. Run mvn clean install
4. Run the Spring Boot app on port 8090

🔸 Frontend (Chrome Extension)

1. Navigate to chrome://extensions/
2. Enable Developer Mode
3. Load the /sentiment-analyzer-extension folder as an Unpacked Extension
4. Use the extension to analyze text sentiment

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📌 API Endpoint

Method	Endpoint	Description
POST	/api/sentiment	Returns sentiment label

Request Example:

{ "sentiment": "This is a great product!" }