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Description, tech stack, and what is included
OCR Web Application is a full-stack MERN-based OCR project designed to capture screenshots of any website, allow users to crop a specific area, and extract text from the selected region using Optical Character Recognition. The project is useful for developers, students, and content teams who need to quickly extract text from webpage screenshots and visual content.
The application includes URL screenshot capture, an interactive crop tool, multi-pass OCR using Tesseract.js, English and Hindi language support, OCR confidence score, copy-to-clipboard option, PDF export, optional MongoDB persistence, workflow progress UI, responsive design, and Firebase Hosting support.
This project is suitable for B.Tech, M.Tech, BCA, MCA, BE, ME, BSc, and MSc students who need a practical final year project, major project, or minor project based on OCR, image processing, text extraction, screenshot capture, Tesseract.js, MERN stack development, MongoDB persistence, PDF export, and web automation utilities. FileMakr can provide this project with source code, project report, documentation, and setup support for academic submission.
Modules and controls available to administrators
In this Project Only User Features Exists
What end users can do in this application
The Result module supports language selection, text extraction, cropped preview, PDF download, copy button, confidence score, word/character count, progress ring, and backend save integration.
Additional capabilities included in the project
The technology stack includes React, Material-UI, Tesseract.js, React Image Crop, jsPDF, Node.js, Express.js, MongoDB, Mongoose, CORS, APIFlash, Firebase Hosting, Create React App, and npm.
| Layer | Technology |
|---|---|
| Frontend | React 17 |
| UI Components | Material-UI v4 |
| OCR Engine | Tesseract.js v5 |
| Image Crop | React Image Crop v8 |
| PDF Export | jsPDF |
| Styling | CSS3 Custom Design System |
| Font | Inter Google Font |
| Backend | Node.js, Express.js |
| Database | MongoDB |
| ODM | Mongoose |
| Middleware | CORS |
| Screenshot API | APIFlash |
| Hosting | Firebase Hosting |
| Build Tool | Create React App |
Step-by-step setup on your laptop or PC
cd OCR-Web-App-master
npm install
cd backend
npm install
cd ..
For Windows:
net start MongoDB
For macOS:
brew services start mongodb-community
For Linux:
sudo systemctl start mongod
For MongoDB Atlas, update the MongoDB connection string in backend/server.js.
Open:
src/App/App.js
Replace the API key:
const API_KEY = 'YOUR_APIFLASH_ACCESS_KEY';
The APIFlash key is required for website screenshot capture.
Open Terminal 1:
cd backend
node server.js
Expected output:
✅ MongoDB Connected
🚀 Server running on http://localhost:5000
Open Terminal 2:
npm start
Frontend opens at:
http://localhost:3000
The project requires two terminals: one for the backend and one for the React frontend.
Default demo accounts for testing after setup
This application does not include a user login or authentication system. There are no username/password credentials for sign-in
Usage terms for academic and personal projects
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