CSV → Clean Excel Converter (Frontend Only)

CSV Cleaner is a fully frontend web application that allows you to upload a CSV file, filter specific columns, and download a cleaned, formatted Excel file — all directly in the browser. No backend, no server, no setup required.

Features

• Frontend-only: Runs completely in the browser, offline-friendly
• Drag & Drop CSV Upload or click to select
• Excel Styling:
  • Headers bold & center-aligned
  • Data rows center-aligned
  • Auto column width
• Modern TailwindCSS UI
• Mobile-friendly
• Works instantly without any backend

Columns Filtered

The app keeps only these columns from your CSV:

• Name
• Email
• External Id
• Course
• Estimated Learning Hours
• Completed
• Course Grade

How to Use

1. Open index.html in a modern browser (Chrome, Edge, Firefox).
2. Drag & drop your CSV file into the upload box, or click to select it.
3. Click 🧹 Clean & Convert.
4. Download your cleaned Excel file instantly.

Folder Structure

csv-cleaner/
│
├── index.html # Main frontend file
├── xlsx.full.min.js # SheetJS library for Excel generation
├── papaparse.min.js # PapaParse library for CSV parsing
└── README.md # Project documentation

Tech Stack

• HTML5 + CSS3
• TailwindCSS (for modern UI)
• JavaScript
• SheetJS (XLSX)
• PapaParse

Deployment (Optional)

You can host this on GitHub Pages or any static hosting platform:

1. Push your project to a GitHub repository.
2. Go to Settings → Pages → Source.
3. Select main branch → /root.
4. Your app will be live at:

License

MIT License — Free to use and modify.