Invoicezz

Professional invoice generator and inventory management system.

Setup

Install dependencies:

npm install

Create a .env.local file:

NEXT_PUBLIC_SUPABASE_URL=your-supabase-url
NEXT_PUBLIC_SUPABASE_ANON_KEY=your-supabase-anon-key

Get your credentials from supabase.com.

Run the dev server:

npm run dev

Features

• Invoice generation with professional templates
• Inventory management with real-time stock tracking
• Invoice history with date filtering
• Print-ready invoice layouts
• Sample data generation for testing
• Responsive design with clean UI

Tech Stack

• Next.js 15 (App Router, React 19)
• Supabase (Database & Real-time)
• Tailwind CSS v4
• Redux Toolkit (State Management)
• Headless UI (Modal Components)
• num-words (Number to words conversion)

Database Schema

Tables

• inventory - Product items with stock levels
• history - Generated invoice records

Key Features

• Automatic stock deduction on invoice generation
• Invoice numbering system
• Customer and shipping information storage (including tax ID)