Invoice Generator

A Streamlit web application that allows users to easily create professional PDF invoices for clients.

Demo

Invoice.mp4

Features

• Create customized invoices with your company information
• Add client details and multiple service items
• Customize tax rates and discounts
• Add custom notes to invoices
• Upload your company logo or use the default
• Preview and download generated invoices as PDF

Installation

1. Clone this repository:

git clone <repository-url>
cd invoice-generator

2. Create and activate a virtual environment (recommended):

# Create virtual environment
python3 -m venv venv

# Activate virtual environment
# On Linux/macOS:
source venv/bin/activate
# On Windows:
# venv\Scripts\activate

3. Install the required dependencies:

pip install -r requirements.txt

4. Make sure you have an asset folder with a logo.png file for the default logo, or you can upload your own logo when using the app.

Usage

Run the Streamlit app:

streamlit run invoice.py

The application will open in your default web browser. Follow these steps to create an invoice:

1. Company Info tab: Enter your company details and upload a logo if needed
2. Client Info tab: Add client information and invoice number
3. Invoice Items tab: Add service items with descriptions, hours, and rates
4. Notes & Options tab: Customize invoice notes, tax rate, and discount
5. Preview tab: Generate the invoice, preview it, and download as PDF

Requirements

• Python 3.7+
• Streamlit
• FPDF
• Pillow
• Requests

MIT License

This project is open source and available for personal and commercial use.