# Better Charts

> Create data visualizations and diagrams using plain English

Turn your CSV data into charts or create flowcharts and diagrams through conversational AI. No complex software or training required.

## What You Can Do

**With CSV Data:**
- Upload a spreadsheet and describe what chart you want
- "Show monthly sales as a bar chart with blue bars"
- "Create a line chart tracking revenue over time"
- Get interactive charts powered by ECharts library

**Without CSV Data:**
- Describe any process, workflow, or concept 
- "Show the user registration process as a flowchart"
- "Create a sequence diagram for API authentication"
- Get professional diagrams using Mermaid

## Two Main Modes

**📊 Data Charts (CSV Required)**
- Bar charts for comparing categories and values
- Line charts for trends and time-series data
- Interactive charts with hover details and zoom
- AI chooses appropriate colors and styling

**📋 Diagrams (No Upload Needed)**
- Flowcharts for processes and workflows
- Sequence diagrams for system interactions  
- Class diagrams for software architecture
- State diagrams for state machines
- ER diagrams for database relationships

## How It Works

1. **Start a Conversation:** Visit better-charts.com
2. **Choose Your Path:** Upload CSV for data charts OR describe a diagram
3. **Use Plain English:** "Make a bar chart of sales by region" or "Show login workflow"
4. **Get Results:** Interactive visualizations appear instantly

## Key Features

- **Conversational Interface:** Chat with AI to refine your visualizations
- **10 Messages Per Chat:** Start new conversations when limit reached
- **Real-time Generation:** Charts and diagrams appear as you chat
- **Theme Support:** Light and dark modes available
- **Conversation History:** Access previous chats from sidebar
- **Feedback System:** Rate results to improve future responses

## File Support

**CSV Only:** 
- Excel exports, Google Sheets downloads, survey data
- Drag and drop or click to upload
- Automatic data parsing and analysis
- Works with dates, numbers, categories, and text

**No Other Formats:** PDF, images, or other file types not supported

## Examples

**Data Chart Examples:**
- "Show quarterly revenue as blue bars"
- "Create line chart of website traffic over 6 months"
- "Compare product sales with different colored bars"

**Diagram Examples:**  
- "Show customer onboarding process flowchart"
- "Create sequence diagram for payment processing"
- "Design ER diagram for blog database"

## Getting Started

1. Go to www.better-charts.com
2. For data charts: Click "Attach CSV" and upload your file
3. For diagrams: Just start describing what you want
4. Type your request in plain English
5. Refine through conversation if needed