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-# data-format-converter
+# Data Format Converter CLI Tool
 
-A CLI tool that converts between JSON, YAML, TOML, and CSV formats with validation, syntax highlighting, and interactive TUI mode.
\ No newline at end of file
+A CLI tool that converts between JSON, YAML, TOML, and CSV formats with validation, syntax highlighting, and an interactive TUI mode.
+
+## Features
+
+- Multi-format conversion (JSON, YAML, TOML, CSV)
+- Syntax validation with detailed error reporting
+- Syntax highlighting using Rich library
+- Interactive TUI mode for data viewing and editing
+- File watching for live conversions
+- Stdin/stdout support for piping
+
+## Installation
+
+```bash
+pip install data-format-converter
+```
+
+Or from source:
+
+```bash
+git clone https://7000pct.gitea.bloupla.net/7000pctAUTO/data-format-converter.git
+cd data-format-converter
+pip install -e .
+```
+
+## Quick Start
+
+Convert a JSON file to YAML:
+```bash
+dfc convert input.json -to yaml -o output.yaml
+```
+
+Convert CSV to JSON:
+```bash
+dfc convert data.csv -to json -o data.json
+```
+
+Validate a file:
+```bash
+dfc validate config.yaml
+```
+
+Interactive mode:
+```bash
+dfc tui config.json
+```
+
+Watch file for changes:
+```bash
+dfc watch input.yaml -to json -o output/
+```
+
+## Usage
+
+```
+Usage: dfc [OPTIONS] COMMAND [ARGS]...
+```
+
+### Commands
+
+- **convert**: Convert between data formats
+- **validate**: Validate syntax of data files
+- **tui**: Launch interactive TUI mode
+- **watch**: Watch files for changes and auto-convert
+- **info**: Show information about supported formats
+
+### Options
+
+- `--help`: Show help message
+- `--theme`: Set syntax highlighting theme (default, monokai, github-dark, github-light, dracula, nord, one-dark)
+
+## Examples
+
+### Basic Conversion
+
+```bash
+# JSON to YAML
+dfc convert config.json -to yaml -o config.yaml
+
+# YAML to TOML
+dfc convert settings.yaml -to toml -o settings.toml
+
+# CSV to JSON
+dfc convert data.csv -to json -o data.json
+
+# JSON to CSV
+dfc convert data.json -to csv -o data.csv
+```
+
+### Piping
+
+```bash
+# Read from stdin, write to stdout
+cat config.json | dfc convert -f json -to yaml
+
+# Use - for stdin/stdout
+dfc convert input.yaml -to json - < input.yaml
+```
+
+### Validation
+
+```bash
+# Validate a single file
+dfc validate config.json
+
+# Validate with detailed output
+dfc validate --verbose config.yaml
+
+# Validate from stdin
+dfc validate --stdin --format json < config.json
+```
+
+### Interactive Mode
+
+```bash
+# Open file in interactive viewer
+dfc tui config.json
+
+# Open with custom theme
+dfc tui config.json --theme monokai
+```
+
+### File Watching
+
+```bash
+# Watch a single file
+dfc watch input.json -to yaml -o output/
+
+# Watch multiple files (glob pattern)
+dfc watch "*.json" -to yaml -o output/
+```
+
+## File Formats
+
+| Format | Extension   | Read | Write |
+|--------|-------------|------|-------|
+| JSON   | .json       | ✓    | ✓     |
+| YAML   | .yaml, .yml | ✓    | ✓     |
+| TOML   | .toml       | ✓    | ✓     |
+| CSV    | .csv        | ✓    | ✓     |
+
+## Interactive Mode Controls
+
+- **Arrow keys**: Navigate
+- **edit <path> <value>**: Edit a value
+- **add <path> <value>**: Add a new key
+- **delete <path>**: Delete a key
+- **show**: Show current data
+- **save**: Save changes
+- **quit**: Exit without saving
+- **help**: Show help
+
+## Configuration
+
+Create a `config.toml` file in your home directory or specify with `--config`:
+
+```toml
+[default]
+output_dir = "./output"
+theme = "github-dark"
+
+[convert]
+indent = 2
+
+[validate]
+strict = false
+```
+
+## Development
+
+```bash
+# Install in development mode
+pip install -e ".[dev]"
+
+# Run tests
+pytest tests/ -v
+
+# Run linter
+ruff check .
+```
+
+## Contributing
+
+1. Fork the repository
+2. Create a feature branch
+3. Make your changes
+4. Run tests: `pytest tests/ -v`
+5. Submit a pull request
+
+## License
+
+MIT License