```python title="Python"
import asyncio
from kreuzberg import ExtractionConfig, ChunkingConfig, extract_file


async def main() -> None:
    config: ExtractionConfig = ExtractionConfig(
        chunking=ChunkingConfig(
            max_characters=1000,
            overlap=200,
        )
    )
    result = await extract_file("document.pdf", config=config)
    for chunk in result.chunks or []:
        print(f"Length: {len(chunk.content)}")


asyncio.run(main())
```

```python title="Python - Semantic"
import asyncio
from kreuzberg import ExtractionConfig, ChunkingConfig, extract_file


async def main() -> None:
    config: ExtractionConfig = ExtractionConfig(
        chunking=ChunkingConfig(chunker_type="semantic")
    )
    result = await extract_file("document.pdf", config=config)
    for chunk in result.chunks or []:
        print(f"Content: {chunk.content[:100]}...")


asyncio.run(main())
```

```python title="Python - Prepend Heading Context"
import asyncio
from kreuzberg import ExtractionConfig, ChunkingConfig, extract_file


async def main() -> None:
    config: ExtractionConfig = ExtractionConfig(
        chunking=ChunkingConfig(
            chunker_type="markdown",
            max_characters=500,
            overlap=50,
            prepend_heading_context=True,
        )
    )
    result = await extract_file("document.md", config=config)
    for chunk in result.chunks or []:
        # Each chunk's content is prefixed with its heading breadcrumb
        print(f"Content: {chunk.content[:100]}...")


asyncio.run(main())
```