tokenizers/pr_2139/en/api/visualizer.md

# Visualizer

## Annotation[[tokenizers.tools.Annotation]]

## EncodingVisualizer[[tokenizers.tools.EncodingVisualizer]]

- **tokenizer** ([Tokenizer](/docs/tokenizers/pr_2139/en/api/tokenizer#tokenizers.Tokenizer)) --
  A tokenizer instance

- **default_to_notebook** (`bool`) --
  Whether to render html output in a notebook by default

- **annotation_converter** (`Callable`, *optional*) --
  An optional (lambda) function that takes an annotation in any format and returns
  an Annotation object

Build an EncodingVisualizer

- **text** (`str`) --
  The text to tokenize

- **annotations** (`List[Annotation]`, *optional*) --
  An optional list of annotations of the text. The can either be an annotation class
  or anything else if you instantiated the visualizer with a converter function

- **default_to_notebook** (`bool`, *optional*, defaults to *False*) --
  If True, will render the html in a notebook. Otherwise returns an html string.The HTML string if default_to_notebook is False, otherwise (default) returns None and
renders the HTML in the notebook

Build a visualization of the given text

The Rust API Reference is available directly on the [Docs.rs](https://docs.rs/tokenizers/latest/tokenizers/) website.

The node API has not been documented yet.