---
metadata:
  - name: generator
    content: Diplodoc Platform v5.50.3
alternate:
  - https://catboost.ai/docs/en/references/tokenizer_options.md
---
> **Documentation Index:** Fetch the complete configuration index at https://catboost.ai/docs/en/llms.txt

# Tokenizer options

The following is a list of options for the `--tokenizers` parameter (these options are set in `option_name`):

### lowercasing

**Description**

Convert tokens to lower case.

**Data types** bool

**Default value** Tokens are not converted to lower case