> For the complete documentation index, see [llms.txt](https://help.protecto.ai/getting-started/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.protecto.ai/getting-started/protecto-overview/introduction/protecto-vault/tokenization-apis/masking.md).

# Masking

Protecto's data tokenization offers three distinct masking methods:

1. **`Mask with token`**
2. **`Mask with format and token`**
3. **`Identify and mask (Auto-detect)`**