Filters¶ Jinja2 filters are like function calls, and specifically designed to transform data. In addition to Jinja2’s built-in filters, Betty provides the following: base64 camel_case_to_kebab_case camel_case_to_snake_case entity_type_name file flatten format_datey format_degrees image json locale_get_data localize map minimize negotiate_dateds negotiate_localizeds none_void paragraphs select_dateds select_localizeds static_url sort_localizeds unique upper_camel_case_to_lower_camel_case url void_none walk