Biến đổi văn bản

Convert text to UPPERCASE. Transform lowercase to caps. For headings and emphasis.

Convert text to lowercase. Transform caps to small letters. For consistency.

Convert text to Title Case. Capitalize first letter of each word. For headings and titles.

Convert text to sentence case. Capitalize after periods. For proper sentences.

Convert text to camelCase. For programming variable names. JavaScript and Java style.

Convert text to snake_case. For Python and database column names. Underscore separator.