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Text Case Converter

Free online case converter for uppercase, lowercase, title case, and sentence case text formatting.

Quickly reformat headings, notes, spreadsheet text, or social copy without retyping it. Paste your text, select a case style, and convert.

Title-case conventions differ by style guide. This tool capitalizes the main words and keeps a short list of common articles and prepositions lowercase when they are not the first word.

Frequently asked questions

What is sentence case?

Sentence case capitalizes the first letter at the beginning of a sentence while converting the remaining text to lowercase.

Does title case follow every style guide?

No. AP, Chicago, MLA, and other guides differ. Review proper nouns and style-specific exceptions after conversion.

Will formatting such as bold text be preserved?

No. The converter works with plain text only.