Sentence Case Converter
Paste text to convert it to sentence case while preserving paragraphs and common sentence boundaries.
Result
Related tools
All Word Games ->How Sentence Case Converter works
Sentence case uses an uppercase first letter at the start of each sentence while leaving the rest of the sentence in normal lowercase. It is the style most readers expect in paragraphs, emails, notes, descriptions, help text, and plain-language content.
Use this sentence case converter when text arrives in all caps, inconsistent capitalization, or lowercase blocks copied from another source. The tool is designed for quick cleanup before publishing, editing, or pasting text into a CMS.
The converter looks for common sentence boundaries such as full stops, question marks, exclamation marks, and paragraph breaks. It then capitalizes the next letter so the output reads more naturally without forcing you to retype the text manually.
Sentence case is useful for product descriptions, support replies, article drafts, social posts, internal documentation, and any workflow where clear readable copy matters more than headline-style capitalization.
FAQ
What is sentence case?
Sentence case capitalizes the first letter of each sentence and leaves most other words lowercase, similar to ordinary paragraph writing.
When should I use sentence case?
Use sentence case for paragraphs, product copy, emails, notes, documentation, and UI text where readable natural capitalization is preferred.
Will it preserve acronyms?
This converter focuses on quick general cleanup. Review acronyms, brand names, and proper nouns after conversion if they need special capitalization.