Developer tool
Sentence Case Converter
Clean up text by converting it to sentence case with sentence starts capitalized.
sentence case convertercase convertertext toolwriting
How To Use Sentence Case Converter
Quick notes to help you understand the result before you act on it.
Overview
Use this sentence case converter to make copied text easier to read.
It is useful for drafts, notes, captions, and simple content cleanup.
Sentence Case Conversion
- The converter lowercases text, then capitalizes the start of each sentence.
- It detects sentence starts after common punctuation like periods, exclamation marks, and question marks.
Practical Tips
- Review names, acronyms, and abbreviations after conversion.
- For headings, use title case when that better matches your style guide.
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FAQ
Common questions about this tool.
Will acronyms stay uppercase?
No. Review acronyms manually after conversion.
Can I convert all caps text?
Yes. Paste all caps text and the converter will make it sentence case.