How does this sentence case converter change the text?

Text becomes lowercase, then the opening letter and letters after sentence punctuation are capitalized. For example, HELLO WORLD. NEXT SENTENCE. becomes Hello world. Next sentence..

How does this compare with other case styles?

Sentence case keeps most words lowercase. Title Case capitalizes words in a heading and follows separate small-word rules.

Does it understand names, acronyms or programming syntax?

No. This is a mechanical text conversion. Check proper names, the pronoun I, abbreviations and quoted text after converting. It does not infer sentence meaning.

No. Conversion and copying happen in this browser. Nothing is sent to a conversion server.

Sentence Case Converter

Text becomes lowercase, then the opening letter and letters after sentence punctuation are capitalized. This page opens with HELLO WORLD. NEXT SENTENCE. and its Hello world. Next sentence. result first. Replace the example with your own text, then copy the highlighted conversion. The other case styles stay available for comparison.

Your text27 characters

Sentence casethis page’s caseFirst word capitalised
Hello world. Next sentence.
Title CaseEditorial rules: small words stay lower
Hello World. Next Sentence.
UPPER CASE
HELLO WORLD. NEXT SENTENCE.
lower case
hello world. next sentence.
camelCaseVariables in JS, Java
helloWorldNextSentence
PascalCaseClasses, components
HelloWorldNextSentence
snake_casePython, SQL columns
hello_world_next_sentence
CONSTANT_CASEEnvironment variables
HELLO_WORLD_NEXT_SENTENCE
kebab-caseURLs, CSS classes, filenames
hello-world-next-sentence
dot.caseConfig keys, namespaces
hello.world.next.sentence
aLtErNaTiNg
hElLo wOrLd. NeXt sEnTeNcE.
iNVERSESwaps each letter's case
hello world. next sentence.

Common questions

How does this sentence case converter change the text?: Text becomes lowercase, then the opening letter and letters after sentence punctuation are capitalized. For example, HELLO WORLD. NEXT SENTENCE. becomes Hello world. Next sentence..
How does this compare with other case styles?: Sentence case keeps most words lowercase. Title Case capitalizes words in a heading and follows separate small-word rules.
Does it understand names, acronyms or programming syntax?: No. This is a mechanical text conversion. Check proper names, the pronoun I, abbreviations and quoted text after converting. It does not infer sentence meaning.
Is my text uploaded?: No. Conversion and copying happen in this browser. Nothing is sent to a conversion server.

Exact, and Unicode-aware: casing follows the Unicode rules rather than ASCII, so accented letters, Greek final sigma and the Turkish dotless i convert correctly. Title case applies English conventions for small words, which is a style choice rather than a standard.