About Case Converter
Case Converter is a fast, in-browser tool for reformatting text between the seven case styles you actually use day-to-day: sentence case, lowercase, UPPERCASE, Capitalized Case, aLtErNaTiNg, Title Case, and InVeRsE case. Paste any block of text — a draft email, a heading you typed with Caps Lock on, a copy-pasted paragraph in all caps — and reshape it with one click.
Because every conversion runs entirely in your browser using JavaScript, nothing is uploaded, nothing is queued, and nothing is counted against a daily limit. The text you paste here never leaves your device, so it's safe for snippets you wouldn't want to send to a server — confidential notes, draft contracts, half-finished writing.
Sc Sentence case
The sentence case converter capitalizes the first letter of each sentence and turns the rest into lowercase. It also converts standalone i into I. Every letter after a full stop becomes upper case. It won't, however, capitalize names or places.
This is an example of sentence case.
lc Lower case
The lower case converter transforms every letter in your text into lowercase. Paste any mix of upper and lower letters in and it will all come out lowercase — useful when you've accidentally typed with Caps Lock on or want to normalize text for matching.
this is an example of lower case.
UC Upper case
The upper case converter (also known as an uppercase generator) turns every letter into a capital. It promotes lowercase letters to CAPITALS and leaves already-uppercase letters alone — handy for headings, acronyms, and emphasis.
THIS IS AN EXAMPLE OF UPPER CASE.
CC Capitalized Case
The capitalized case converter automatically uppercases the starting letter of every word and leaves the rest lowercase. Sometimes called "start case" — great for product names, headers, and proper-noun-heavy lists.
This Is An Example Of Capitalized Case.
aC Alternating case
The alternating case converter flips between lower and upper case letter-by-letter, regardless of the original input. It generates a capital, then a lowercase, then a capital again — the classic mocking-text format made famous by internet memes.
tHiS Is aN ExAmPlE Of aLtErNaTiNg cAsE.
TC Title Case
The title case converter is perfect when you're not sure how to capitalize the title of an essay, article, or book. It capitalizes the important words and keeps small words like "a", "an", "and", "of", "to", "the" lowercase — unless they're the first word.
This Is an Example of Title Case.
iC Inverse Case
The inverse case converter swaps every letter to its opposite — lowercase letters become uppercase and uppercase letters become lowercase. Useful for novelty effects, password reset variations, or just to see your text "flipped."
tHIS iS AN eXAMPLE OF iNVERSE cASE.
Privacy
All conversions happen entirely inside your browser using JavaScript. Your text never leaves your device and is not sent to our servers.