Every conversion mode

Every case we convert.

Sixteen separate case conversions, each with its own dedicated converter and explainer page. Pick the one you need and convert with a single click.

Title Case

Convert any text to title case using the right rules for your style guide — AP, Chicago, APA, MLA, NY Times, Wikipedia, …

"the quick brown fox jumps over the lazy dog" The Quick Brown Fox Jumps Over the Lazy Dog

Sentence case

Capitalize only the first letter of each sentence — and proper nouns. The lowercase-friendly style of modern body text a…

"hello world. how are you?" Hello world. How are you?

UPPERCASE

CONVERT ANY TEXT TO ALL CAPITAL LETTERS. Useful for headers, acronyms, and emphasis.

"hello world" HELLO WORLD

lowercase

convert any text to all lowercase. useful for cleaning shouty text, urls, filenames, and consistent formatting.

"HELLO WORLD" hello world

Capitalized Case

Capitalize The First Letter Of Every Word. Like Title Case, But Without The Lowercase Exceptions For Articles And Short …

"the quick brown fox" The Quick Brown Fox

camelCase

Convert any text to camelCase — the standard variable-naming convention in JavaScript, Java, Swift, and most modern lang…

"user name" userName

PascalCase

Convert any text to PascalCase — also known as UpperCamelCase. The class-name convention in most object-oriented languag…

"user profile" UserProfile

snake_case

Convert any text to snake_case — lowercase with underscores between words. The Python, Ruby, and Rust convention.

"user name" user_name

kebab-case

Convert any text to kebab-case — lowercase with hyphens between words. The CSS, HTML, and URL convention.

"user profile" user-profile

CONSTANT_CASE

CONVERT TEXT TO CONSTANT_CASE — UPPERCASE with underscores. Also called SCREAMING_SNAKE_CASE. The constants convention i…

"max retry count" MAX_RETRY_COUNT

dot.case

Convert any text to dot.case — lowercase with periods between words. The convention for translation keys and configurati…

"user profile name" user.profile.name

path/case

Convert any text to path/case — lowercase with forward slashes between words. For file paths and URL routes.

"users profile settings" users/profile/settings

URL slug

Convert any title to a clean, SEO-friendly URL slug — lowercase, hyphenated, with diacritics stripped and special charac…

"10 Best Tips for Writing!" 10-best-tips-for-writing

aLtErNaTiNg CaSe

CoNvErT tExT tO aLtErNaTiNg CaSe — alternating between lowercase and uppercase letters. The mocking SpongeBob meme case.

"this is a serious statement" tHiS iS a SeRiOuS sTaTeMeNt

InVeRsE CaSe

sWAP THE CASE OF EVERY LETTER — uppercase becomes lowercase and vice versa. Useful for fixing accidentally caps-locked t…

"Hello World" hELLO wORLD

RaNdOm CaSe

rAnDoMlY assign uppercase or lowercase TO EACH letter. Each conversion is different — refresh for a new mix.

"hello world" heLlO WORlD