Free Case Converter
A case converter changes the capitalization of text. This free converter switches any text to sentence case, lower case, UPPER CASE, Title Case, Capitalized Words, alternating or inverse case, and the developer styles snake_case, kebab-case and camelCase. It helps writers fixing headings pasted in capitals, marketers formatting titles, and developers turning labels into variable names or URL slugs.
Case Converter
Text and Content
About this tool
Title Case here follows common headline rules: short words such as a, and, of, the and to stay lower case unless they open or close the title, and each part of a hyphenated word is capitalized. Words that already mix capitals, such as iPhone or SEO, are left alone, except on a line typed entirely in capitals, which is rebuilt from lower case first.
Sentence case lowers everything, then capitalizes the first letter of each sentence and the word I. It cannot know which words are names or acronyms, so read the result once and restore any brand names. snake_case, kebab-case and camelCase drop punctuation, split words that are already joined in camelCase, and work line by line, so you can convert a whole list of labels at once. kebab-case is also a quick way to draft a URL slug.
The mistake we see most on client sites is headings typed in capitals. They look loud, they are harder to read, and some screen readers may read short words in capitals as abbreviations. When SEO SMO HUB cleans up a site's headings and title tags, we convert them to one consistent case so every page looks like it came from the same brand.
Frequently asked questions
What is the difference between Title Case and Capitalized Words?
Capitalized Words puts a capital letter at the start of every word, including short ones like "and" or "of". Title Case follows headline style rules and keeps those short words in lower case unless they start or end the title. Use Title Case for headings and titles, and Capitalized Words for names, labels or button text.
How do I convert all caps text to normal case?
Paste the text, choose sentence case and convert. Everything is lowered first, then the first letter of each sentence and the word I are capitalized. Names, places and acronyms such as NASA will come out in lower case, because the tool cannot tell them from ordinary words, so skim the result and restore them before you use it.
Does changing the case of my title affect SEO?
Search engines treat upper and lower case letters the same when matching words, so case does not change rankings directly. It does change how your result looks. A clean, consistent title reads as more trustworthy than one in capitals, which can lift the share of searchers who click it. That click is the part case actually influences.
What are snake_case, kebab-case and camelCase used for?
They are naming styles from programming. snake_case joins words with underscores and is common in Python and databases, kebab-case joins them with hyphens and is the standard for URL slugs and CSS classes, and camelCase capitalizes each word after the first and is common in JavaScript. Pick the one your project already uses.