Case Converter

The Case Converter changes the capitalisation and word separators of any text you paste. Use it to fix a headline typed in caps lock, format a title for a blog post, turn a phrase into a URL slug, or create a variable name such as camelCase or snake_case.

It is built for bloggers, SEO consultants and small site owners who format titles, meta tags, headings and URLs all day. It also covers the code-style cases developers need, so you do not need a second tool.

1. Paste your text: Type or paste into the text box. Each line is converted on its own, so a list of ten headlines gives ten results.
2. Pick the main output: Choose a case such as Title Case, Sentence case or URL slug from the Main output menu.
3. Check the All Cases table: Every other case appears below with a preview, so you can compare results without changing the menu.
4. Copy the result: Press Copy on the case you want, or Copy All. You can also download the output or share a link to your input.

This input is a headline typed in lowercase with one acronym.

Results shown are from the live tool. Title Case keeps SEO in capitals and leaves short words such as to, in and for in lowercase.

• Format blog titles and headings the same way across every page, without retyping.
• Fix text typed in caps lock or copied from a PDF in one step.
• Turn a headline into a clean URL slug in lowercase with hyphens and no accents.
• Create variable, file and CSS class names (camelCase, snake_case, kebab-case) from plain phrases.
• Clean a whole keyword list at once, because each line is converted separately.

I opened two other free case converters and compared what each page offers. upGrowth shows three buttons (UPPERCASE, lowercase, Capitalize) although its copy mentions title and sentence case. The table below uses convertcase.net, the more complete of the two.

Where they are ahead: convertcase.net has browser extensions, iPhone and Android apps and many other text effects such as reverse text, small caps and Zalgo. This tool has none of those. It covers writing and code cases only.

Compared on 22 October 2026 by opening each tool and reading its page. Features can change.

• Title Case follows one simple rule: small words (a, an, the, of, in, for and similar) stay lowercase unless first or last, and the word after a colon is capitalised. It does not follow AP, Chicago or MLA exactly. Check your style guide for edge cases.
• Sentence case lowercases everything except words already in capitals, so SEO stays SEO. If your whole text is in capitals, it is lowercased first.
• The tool cannot recognise names or places, so sentence case will not capitalise them.
• Capitalize Each Word lowercases the rest of each word, so SEO becomes Seo in that mode.

Your text is converted in your browser and is not sent to this site or any other server. The Save button keeps snapshots in your own browser storage. The share link puts your text in the part of the URL after the # sign, which browsers do not send to servers, but anyone you give the link to can read it.