🔠 Case Converter

Free online case converter

Change the capitalization of any text in one click. Paste your words into the box and choose UPPERCASE, lowercase, Title Case or Sentence case. It is quicker than retyping, and it fixes text that was typed with Caps Lock on by accident. The conversion happens in your browser, so your text stays private.

The four conversion options

• UPPERCASE: makes every letter a capital. Good for headings, labels and emphasis.
• lowercase: makes every letter small. Useful for cleaning up text, email addresses and tags.
• Title Case: capitalizes the first letter of each word. Common for headlines, book titles and menu items.
• Sentence case: capitalizes the first letter of each sentence and lowercases the rest. Best for normal paragraphs.

Things to know before you copy the result

• Title Case here capitalizes every word. Style guides such as APA and AP keep short words like "of", "the" and "in" lowercase, so adjust those by hand if you follow one.
• Sentence case lowercases everything except the start of each sentence, so names, acronyms and the word "I" may need to be capitalized again.
• Numbers, spaces and punctuation are left unchanged.
• Keep a copy of your original text before converting, in case you want to go back.

When to use each style

Use Title Case for page titles and headlines, Sentence case for body text and subheadings, lowercase for file names and URLs, and UPPERCASE sparingly. Long passages in capital letters are harder to read, so save them for short labels.

Frequently asked questions

Can I convert text back after changing it?

Converting to lowercase or uppercase removes the original capitalization, so the tool cannot restore it. Keep the original text if you may need it.

Does it work with other languages?

It works with most languages that use upper and lower case letters, including accented letters. Languages without capital letters are left as they are.

Is there a limit on text length?

No fixed limit, but very large documents can slow down your browser.

Is my text stored?

No. Nothing is uploaded, and the text disappears when you close or refresh the page.