How to use the case converter

1Paste your text into Text to convert.
2Choose a case under Convert to; each button is written in its own style, such as lowercase or Title Case.
3Edit the result directly if you need to, for example to restore a name's capitals.
4Press Copy or Download.

Example

Input

THIS TEXT WAS TYPED WITH CAPS LOCK ON. i noticed too late! the guide to SEO and the web

Output

This text was typed with caps lock on. I noticed too late! The guide to seo and the web

Sentence case. With Title Case the same text becomes “This Text Was Typed with Caps Lock On. I Noticed Too Late! The Guide to SEO and the Web”: the acronym SEO is kept because it stands alone among lowercase words.

Uppercase to lowercase

lowercase turns every capital into a small letter. It works for all alphabets with case, including accented letters (É → é), Greek and Cyrillic, using the same Unicode rules as your browser. Digits, punctuation and line breaks are untouched.

Lowercase to uppercase

UPPERCASE capitalizes every letter. A few letters change length: the German ß becomes SS, as the Unicode rules prescribe. All-caps text is harder to read in long passages and reads as shouting online, so keep it for short labels, headings and acronyms.

Title case vs sentence case

Sentence case capitalizes only the first letter of each sentence and the word “I”, like ordinary prose; everything else becomes lowercase, including names, which you may need to fix by hand in the result. Many style guides, and most interface text, use sentence case for headings.

Title Case capitalizes the main words and keeps short words in lowercase unless they come first or last, or start or end a sentence or a part after a colon: a, an, and, as, at, but, by, for, from, in, into, nor, of, on, onto, or, over, per, so, the, to, up, via, vs, with, yet. This follows the common practice of AP and Chicago style; the guides differ on a few words, such as “with” and “from”.

Capitalize Each Word capitalizes every word, small ones included.

Fixing text typed with caps lock on

Choose Sentence case: capitals are lowered and sentence starts are restored. In Title Case, a run of three or more all-caps words is treated as shouting and converted, while a short all-caps word among lowercase words (NASA, SEO, FBI) is kept as an acronym. InVeRsE swaps capitals and small letters, which fixes text typed with caps lock on and Shift held for the capitals (“hELLO” → “Hello”).

Changing case in Word, Excel and code

Microsoft Word: select text and press Shift+F3 to cycle through lowercase, UPPERCASE and capitalized words.
Excel and Google Sheets: =LOWER(A1), =UPPER(A1) and =PROPER(A1) (PROPER capitalizes every word).
Code: camelCase, PascalCase, snake_case, kebab-case and CONSTANT_CASE split text into words at spaces, punctuation and existing capitals, so userAccountID becomes user_account_id in snake_case.

For small capital letters that work outside a word processor, use the small caps generator.

Is my text private?

This tool runs entirely in your browser. Your text is not uploaded to our servers.

Questions about the case converter

How do I change all-caps text to lowercase?

Paste the text and choose lowercase, or Sentence case if you want capitals back at the start of sentences.

What is the difference between title case and sentence case?

Title case capitalizes the main words (“A Guide to Better Sleep”); sentence case capitalizes only the first word and proper nouns (“A guide to better sleep”).

Are accented letters converted correctly?

Yes. Conversion follows Unicode case rules, so é ↔ É, ñ ↔ Ñ and Greek and Cyrillic letters all change case correctly.

Which small words stay lowercase in title case?

Articles, short conjunctions and short prepositions such as a, an, the, and, but, or, of, in, on, to and with, unless they are the first or last word.

Case Converter