Fixing Caps Lock mistakes
Turn a paragraph typed in all caps into plain lowercase, then use Sentence case if you want proper sentences back.
13 case formats in one text box. Paste, click, copy.
Turn plain words into tiny, raised, mirrored and symbol text you can paste anywhere.
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Paste your text and click lower case. Every capital letter becomes a small letter, instantly, with no sign-up and no limit. Nothing leaves your browser.
Last updated: October 30, 2026
Changing capital letters to lowercase takes three steps and works on any amount of text.
Type or paste your text into the box. It can be a single word, an all-caps heading or a long document. There is no character limit.
The result appears immediately in the output box, with every capital letter converted to lowercase. Numbers, punctuation and spaces are left as they are.
Press Copy result to send the lowercase text to your clipboard, or download it as a plain .txt file.
Lowercase letters are the small forms: a, b and c instead of A, B and C. Converting to lowercase turns every capital letter in your text into its small form, which helps when text arrives in all caps or in mixed case.
Lowercase is the opposite of uppercase. People who search for caps to lowercase or capital letters to lowercase usually mean text that was typed with Caps Lock on.
Lowercase is not the same as sentence case. Lowercase makes every letter small, including the first letter of each sentence, while sentence case capitalizes the start of each sentence again.
| You paste | You get |
|---|---|
| HELLO WORLD | hello world |
| Summer Sale 2026 | summer sale 2026 |
| CAFÉ AU LAIT | café au lait |
| NASA Launches Rocket | nasa launches rocket |
Lowercase is the safe default whenever capital letters would cause trouble.
Turn a paragraph typed in all caps into plain lowercase, then use Sentence case if you want proper sentences back.
Lowercase keeps web addresses and file names consistent. Add hyphens with the kebab-case option in the main case converter.
Tags and usernames are easier to match and compare when they are all lowercase.
Lowercase two lists before you compare them, so entries such as Paris and PARIS match.
A few things to check before you use lowercase text.
Lowercase changes every letter, so NASA or London become nasa and london. Use Sentence case or fix them by hand.
The Sentence case button lowercases the text and then capitalizes the start of each sentence, so you do not need two steps.
Lowercase does not add hyphens or underscores. For URL-ready text, use kebab-case or snake_case in the main case converter.
Short answers to what people ask most about converting text to lowercase.
Paste your text into the box and click lower case. Every capital letter, including text typed with Caps Lock on, is converted to lowercase at once.
Click Sentence case. It makes the whole text lowercase first and then capitalizes the start of each sentence and the word I, so one click does both.
They stay exactly as you typed them. Only letters change case, so numbers, symbols, punctuation and emoji pass through untouched.
Yes for scripts that have capital letters, such as accented Latin, Greek and Cyrillic: CAFÉ becomes café. Scripts without capitals, such as Chinese, Japanese or Arabic, stay unchanged. Language-specific rules, such as the Turkish dotted and dotless i, follow your browser default.
Click UPPER CASE in the converter, or use the uppercase converter. Your original text stays in the input box either way.
No. The conversion runs in your browser using JavaScript, so your text is not sent to a server or stored anywhere.
Need a different format? These tools work the same way: open, paste, copy.