Free · No sign-up · Runs in your browser
Uppercase to Lowercase Converter
Left caps lock on for a whole paragraph? Paste it below and click lower case. Every capital letter becomes lowercase in a single click — no retyping, no reformatting, and nothing is uploaded anywhere.
Example
Input
the quick brown fox jumps over the lazy dogOutput
the quick brown fox jumps over the lazy dogHow to convert uppercase to lowercase
- Paste or type your uppercase text into the box above.
- Click the lower case button.
- Click the copy icon to put the result on your clipboard, or download it as a .txt file.
When you need lowercase text
- Fixing caps lock accidents. The single most common reason people reach for this tool — a whole email or comment typed in capitals that reads as shouting.
- Normalising data before comparison. Email addresses, usernames, tags, and CSV columns are usually lowercased so that duplicates match correctly.
- URLs and file names. Many servers are case-sensitive, and lowercase paths avoid an entire class of broken-link bugs.
- Toning down copy. All-caps headlines can read as aggressive; lowercase is the calmer, more modern styling choice for a lot of brands.
Does it handle accents and other languages?
Yes. The converter uses your browser’s built-in Unicode case mapping, so accented Latin characters (À → à, Ç → ç, Ñ → ñ), Greek, and Cyrillic all lowercase correctly. Scripts without letter case — Arabic, Hebrew, Chinese, Japanese, Korean — pass through unchanged, exactly as they should.