Upper to Lower Case Converter

Convert to lower case instantly. Convert lower case to upper case or uppercase to lowercase. Transform text between cases. Free online tool.

How to Convert to Lower Case or Upper Case

Our free case converter makes it easy to convert to lower case or convert lower case to upper case. Transform any text between uppercase and lowercase instantly.

  1. Enter your text in the input box above (uppercase or lowercase)
  2. Click "Convert to Lower Case" to convert to lower case, or "Convert to Upper Case" to convert lower case to upper case
  3. Review the result in the output box
  4. Click the copy button to copy the converted text
  5. Paste anywhere - use in documents, emails, or any application

When to Convert to Lower Case or Upper Case

Document Formatting

Convert accidentally capitalized text or format documents that need lowercase formatting. Perfect for fixing formatting errors quickly.

Code & Programming

Convert variable names, function names, or code strings from uppercase to lowercase. Essential for programming and coding tasks.

Email & Messages

Convert uppercase text in emails or messages to lowercase for better readability and professional appearance.

Data Processing

Normalize text data by converting uppercase entries to lowercase for consistent data formatting and database operations.

Frequently Asked Questions

How do I convert to lower case?

Simply paste or type your text into the input field and click "Convert to Lower Case". The tool automatically converts all capital letters to lowercase while preserving numbers, punctuation, and spaces. You can convert to lower case for any text length.

How do I convert lower case to upper case?

Enter your lowercase text in the input field and click "Convert to Upper Case". The tool automatically converts all lowercase letters to uppercase. You can convert lower case to upper case instantly for any amount of text.

Does it work with mixed case text?

Yes! The converter handles any text - whether it's all uppercase, mixed case, or already lowercase. All letters will be converted to lowercase in the output.

What happens to numbers and punctuation?

Numbers, punctuation marks, spaces, and special characters remain unchanged. Only letters are converted from uppercase to lowercase.

Can I convert long documents?

Yes! The converter handles text of any length - from single words to entire documents with multiple paragraphs. There are no character limits.

Is this tool free to use?

Yes, our uppercase to lowercase converter is completely free to use. No registration required, no limits on usage. Convert as much text as you need instantly.