Free Online Text Case Converter

Case Converter is a great tool to convert your words, characters, letters into uppercase, lowercase, and uppercase letters quickly. The entire font conversion process is handled on OnlineToolBox' system, without using any of your computer's resources.

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String Case Converter


Case Converter is a great tool to convert your words, characters, letters into uppercase, lowercase, uppercase, snake case, dash case, Title case letters quickly. The entire font conversion process is handled on OnlineToolBox' system, without using any of your computer's resources.


The tool will automatically change the font style and make sure not to lose any content. The tool can take any text and language then convert it to uppercase or lowercase you want quickly and accurately.


Case Converter features:

  1. Upper Case: This feature will convert all text to uppercase.
  2. Lower Case: Convert all your text to lowercase.
  3. Sentence Case: Capitalize the first letter of each line.
  4. Capitalized Case: Capitalize the first letter of each word.
  5. Dash Case: Convert all your text to like slug by replace whitespace with dash.
  6. Encode string to base64, Utf8, Hex
  7. Common string utilities: remove whitespace, remove break lines, remove duplicate lines, count the length of the text, remove special characters
  8. Download output as a file

Support convert uppercase and lowercase on all platforms and browsers such as: Windows, MAC, Linux, iPhone, Android, Chrome, Firefox, Edge and Safari without installing software.


Safe & Secure: OnlineToolBox is a tool you can rely on without worrying about the security of your content. All submitted/uploaded data is automatically deleted after 1 hour.


With OnlineToolBox, we'll help you convert typefaces quickly in a few simple steps. We will continuously upgrade the algorithm to give you the best experience! Please share this tool with friends and family. Thank you!

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