Online Case Converter
Convert text between uppercase, lowercase, title case, sentence case and more. Paste your text, choose a conversion, and copy or download the result instantly.
Choose a conversion
Available text conversions
Uppercase
Converts every letter into capital letters.
Example: HELLO WORLD
Lowercase
Converts all letters into small letters.
Example: hello world
Title Case
Capitalizes the first letter of each word.
Example: Hello World
Sentence Case
Capitalizes the first letter of each sentence and converts other letters to lowercase.
Example: Hello world. How are you?
Alternating Case
Alternates between lowercase and uppercase letters.
Example: hElLo WoRlD
Inverse Case
Changes uppercase letters to lowercase and lowercase letters to uppercase.
Example: hELLO wORLD
How to use the case converter
- Paste or type your text into the input field.
- Select the conversion you want to apply.
- Review the converted text in the output field.
- Copy the result or download it as a text file.
Frequently asked questions
What is a case converter?
A case converter is an online tool that changes the capitalization format of text. It can convert text into uppercase, lowercase, title case, sentence case and other formats.
Is this case converter free?
Yes. You can use all the conversion options on this page for free, without creating an account.
Is my text uploaded to a server?
No. The conversion is performed directly in your browser using JavaScript. Your text is not submitted to this website by the converter.
Can I convert a large amount of text?
Yes. You can paste large text passages into the input field. Processing speed depends on your browser and device.
What is the difference between title case and sentence case?
Title case capitalizes the first letter of each word. Sentence case capitalizes the beginning of each sentence while converting the remaining letters to lowercase.
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