Case Converter
Transform text formatting instantly with our free case converter and case converter online tool. Use the text case converter to switch between uppercase lowercase converter, lowercase, uppercase, sentence case, and title case formats. Quickly use the lowercase converter, uppercase converter, sentence case converter, or title case converter to format your content consistently. You can capitalize text, change text case, or convert text to uppercase without manually editing every word. Wondering how do I change text to uppercase, how do I convert text to lowercase, or how do I change text case online? Paste your text and choose the case you need.
How to use the Case Converter
- Paste your text.
- Choose the target case.
- Copy or download the result.
Case Converter features and limits
- Seven conversion styles
- Live updates as you type
- Limitation: title case capitalises every word and does not apply style-guide exceptions.
How the Case Converter works
Text is transformed with JavaScript string and regular-expression functions; for programming cases it first splits on letters and digits.
Privacy and browser processing
Your input is processed locally in this page and is not uploaded or stored by Best Web Tools. Your hosting provider may still keep ordinary server logs for page requests.
Frequently asked questions
Does it keep punctuation?
Yes for upper, lower, title and sentence case. Programming cases drop punctuation.
What is title case?
Title case capitalizes the first letter of each word. This tool does not apply style-guide exceptions for small words.
What is sentence case?
Only the first letter of each sentence is capitalized and everything else is lowercase.
Related tools
Browse all Text Tools or return to the Best Web Tools homepage.
Why use the Case Converter?
Consistent capitalisation matters in headings, spreadsheets and code. Switching a pasted block between styles by hand is slow and error-prone, so a converter saves time, especially for variable names.