What is the Case Converter?
Typed a paragraph with Caps Lock on? Need a headline in Title Case or a variable name in camelCase? The case converter fixes text in one click without retyping.
It handles English and works with most other scripts too. Writers use it for headings, students for references, and developers for code naming styles. To count words or characters afterwards use the Word Counter or Character Counter.
How to use the Case Converter
- Paste or type your text.
- Click a style such as UPPERCASE, Title Case or snake_case.
- Click Copy text to copy the result.
Example
"the quick brown fox" becomes THE QUICK BROWN FOX, The Quick Brown Fox, theQuickBrownFox or the_quick_brown_fox.
Text case styles explained
Sentence case
Only the first letter of each sentence is capital. Best for body text and most headings online.
Title Case
The first letter of each word is capital. Common for book titles and news headlines.
camelCase and PascalCase
Words joined without spaces, with capitals marking new words. Used in JavaScript, Java and C#.
snake_case and kebab-case
Words joined with underscores or hyphens. Used in Python, databases and website URLs.
Which case should I use?
After changing case, check length with the Word Counter.
Title Case
Headings, book and article titles.
Sentence case
Normal sentences, meta descriptions and most UI text.
UPPERCASE
Short labels and warnings; avoid it for long text.
camelCase, snake_case and kebab-case
Variable names, file names and website URLs.
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Frequently asked questions
How do I convert uppercase to lowercase?
Paste the text and click "lowercase".
What is Title Case?
A style where the first letter of each word is capitalised, used for titles and headings.
What is the difference between camelCase and PascalCase?
camelCase starts with a lowercase letter (myVariable); PascalCase starts with a capital (MyVariable).
Is my text saved or sent anywhere?
No. The conversion happens in your browser.
Does it work with Urdu text?
Urdu has no upper and lower case, so only spacing styles such as snake_case change it.
Is the Case Converter free to use?
Yes. The Case Converter on Custom Converter is completely free, with no sign-up, no daily limit and no watermark.
Does the Case Converter work on mobile phones?
Yes. It is built mobile-first and works on Android phones, iPhones, tablets and computers in any modern browser, with no app to install.