Free Online Case Converter
Welcome to the Case Converter, your all-in-one online tool for changing text case. Whether you typed everything in lowercase by mistake, left your Caps Lock on, or need to format titles properly, our converter makes it simple. Just paste your text, choose a style, and copy the result — fast, accurate, and free.
What You Can Do With Case Converter
Small to Capital Letter
Turn lowercase into UPPERCASE instantly.
Uppercase to Lowercase
Fix caps lock errors and make text easier to read.
Uppercase Letter
Convert text into ALL CAPS for emphasis.
Case Convert
Switch between multiple formats anytime.
Convert Case
Choose sentence case, title case, capitalized case, alternating case, or inverse case.
All Case Types
Access all case conversion options in our main converter tool.
Supported Case Styles
Sentence case:
Capitalizes the first letter of each sentence.
lower case:
Converts everything into small letters.
UPPER CASE:
Makes every letter capital.
Capitalized Case:
First letter of each word is uppercase.
aLtErNaTiNg cAsE:
Fun style with alternating letters.
Title Case:
Perfect for headings and essays.
InVeRsE CaSe:
Flips the case of each letter.
Why Use Our Converter?
Fix text without retyping.
Perfect for students, writers, and professionals.
Copy or download results instantly.
Works on desktop, tablet, and mobile.
100% free, no signup required.
Example
Input:
this is a free case converter tool
UPPER CASE →
THIS IS A FREE CASE CONVERTER TOOL
lower case →
this is a free case converter tool
Title Case →
This Is A Free Case Converter Tool
Sentence case →
This is a free case converter tool.
FAQ – Case Converter
Simply paste your text into the input field, select your desired case format from the buttons, and the converted text will appear instantly in the output field. You can then copy the result with one click.
Uppercase converts ALL letters to capital letters (HELLO WORLD), while capitalized case only capitalizes the first letter of each word (Hello World).
Yes! Our converter can handle large amounts of text, including entire essays, documents, or articles. There's no character limit, and the conversion is instant.
No, numbers and punctuation marks remain unchanged. Only letters are converted according to the selected case format.
Yes, our case converter works in all modern browsers including Chrome, Firefox, Safari, Edge, and mobile browsers. No plugins or downloads required.
Absolutely! Our converter is fully responsive and optimized for mobile devices. You can use it on smartphones and tablets with the same functionality as desktop.
Sentence case capitalizes only the first letter of each sentence, making it perfect for regular paragraphs, articles, and general writing where you want proper sentence structure.
Title case capitalizes the first letter of each major word (nouns, verbs, adjectives, adverbs), while proper case typically refers to capitalizing only proper nouns. Our title case follows standard title formatting rules.
Yes! Your original text remains in the input field, so you can easily try different case formats or go back to your original text at any time.
Yes, our case converter is 100% free to use with no hidden fees, registration requirements, or usage limits. You can convert as much text as you need, whenever you need it.