Convert Case Tool – Free Online Text Case Converter
Accidentally typed your text in the wrong case?
Simply drop your text below to quickly convert it into uppercase, lowercase, title case, sentence case, and other text formats using our free online case converter.
How to Use the Text Case Converter
Quick Start Guide
- 1Paste or type your text into the text area above
- 2Click any case button (UPPERCASE, lowercase, Title Case, etc.)
- 3Copy the result using the Copy button or Ctrl+C
Pro Tips
- ✨Use Smart Suggestions for automatic format detection
- ⌨️Press Ctrl+1-9 for quick case changes
- 🔄Use Undo/Redo to revert changes
- 🔒100% private - all processing happens in your browser
What is Text Case Conversion?
Text case conversion is the process of changing the capitalization of letters in text. Our tool supports multiple formats including UPPERCASE (all capital letters), lowercase (all small letters), Title Case (first letter of each word capitalized), Sentence case (first letter of sentences capitalized), and programming formats like camelCase, snake_case, and kebab-case.
Whether you're a developer naming variables, a content writer formatting titles, or anyone needing to quickly change text formatting, our case converter handles it all instantly and securely in your browser.
Common Use Cases
Programming
Convert variable names between camelCase, snake_case, PascalCase, and kebab-case for different programming languages.
Content Writing
Format headlines, titles, and articles with proper Title Case or Sentence case capitalization.
Email & Social
Fix CAPS LOCK mistakes or format text for professional emails and social media posts.
Explore All Text Tools
100+ free tools for text conversion, formatting, and transformation. All tools work instantly in your browser.
AaCase Converters
UPPERCASE
Convert to capital letters
lowercase
Convert to small letters
Title Case
Capitalize each word
Sentence case
First letter capitalized
camelCase
Programming format
PascalCase
Class naming format
snake_case
Python & database format
kebab-case
URL slugs
</>Code & Data Tools
JSON Formatter
Format & validate JSON
Base64 Encoder
Encode/decode Base64
HTML Formatter
Beautify HTML code
Regex Tester
Test regular expressions
✨Text Generators
Bold Text
𝗕𝗼𝗹𝗱 for social media
Italic Text
𝘐𝘵𝘢𝘭𝘪𝘤 for social media
Strikethrough
S̶t̶r̶i̶k̶e̶ text
Underline Text
U̲n̲d̲e̲r̲l̲i̲n̲e̲ text
Small Text
ˢᵐᵃˡˡ superscript text
Instagram Fonts
Fancy fonts for bio