Case Converter
Transform text to UPPERCASE, lowercase, Title Case, and more instantly.
📖 How It Works
Available Case Conversions
UPPERCASE: Converts all letters to capital letters. Example: "hello world" → "HELLO WORLD"
lowercase: Converts all letters to small letters. Example: "HELLO WORLD" → "hello world"
Title Case: Capitalizes the first letter of each word. Example: "hello world" → "Hello World"
Sentence case: Capitalizes only the first letter of each sentence. Example: "hello world. how are you?" → "Hello world. How are you?"
tOGGLE cASE: Inverts the current case of each letter. Example: "Hello World" → "hELLO wORLD"
aLtErNaTiNg CaSe: Alternates between lowercase and uppercase for each letter. Example: "hello world" → "hElLo WoRlD"
💡 Pro Tip: Use keyboard shortcuts! After typing your text, simply click the conversion button you need. Results appear instantly and you can copy with one click.
🎯 Common Use Cases
- Headlines & Titles: Convert blog post titles to proper Title Case format
- Programming: Transform variable names between camelCase and other formats
- Social Media: Create eye-catching posts with UPPERCASE emphasis
- Data Cleaning: Standardize text data for databases and spreadsheets
- Email Writing: Fix accidentally typed CAPS LOCK text
- Legal Documents: Ensure proper capitalization for formal documents
❓ Frequently Asked Questions
There's no strict character limit. The tool can handle very large texts, though extremely long texts (over 100,000 characters) may take a moment to process.
Yes! Special characters, numbers, and punctuation are preserved. Only alphabetic characters are affected by the case conversion.
Yes, the case converter works with most languages that have uppercase and lowercase letters, including German, French, Spanish, and many others.
No. All processing happens locally in your browser. Your text is never sent to any server or stored anywhere.