Free Text Case Converter

Convert text instantly between 15+ formats: lowercase, UPPERCASE, Title Case, Sentence Case, camelCase, snake_case, and more. Free browser-based tool with no signup.

📝 Input Text

📄 Upload File No file chosen

Characters

Words

Sentences

Lines

Paragraphs

📄 Converted Output

🔒💻

Privacy First — No Server Uploads
Your text never leaves your browser. Everything runs locally with JavaScript. No data is stored or shared.

Text Case Converter: 15+ Formats for Every Need

Whether you're a writer fixing capitalization, a developer formatting variable names, or a student preparing essays, our free text case converter gives you instant access to every text format you'll ever need. Just type, paste, or upload a file — then click any format button to convert instantly.

📖 15+ Conversion Formats

Lowercase, UPPERCASE, Title Case, Sentence Case, camelCase, PascalCase, snake_case, kebab-case, dot.case, Alternating Case, Toggle Case, COBOL Case, Constant Case, Hashtag Case.

📊 Live Text Statistics

Real-time counts for characters, words, sentences, lines, and paragraphs. Perfect for content writers and SEO.

📂 File Upload & Download

Upload .txt, .md, .json, .csv, .html, .xml, .js, .css, .py, .java, .cpp. Download converted text as .txt file.

🔒 100% Local Processing

Your text never leaves your browser. No server uploads, no tracking — complete privacy.

⚡ Real-Time Conversion

No "Submit" button needed. Click any format — conversion happens instantly.

📋 Copy to Clipboard

One-click copy to clipboard. Ready to paste into any document, email, or code editor.

How to Use the Free Text Case Converter

1. Type or paste your text into the input box above — or upload a file.
2. Select any case format from the buttons: Sentence case, UPPERCASE, Title Case, camelCase, etc.
3. Your converted text appears instantly on the right.
4. Use the "Copy Output" button to copy to clipboard.
5. Use "Download as .txt" to save the converted text.
6. Live statistics update automatically as you type.

Complete List of Supported Case Formats

Sentence Case: Capitalizes first letter of each sentence. Ideal for general writing.
lower case: All letters lowercase. Perfect for usernames, emails, or casual tone.
UPPER CASE: All letters uppercase. Great for headings, emphasis, or alerts.
Title Case: Capitalizes first letter of every major word. Used for titles and headlines.
Capitalized Case: Capitalizes first letter of every word. Formal and neat appearance.
Alternating Case: Pattern like "aLtErNaTiNg". Fun, playful, or ironic style.
Toggle Case: Inverts every character's case. Useful for fixing accidental caps lock.
camelCase: No spaces, second+ words start uppercase. Used in JavaScript, Java, C#.
PascalCase: No spaces, every word starts uppercase. Used for classes, constructors.
snake_case: Words separated by underscores, all lowercase. Used in Python, Ruby.
kebab-case: Words separated by hyphens, all lowercase. Used in URLs, CSS classes.
dot.case: Words separated by dots, all lowercase. Used in configs, file naming.
COBOL Case: Uppercase words separated by hyphens. Used in legacy systems.
CONSTANT_CASE: Uppercase words separated by underscores. Used for constants in programming.
Hashtag Case: Lowercase words prefixed with #. Used for social media tags.

Frequently Asked Questions

Is this text case converter really free?

Yes! 100% free with no limits. No signup, no hidden fees, no watermarks. Use it as much as you want.

Do you store my text?

No. Everything runs locally in your browser using JavaScript. Your text never leaves your device. No server uploads, no tracking, no storage.

What file formats can I upload?

Supported file types: .txt, .md, .json, .csv, .html, .xml, .js, .css, .py, .java, .cpp. The content is loaded locally and never uploaded.

What's the difference between Title Case and Capitalized Case?

Title Case capitalizes every word with special rules for articles and prepositions (like "to", "the", "and") depending on implementation. Capitalized Case simply capitalizes the first letter of every word without any exceptions.

Can I use this for coding variable names?

Absolutely! camelCase, PascalCase, snake_case, kebab-case, COBOL Case, and CONSTANT_CASE are all designed for developers — perfect for renaming variables, constants, and class names.

Learn how to use this tool correctly by reading our step-by-step tutorial.

View Detailed Tutorial →