🔤 Text Case Converter

Instantly convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, and more — with live word & character count.

🎛️ Convert to:

📝 Input Text

✅ Converted Output

📊 Words: 8

📝 Characters: 44

🔤 Characters (no spaces): 36

📏 Lines: 1

⚡ Power by encryptdecrypt.org – Free Text Case Converter, 100% client-side, no data storage

Text Case Converter: The Ultimate Tool for Perfect Text Transformation

Text Case Converter is a professional, privacy-focused online utility that instantly transforms any text into ten different case formats. From simple UPPERCASE and lowercase to advanced programming cases like camelCase, PascalCase, snake_case, and CONSTANT_CASE, this tool delivers flawless conversion every single time. Unlike many online converters that upload your content to remote servers, our Text Case Converter processes everything locally in your browser. Your sensitive data never leaves your device. No date gimmicks, no expiration — just pure, reliable case conversion.

Why Text Case Conversion Matters More Than You Think

Case conversion is not merely about aesthetics; it serves critical functions across multiple domains. For writers, consistent title case improves professionalism. For programmers, correct casing is often syntactically significant. For data analysts, uniform case ensures accurate sorting and matching. Furthermore, accessibility tools rely on proper case presentation. Consequently, having a robust, accurate case converter is essential for anyone who works with text.

Ten Powerful Case Modes – One Click Away

Our tool supports ten distinct case formats, covering every conceivable need. Each mode is implemented with precise linguistic and programming rules.

✅ 1. UPPERCASE

Converts every character to capital letters. Ideal for headings, warnings, acronyms, or shouting in chat. Example: hello world → HELLO WORLD.



✅ 2. lowercase
Converts every character to small letters. Perfect for email addresses, usernames, or consistent database entries. Example: Hello World → hello world.

✅ 3. Title Case
Capitalizes the first letter of every major word. Follows standard English title capitalization rules. Articles, conjunctions, and prepositions (under five letters) remain lowercase unless they are the first or last word. Example: the quick brown fox → The Quick Brown Fox.

✅ 4. Sentence case
Capitalizes the first letter of the first word and proper nouns. All other letters are lowercase. Ideal for paragraphs and articles. Example: hello WORLD. how ARE you? → Hello world. How are you?

✅ 5. camelCase
Removes spaces and capitalizes the first letter of each word except the first word. Used extensively in JavaScript, Java, and C# variables. Example: user login count → userLoginCount.

✅ 6. PascalCase
Removes spaces and capitalizes the first letter of every word. Standard for class names, constructors, and C# method names. Example: user profile data → UserProfileData.

✅ 7. snake_case
Replaces spaces with underscores and converts all letters to lowercase. Common in Python, Ruby, and C variables. Example: database connection string → database_connection_string.

✅ 8. kebab-case
Replaces spaces with hyphens and converts all letters to lowercase. Preferred for URL slugs, CSS class names, and HTML IDs. Example: about us page → about-us-page.

✅ 9. CONSTANT_CASE
Replaces spaces with underscores and converts all letters to UPPERCASE. Used for global constants and environment variables. Example: api secret key → API_SECRET_KEY.

✅ 10. tOGGLE cASE (Invert)
Reverses the case of every letter. Uppercase becomes lowercase and vice versa. Useful for correcting accidentally locked caps. Example: Hello World → hELLO wORLD.

How to Use the Text Case Converter (Three Simple Steps)

Enter your text — Type or paste any content into the input box.
Select case format — Choose from ten conversion modes in the dropdown.
Click "Convert" — Instantly see the transformed text in the output pane.
Copy or swap — Use the Copy button or swap input/output for iterative editing.

Additionally, real-time statistics show word count, character count, and line count — essential for writers and SEO professionals.

Five Frequently Asked Questions — Expert Answers
❓ 1. Does this Text Case Converter handle non-English characters?
Absolutely. The tool fully supports Unicode, including Hindi (देवनागरी), Tamil (தமிழ்), Chinese (中文), Arabic (العربية), and emojis. Accented characters like café, façade, and naïve convert correctly in all modes.

❓ 2. What is the difference between Title Case and Sentence Case?
Title Case capitalizes major words regardless of position. Sentence Case capitalizes only the first word of each sentence. For example: "the cat and the dog" becomes "The Cat and the Dog" (Title Case) vs "The cat and the dog" (Sentence Case).

❓ 3. Why should I use CONSTANT_CASE instead of UPPERCASE?
CONSTANT_CASE replaces spaces with underscores, making it ideal for multi-word constants. UPPERCASE alone would produce API SECRET KEY, which is ambiguous. CONSTANT_CASE yields API_SECRET_KEY — clear and standard.

❓ 4. Is this tool really 100% free?
Yes, completely free. No premium tiers, no credit card, no daily limits. You can convert unlimited text forever. The tool is supported by links to our other free utilities.

❓ 5. Can I convert large documents?
Yes. The tool processes text entirely in your browser. There is no file size limit, though very large documents may take a few seconds. We recommend converting up to 1 million characters per session for optimal performance.

Real-World Use Cases: Who Needs This Tool?

Content Writers & Bloggers: Quickly reformat headlines, subheadings, and meta titles for SEO.
Software Developers: Convert between camelCase, PascalCase, snake_case, and kebab-case for variable naming consistency.
SEO Specialists: Generate URL slugs using kebab-case and meta descriptions with proper sentence case.
Students & Academics: Format citations, titles, and abstracts according to style guides (APA, MLA, Chicago).
Data Entry Professionals: Normalize inconsistent datasets to uniform case for deduplication and sorting.
Social Media Managers: Create engaging posts with varied capitalization styles.


Technical Excellence: Built on Unicode Standards
Our Text Case Converter uses JavaScript's built-in string methods enhanced with custom rules for title case, sentence case, and programming cases. Title case intelligently handles articles (a, an, the), coordinating conjunctions (and, but, or), and short prepositions (in, on, at, for). The tool also preserves punctuation, line breaks, and whitespace — no accidental trimming.

Security & Privacy: Your Data Never Leaves Your Device
We prioritize your privacy. Unlike many online converters that send your text to third-party APIs, this tool operates 100% client-side. No network requests, no server logs, no tracking. This makes it suitable for sensitive documents, proprietary source code, and personal correspondence. For additional security, combine it with our AES-256 encryption tool before transmission.

Internal Resources: Complete Ecosystem of Text & Encoding Tools
Your text processing workflow doesn't stop at case conversion. Bookmark these essential, free, client-side tools from encryptdecrypt.org — all privacy-first, no server uploads:


Encoding & Decoding:
Base16 (Hex) • 
Base32 • 
Base36 • 
Base45 • 
Base58 • 
Base62 • 
Base64 • 
Base85 • 
Base91 • 
URL Encoder • 
HTML Encoder • 
XML Encoder • 
Unicode • 
UTF‑8 • 
ASCII • 
Binary Translator • 
Octal ⇄ Decimal • 
Punycode • 
Uuencode • 
Percent Encoding


Ciphers & Encryption:
ROT13 • 
ROT47 • 
Morse Code • 
Emoji • 
Caesar Cipher • 
Vigenère • 
Atbash • 
Affine • 
Rail Fence • 
Columnar Transposition • 
AES-256 GCM • 
Autokey • 
AES-192 • 
AES-128 • 
Playfair • 
Scytale • 
Bacon Cipher • 
RSA (Educational)


Hashing & Password Security:
MD5 • 
SHA-1 • 
SHA-256 • 
SHA-512 • 
SHA-3 • 
SHA-2 • 
SHA-384 • 
BLAKE2 • 
BLAKE3 • 
RIPEMD-160 • 
Whirlpool • 
CRC32 • 
PBKDF2 • 
HMAC • 
bcrypt • 
scrypt • 
Argon2


Token & Password Generators:
Password Generator • 
Ultimate Password Tool • 
Secure Token • 
OTP (TOTP/HOTP) • 
UUID Generator • 
API Key Generator • 
CSRF Token • 
Diceware Passphrase • 
Crypto‑Safe Random Numbers


Escaping & Special Formats:
JavaScript Escape • 
CSS Escape • 
JSON String Escape • 
SQL String Escape • 
Shell/Bash Escape • 
C/C++ String Literal Escape • 
QR Text Generator



Furthermore, we regularly add new tools. Bookmark our main page and never struggle with text transformation again.

Outbound References: Authoritative Resources

Unicode Character Database – Official character casing rules
MDN: String.prototype.toUpperCase()
APA Style: Title Case Capitalization
OWASP Command Injection – Defense principles


Accessibility: Text Conversion for Everyone
We believe digital tools should be inclusive. Our interface uses high-contrast colors, resizable text, and semantic HTML. The tool is fully keyboard navigable and compatible with screen readers. Real-time statistics help users with cognitive disabilities track their writing progress.

Why We Never Mention Years or Expiry Dates
Unlike many websites that artificially append "2026" or current years to appear fresh, we build evergreen tools. This Text Case Converter will never expire, and its functionality will remain consistent indefinitely. The rules of English capitalization and programming conventions do not change yearly. We focus on quality, not timestamps.

Conclusion: The Only Text Case Converter You'll Ever Need
Text Case Converter combines comprehensive case options, real-time statistics, and absolute privacy into one elegant interface. Whether you're a writer, developer, student, or data professional, this tool delivers flawless case conversion instantly. No watermarks, no tracking, no expiration. Add it to your daily workflow today.