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Text Case Converter

Convert and format written text inputs between all case conventions in real-time.

STRING SOURCE
Type or paste text to apply conversions.
CONVERTED VALUES LIST
UPPERCASE:QUICK BROWN FOX JUMPS OVER LAZY DOG
lowercase:quick brown fox jumps over lazy dog
Title Case:Quick Brown Fox Jumps Over Lazy Dog
Sentence Case:Quick brown fox jumps over lazy dog
camelCase:quickBrownFoxJumpsOverLazyDog
snake_case:quick_brown_fox_jumps_over_lazy_dog
CONSTANT_CASE:QUICK_BROWN_FOX_JUMPS_OVER_LAZY_DOG
dot.case:quick.brown.fox.jumps.over.lazy.dog
Documentation

About Text Case Converter Free — Convert UPPERCASE, lowercase, Title Case

Fix accidentally capitalized paragraphs, format article headlines into standard Title Case, and convert variable names into camelCase or snake_case instantly.

Key Features & Capabilities

  • Convert to UPPERCASE, lowercase, Title Case, and Sentence case
  • Developer naming conventions: camelCase, PascalCase, snake_case, and kebab-case
  • Alternating cAsE and Inverse case options
  • One-click copy to clipboard
  • 100% private in-browser conversion

How to Convert Text Case Online

01

Step 1: Paste Text

Enter the text you want to transform.

02

Step 2: Select Target Case

Click UPPERCASE, lowercase, Title Case, or developer casing buttons.

03

Step 3: Copy Transformed Text

Click Copy to use your formatted text immediately.

Frequently Asked Questions

Does Title Case capitalize small words like 'and', 'the', 'in'?

Our smart Title Case algorithm follows standard grammar rules, keeping minor conjunctions and prepositions lowercase unless they start a sentence.

Is this tool free?

Yes, 100% free with no limits.

Related Utility Tools

Word CounterLorem IpsumDiff Checker
Security & Privacy Pillars

Why Zaeyon?

Private, free, and browser-based — no account, no uploads, no compromises.

Zero Uploads

Your files never leave your device. All processing happens locally in your browser memory — nothing is sent to any server.

100% Free Forever

No subscriptions, no hidden fees, no daily limits. Every tool on Zaeyon is permanently free to use without an account.

Instant & Powerful

Powered by WebAssembly — the same low-level technology used in native apps — so processing is fast even for large files.

Works Offline

Once the page loads, the WebAssembly engine runs entirely on your device. No internet connection needed to process files.

Works Everywhere

No software installation required. Runs directly in your browser on Windows, Mac, Linux, iOS, and Android.