⚙ Text Mechanic

Letter Case Converter

Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, kebab-case, and toggle case instantly in your browser.

How to Use Letter Case Converter

  1. Enter Your Text: Paste or type the text you want to transform into the input area.
  2. Select Case Style: Click your target case: UPPERCASE, lowercase, Title Case, camelCase, snake_case, or kebab-case.
  3. Get Result: Copy the converted text immediately with the Copy button.

Key Features & Capabilities

  • 8+ Case Modes: Supports UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, kebab-case, and InVeRsE.
  • Smart Title Casing: Respects standard capitalization rules for articles and prepositions in Title Case.
  • Developer Friendly: Convert text directly to programming conventions like camelCase and snake_case.
  • 100% In-Browser Privacy: Your text never leaves your device or touches an external server.

Common Use Cases

  • Headline Formatting: Format blog post titles, essay headings, and marketing copy into proper Title Case.
  • Variable Naming: Convert column headers or human sentences into code-friendly snake_case or camelCase.

Frequently Asked Questions

What is the difference between Title Case and Sentence case?
Title Case capitalizes the first letter of each major word, whereas Sentence case capitalizes only the first letter of each sentence.
Is my text sent to any server?
No. The conversion is performed entirely in your browser using local JavaScript.

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