Text Case Converter — Text & Content Tools — Zapit
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Text Case Converter

Convert text to UPPER, lower, Title, camelCase, snake_case and more.

When to use each case

UPPER CASEWarning labels, emphasis, some language constants
lower caseCasual writing, email addresses, URLs
Title CaseArticle headings, book titles, proper nouns (AP style)
Sentence caseGeneral prose, blog posts, UI copy
camelCaseJavaScript/TypeScript variables and function names
PascalCaseClass names, React components, TypeScript types
snake_casePython variables, database columns, file names
kebab-caseHTML attributes, CSS classes, URL paths
CONSTANT_CASEConstants and environment variables
dot.caseConfig keys, i18n translation keys
aLtErNaTiNgMocking tone, meme text, sarcasm
iNVERSE cASEFlip existing capitalization for stylistic effect
Instantly convert text between uppercase, lowercase, title case, sentence case, and more. Paste your text and click a button to transform the casing. Perfect for formatting headings, cleaning up copy-pasted text, or normalizing data.

Key Features

Multiple case styles
Supports uppercase, lowercase, title case, sentence case, camelCase, PascalCase, snake_case, kebab-case, and more.
Real-time preview
See the converted text update instantly as you type or paste.
One-click copy
Copy the converted text to your clipboard with a single click.
Privacy-first
All processing happens in your browser. Your text never leaves your device.

How to Use

  1. 1Paste or type your text in the input area.
  2. 2Click one of the case conversion buttons (e.g. UPPERCASE, Title Case).
  3. 3The converted result appears instantly below.
  4. 4Click Copy to send the result to your clipboard.

Frequently Asked Questions