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Content & Text • 9 Case Formats

Case Converter

Transform text into UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and more in one tap.

Select Target Case
Input Text
Converted Output (Editable)
Case Conversion Behavior & Intentional Limitations
  • Unicode Support: Full UTF-8 multibyte character safety across all cases (e.g., German umlauts, French accents, Cyrillic).
  • Identifier Cases (camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE): Tokenize on whitespace, underscores, hyphens, and existing camelCase boundaries. Punctuation is stripped while alphanumeric characters and numbers are strictly preserved.
  • Title & Sentence Case: Sentence case identifies boundaries at punctuation marks (. ! ?) followed by whitespace. Custom linguistic rules (such as maintaining lowercased minor English prepositions like 'of', 'in', 'the') are intentionally handled standardly to avoid locale-specific ambiguity.

About Case Converter

Convert plain text into UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, or CONSTANT_CASE with full UTF-8 Unicode preservation.

How to Use

  1. Paste text into the input field or type directly.
  2. Click any of the 9 case transformation buttons (e.g. UPPERCASE, camelCase, snake_case).
  3. Review the converted preview and click "Copy Transformed" or "Swap to Input".

Inputs & Limits

Supported Formats:

All plain text and Unicode UTF-8 strings.

Key Features:
  • 9 standard case transformations
  • Preserves numbers, punctuation, and Unicode characters
  • Editable output before copying

Privacy & Retention

Executed entirely in your active browser session. Zero data logging.

• No customer accounts or registration required.
• Zero tracking or behavioral ad profiling.