Case Converter

Convert text between 17 general, developer and stylistic case formats. Unicode-aware word splitting, locale-sensitive casing and live statistics run entirely in your browser.

Letters: 0 Words: 0 Lines: 0 Sentences: 0

General

Developer

Stylistic

What this tool does

The case converter changes text between general writing styles, programming identifier formats and playful alternating styles. The selected transformation updates immediately as you type.

All processing happens locally in the browser. The tool uses Unicode-aware segmentation and the language selected for the page when applying uppercase and lowercase rules.

How to use the tool

  1. Enter or paste text into the input field.
  2. Choose one of the general, developer or stylistic formats.
  3. Review the live result and the letter, word, line and sentence statistics.
  4. Copy the transformed text when it matches the format you need.

Useful applications

  • Standardize headings, labels and imported text.
  • Convert variable, function and class names between camelCase, PascalCase, snake_case and related conventions.
  • Prepare URL slugs, configuration keys or path-like identifiers.
  • Inspect word, line and sentence counts while editing text.

Notes and limitations

  • Title Case lowercases each word before capitalizing its first cased letter. Capitalize Words only changes the first cased letter and preserves the rest of each word.
  • Developer formats split Unicode words at separators, camelCase transitions, acronym boundaries and letter-number transitions. Other punctuation is removed.
  • Scripts without uppercase and lowercase distinctions may remain visually unchanged in general case modes.
  • Sentence and word statistics use Intl.Segmenter when available and fall back to Unicode-aware rules.

Frequently asked questions

What is the difference between Title Case and Capitalize Words?

Title Case normalizes the rest of every word to lowercase; Capitalize Words preserves the existing letters after the first one.

Why are CONSTANT_CASE and SCREAMING_SNAKE identical?

Both conventions use uppercase words separated by underscores. Both names are provided because different ecosystems use different terminology.

Does the converter support accented and non-Latin text?

Yes. It uses Unicode-aware matching and locale-sensitive casing. Languages or scripts without letter case naturally show fewer visible changes.

What happens to punctuation in developer formats?

Developer formats extract letter and number tokens, then join them with the chosen separator. Punctuation and spacing are therefore removed.

Is my text uploaded?

No. Conversion and statistics run in your browser for this tool.

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