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Text Case Converter (10 styles)

Convert text to 10 cases: UPPER, lower, Title, Sentence, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE. Real-time, Vietnamese-aware.

All tools Browser-only

UPPERCASE

lowercase

Title Case

Sentence case

camelCase

PascalCase

snake_case

kebab-case

CONSTANT_CASE

iNVERT cASE

When to use which

UPPER / lower: normalize emails or usernames before comparison.
Title Case: article titles, book titles.
camelCase / PascalCase: JS/TS variables (camel) vs classes/components (Pascal).
snake_case: Python identifiers, DB columns.
kebab-case: URL slugs, CSS classes, component filenames.
CONSTANT_CASE: constants, env variables.

Who this is for

Content writers, editors, SEO specialists, devs handling text/markdown — URL slugs, char counts, regex testing, SQL formatting.

FAQ

Does this support Vietnamese diacritics?

Yes. All text tools fully support Vietnamese Unicode, including modern diacritic rules.

Is my pasted text saved?

No. Text only exists in the current tab. Refresh or close = gone. TopDev stores nothing.

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