Free & Open Source

Convert Text to Any Case

The simplest way to transform your text between Title Case, UPPERCASE, lowercase, camelCase, snake_case, and many more formats.

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Instant text transformation

Paste your text below and click any case format to convert instantly.

ConvertCase Editor
All Case Types

Every format you need

From writing to programming, we support all common text case conventions.

Title Case

Capitalizes the first letter of each major word. Perfect for headlines and titles.

The Quick Brown Fox

Sentence case

Capitalizes only the first letter of the sentence. Standard writing format.

The quick brown fox

UPPERCASE

Converts all letters to capitals. Great for emphasis and acronyms.

THE QUICK BROWN FOX

lowercase

Converts all letters to lowercase. Clean and minimalist.

the quick brown fox

camelCase & PascalCase

Programming conventions for variable and class names. camelCase starts lowercase, PascalCase starts uppercase.

theQuickBrownFox TheQuickBrownFox

snake_case

Words separated by underscores. Common in Python and databases.

the_quick_brown_fox

kebab-case

Words separated by hyphens. Ideal for URLs and CSS classes.

the-quick-brown-fox

CONSTANT_CASE

Uppercase with underscores. Used for constants in programming.

THE_QUICK_BROWN_FOX

dot.case

Words separated by dots. Used in configuration files and namespaces.

the.quick.brown.fox

Simple, fast,
and free forever.

Instant Conversion

No loading, no delays. Text converts the moment you click. Works entirely in your browser with zero server requests.

100% Private

Your text never leaves your device. No data is collected, stored, or transmitted. Complete privacy guaranteed.

Open Source

Built in the open with love. Fork it, improve it, make it yours. MIT licensed for maximum freedom.

No installation required
Works offline
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Mobile friendly

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Made with love • Open Source • MIT License