大小写转换工具
免费的大小写转换工具。在 UPPER、lower、Title、Sentence、camelCase、PascalCase、snake_case、kebab-case 和 CONSTANT_CASE 之间转换文本。
Runs in your browserUpdated Apr 26, 2026
Input
upper
—
lower
—
title
—
sentence
—
camel
—
pascal
—
snake
—
kebab
—
constant
—
常见问题
›What case styles are supported?
lowercase, UPPERCASE, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE and more.
›What's the difference between camelCase and PascalCase?
Both join words with no separator. camelCase has a lowercase first letter (myVariable); PascalCase has an uppercase first letter (MyClass).
›Can I convert long pasted text?
Yes — works with any size text your browser can hold. All conversions run instantly.
›Is my text uploaded?
No — everything runs in your browser.
›Is the converter free?
Yes — fully free, no signup, no ads.