Text Case Converter

Convert text between UPPER, lower, Title, camelCase, snake_case, and more. Free online tool with one-click copy.

Preparing private browser tool...

Your file will stay on this device.

Related tools

Color Picker

Pick colors and convert between HEX, RGB, HSL formats instantly. Copy color codes with one click. Free online tool.

File Hash

Generate MD5, SHA-1, SHA-256 checksums from files in your browser. Verify file integrity without uploading. Free and private.

Base64 Encoder

Encode and decode Base64 strings instantly. Supports text and file input. Free online tool, no upload, runs in your browser.

UUID Generator

Generate version 4 UUIDs instantly. Create 1 to 100 UUIDs at once with one-click copy. Free, runs in your browser.

Frequently asked questions

Which cases are supported?
UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, dot.case, path/case.
Does it preserve accents and special characters?
Yes. Unicode characters (é, ü, 한, 日) are preserved and cased correctly per language rules.
Can I convert code variable names?
Yes. camelCase ↔ snake_case ↔ kebab-case conversions are common for renaming variables across languages.
Is there a character limit?
No practical limit. Tested up to 1MB of text.