Convert text between UPPER, lower, camel, snake, and more. Free, private, runs in your browser.
100% private — your files and text never leave your browser. All processing happens locally on your device.
9 words · 43 characters
The Quick Brown Fox Jumps Over The Lazy Dog
A case converter transforms text between different capitalization styles — uppercase, lowercase, title case, sentence case, camelCase, snake_case, and more. It automates a tedious formatting task that writers, developers, and content creators encounter daily.
Consistent capitalization matters for readability, branding, and code style. Converting headings to title case, reformatting variable names between camelCase and snake_case, or fixing accidentally typed CAPS LOCK text are common needs. Doing these transformations manually is slow and error-prone, especially with large blocks of text.
Paste your text and select the target case format. Convertful applies the transformation instantly using JavaScript string operations running entirely in your browser. Supported formats include UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, and kebab-case.
Yes. All text processing happens locally in your browser. No data is sent to any server, making it safe for proprietary content and unpublished work.
UPPER CASE, lower case, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE.
Yes. Paste a variable name in any format and convert it to camelCase, snake_case, PascalCase, or kebab-case instantly.
Yes. Multi-line text stays multi-line, so you can convert headings, lists, or batches of identifiers without flattening the output.