Case converter
Paste text — get common variants for coding and prose.
Switching tone and syntax quickly
Case conversion saves time when text needs to match a platform, style guide, or programming convention. Title Case works for headings, camelCase fits JavaScript variables, snake_case fits Python code, and UPPER CASE often appears in constants or labels.
Useful beyond code
Editors also use case conversion for email subject lines, product names, and branding drafts. It is a small tool, but it prevents a lot of repetitive manual rewriting when you have several variations of the same phrase.
When to use each case style
Title Case suits headlines, camelCase fits JavaScript variables, snake_case fits Python modules, and UPPER CASE appears in constants or warning labels.
Behavior notes
Non-letter boundaries split tokens — messy punctuation yields best-effort transforms. Proofread outputs before publishing code or titles.
Naming conventions in code
Teams standardize on camelCase for JavaScript, snake_case for Python, and SCREAMING_SNAKE for environment variables. Converting a draft label in one click reduces typos when renaming fields across a codebase or OpenAPI schema.
Headline cleanup
Marketing titles often arrive in inconsistent casing from legacy CMS exports. Batch-convert to sentence case before human editors polish tone and brand voice.
Quick start
- Paste text — Drop a headline, identifier, or paragraph into the input.
- Pick a case style — Choose UPPER, lower, Title Case, camelCase, snake_case, or another preset.
- Copy the output — Proofread edge cases around punctuation before using in code or titles.