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Text & Dev · Free to use

Case Converter

Transform text between UPPER, lower, Title, Sentence, camelCase, snake_case and kebab-case, then copy.

How it works ↓

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How to use the case converter

  1. 1Paste your text.
  2. 2Click the case you want.
  3. 3Copy the transformed result.

This tool runs in your browser. The text, files and values you enter are not uploaded to our server.

About the case converter

A case converter transforms text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and kebab-case. Handy for fixing accidental caps-lock, formatting headings, and generating code identifiers or URL slugs from plain text.

Frequently asked questions

Is this tool free?

Yes — completely free, no signup, no watermark and no limits. Startup OG funds the site through its directory and partner program, not paywalled tools.

What is the difference between camelCase, snake_case and kebab-case?

camelCase joins words with capitals (`myVariable`), snake_case uses underscores (`my_variable`), kebab-case uses hyphens (`my-variable`) and is common in URLs and CSS.

When should I use Title Case vs Sentence case?

Title Case ("Build Your Startup") suits headings and product names; Sentence case ("Build your startup") is friendlier for UI text and modern brand voice.