Case Converter — Reformat any text into the letter case you need: UPPERCASE, lowercase, Title Case, Sentence case, or the identifier styles used in programming — camelCase, PascalCase, snake_case, and kebab-case.
Conversion runs locally in your browser. Your text is never uploaded.
Was Case Converter useful?
What is case converter?
Reformat any text into the letter case you need: UPPERCASE, lowercase, Title Case, Sentence case, or the identifier styles used in programming — camelCase, PascalCase, snake_case, and kebab-case.
The converter understands word boundaries in plain text and in existing identifiers, so “hello world”, “helloWorld”, and “hello-world” all convert cleanly to any style.
How to use it
-
Paste your text
Plain sentences or existing identifiers both work.
-
Choose a case
Pick any of the eight styles from the dropdown.
-
Copy the result
The converted text appears instantly on the right.
Examples
Sentence to identifier
A phrase becomes a valid variable name.
the quick brown fox
Result: theQuickBrownFox (camelCase)
Frequently asked questions
Related guides
What Is Regex, and When Should You Actually Use It?
A regular expression is a tiny language for matching patterns in text. It is one of the most useful tools in programming — and one of the most overused. Here is what regex is, the four operators that cover 90% of real-world use, the four signs you should not use regex, and how to test one in your browser before you commit it to production.
What Is an SRT File? (And How Do You Read a Subtitle File)
SRT is the most common subtitle format: numbered cues with start and end timestamps and the text to display. Learn the structure, why it has weird line breaks, how to convert SRT to VTT or SUB, and how to fix the three most common mistakes (off-by-one timing, encoding, and Windows line endings).
How to Learn Regex: A Beginner’s Guide (That Actually Sticks)
Regex looks like noise but it is just a tiny pattern language. This guide teaches the mental model, the most useful metacharacters, the traps, and a workflow for testing patterns without copy-pasting into random websites.
Related tools
Last reviewed: 2026-09-18