Case Converter

Convert text between different cases (camel, snake, kebab, etc.)

Case:

Input

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Output

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What is Case Converter

Written by Giorgos Kostas. Last reviewed: April 27, 2026

Case Converter is an online text case converter for changing pasted text into common writing, coding, and URL-friendly formats. It is not limited to simple upper and lower case: the tool also supports title case, sentence case, camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE.

Use it when you need consistent variable names, slugs, headings, labels, constants, or normalized text without manually editing every word. Paste your text, choose the target format, and copy the converted output.

Why use it

Use case Converter directly in the browser without extra setup.
Speed up repetitive case Converter tasks with copy-ready output.
Reduce avoidable manual mistakes when working with case Converter.
Keep case Converter work focused in one page instead of juggling multiple tools.

Features

Lowercase and uppercase conversion
Title case and sentence case formatting
camelCase and PascalCase identifiers
snake_case, kebab-case, and CONSTANT_CASE output
Case Converter never leaves your machine

Example (before/after)

Case Converter input

Start with the case Converter input you want to process in Case Converter.

Case Converter output

Get a case Converter result from Case Converter that is ready to review, copy, and reuse in the next step of your workflow.

Common errors

Unsupported input

The tool may reject input that does not match the expected content, structure, or file type.

Fix: Confirm the tool input requirements and paste the correct type of data.

Incomplete values

Missing fields or partial content can block processing or produce weak results.

Fix: Provide the full required input before running the tool.

Copying placeholder content

Sample or placeholder values can lead to output that looks valid but is not ready for real use.

Fix: Replace placeholders with your actual values before relying on the result.

FAQ

What formats does Case Converter support?

It supports lowercase, UPPERCASE, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE output formats.

Can I use it as a camelCase converter?

Yes. Select camelCase to turn spaced, dashed, underscored, or mixed-case text into a JavaScript-style camelCase identifier.

Can I convert text to snake_case or kebab-case?

Yes. Choose snake_case for underscore-separated output or kebab-case for hyphen-separated output commonly used in URLs, CSS classes, and slugs.

Does it support PascalCase and CONSTANT_CASE?

Yes. PascalCase is useful for class names and components, while CONSTANT_CASE is useful for constants, environment keys, and enum-like labels.

Is my text sent to a server?

No. Case conversion runs in your browser, so pasted text stays local while you switch between the available formats.

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Pair Case Converter with slug, whitespace, punctuation, and line utilities to finish text cleanup workflows. You can also browse the full String Utilities category for more options.

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