Text Tool

Text Case Converter

Free Text Case Converter - Convert text between uppercase, lowercase, title case, sentence case, and more. No login, no sign in, no registration required. Quickly format text for coding, writing, and content creation with multiple case options.

Paste your text

We convert everything locally in your browser. Paste any text you want to transform.

Text input

118 characters1,000,000 max

Text is ready for conversion. Select a case format to transform it.

Case converter controls

Select your desired case format, then copy or download the converted text.

Case format

Download text

ReadyText is ready

Your text has been converted. Copy or download the result.

14 case formats

From camelCase to CONSTANT_CASE, we support all common formats.

Instant conversion

See results immediately as you type or change formats.

Output preview

Your converted text. Copy or download once everything looks right.

hello world! this is a sample text for case conversion.
you can paste any text here and convert it to different cases.

Convert text case in minutes

Transform any text to different case formats instantly, copy or download results, all without leaving your browser.

Paste or type your text

Enter any text you want to convert. We process everything locally in your browser.

Supports text of any length with instant conversion.
Preserves line breaks and formatting structure.

Choose your case format

Select from 14 different case formats including camelCase, snake_case, kebab-case, and more.

Preview updates instantly as you change formats.
Perfect for code, documentation, or any text transformation needs.

Convert with one click

Transform your text instantly to the selected case format. No waiting, no delays.

All conversions happen in real-time.
Switch between formats seamlessly to find the perfect one.

Copy or download results

Copy the converted text to your clipboard or download it as a text file.

Download files keep UTF-8 encoding and original structure.
Copy buttons work with all case formats instantly.

Where teams rely on case conversion

Speed up development and content creation with instant text transformation.

Code & development

Convert variable names, function names, and constants between different naming conventions.

Transform camelCase to snake_case for Python projects.
Convert to PascalCase for class names in TypeScript.
Generate constant case for environment variables.

Content & documentation

Format titles, headings, and content for consistent styling across documents.

Convert headings to Title Case for articles.
Format sentences for proper capitalization.
Standardize content formatting across teams.

URLs & slugs

Generate URL-friendly slugs and paths from any text input.

Create kebab-case URLs for web pages.
Generate path/case for file structures.
Convert to dot.case for configuration keys.

Case conversion best practices

Follow these guidelines to maintain consistency across your codebase and documentation.

Consistent naming conventions

Use the right case format for the right context to keep your code readable and maintainable.

Use camelCase for JavaScript/TypeScript variable and function names.
Use PascalCase for class names and component names in React.
Use snake_case for Python variables and function names.
Use kebab-case for CSS class names and HTML attributes.
Use CONSTANT_CASE for environment variables and configuration constants.
Use Title Case for headings and document titles.
Use sentence case for body text and descriptions.

Text case converter FAQs

Get answers about limits, privacy, and the converter's capabilities.

Does conversion happen locally?

Yes. Everything runs in your browser—no data leaves your device. Your text is processed entirely on your computer.

How long can the text be?

We comfortably handle text up to 1 million characters. For very large files, we suggest using command-line tools.

Can I convert between multiple formats?

Absolutely. Just change the case format dropdown and the preview updates instantly. You can switch between formats as many times as you need.

Does it preserve special characters?

Yes. Special characters, numbers, and punctuation are preserved. Only letter casing is changed according to the selected format.

Can I download the converted text?

Yes. Use the download button to save the converted text as a UTF-8 text file. The file will contain exactly what you see in the preview.