Case Converter

About Case Converter

Changing the case of text by hand is slow and easy to get wrong. The Case Converter turns your text into UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case or alternating case with one choice. Writers use it to fix headings copied in capital letters, and developers use it to match naming styles in code. Everything is processed in your browser.

Example

Input: "how to start a vegetable garden" with Title Case selected. Output: "How To Start A Vegetable Garden". Choosing kebab-case produces "how-to-start-a-vegetable-garden", which is useful for URLs.

Tips for better results

• Use Sentence case for most blog headlines, since it is easier to read than all-caps or full title case.
• Developers should pick the style that matches their language, such as snake_case for Python and camelCase for JavaScript.
• Proper names may need manual correction after converting to lowercase or Title Case.

When to use Case Converter

The Case Converter saves time whenever text arrives in the wrong capitalization. Editors fix headlines pasted in all caps, data entry staff clean name lists, and developers rename variables or keys to fit a codebase. It also helps content creators format titles consistently across a site. Paste once, choose a style and copy the result. Everything runs in your browser. Review the output when proper nouns, acronyms or brand names are involved, since automatic rules cannot know those exceptions.

Real-world uses

• A content editor receives a list of article headlines in all capitals and needs them in sentence case for a newsletter.
• A developer has a column of labels written with spaces and wants snake_case names to use as database field names.
• An office assistant has a contact list with names typed in mixed capitals and wants a consistent format before importing it.
• A social media manager wants to try a title case version of a headline to compare with the sentence case version.

Common mistakes to avoid

• Converting to lowercase or Title Case without rechecking acronyms, brand names and names like iPhone or NASA that should keep their special capitalization.
• Choosing the wrong code style for the language or project, which can break naming rules or cause inconsistent code.
• Converting a large block with mixed content such as URLs and email addresses, which can change parts that must stay lowercase.

Convert text to UPPERCASE, lowercase, Title Case, camelCase and more. It works instantly in your browser, so there is nothing to install and nothing to upload. Case Converter is part of our collection of 100 free tools in the Writing & Email category.

How to use it

1. Enter your information or choose a file in the tool above.
2. Your result appears right below the tool.
3. Copy the result, or adjust your input and try again.

Frequently asked questions

Which case is best for headlines?

It depends on your style guide. Sentence case is common for web content and easy to read, while title case is common in formal publishing. Whichever you choose, apply it consistently.

Can I convert code identifiers with it?

Yes, camelCase, PascalCase, snake_case and kebab-case are supported for text you paste. Check the result against your project's naming rules, especially with numbers or abbreviations in the name.

Is Case Converter free to use?

Yes. Case Converter is completely free and you do not need to create an account.

Is my data uploaded anywhere?

No. This tool runs in your browser, so what you type or choose stays on your device.

How accurate are the results?

Calculations use standard formulas, but always double-check important figures, especially for money, health or legal decisions.