Need to fix capitalization, create a WordPress slug, or turn ordinary text into a coding-friendly format? The Case Converter from Mike’s Helpers changes text into lowercase, UPPERCASE, Title Case, Sentence Case, camelCase, PascalCase, snake_case, kebab-case, and SCREAMING_SNAKE_CASE.
Paste your text, choose the format you need, and click Convert Case. Everything runs directly in your browser with no signup required.
🔠 Case Converter
Convert text to lowercase, UPPERCASE, Title Case, Sentence Case, camelCase, PascalCase, snake_case, kebab-case, or SCREAMING_SNAKE_CASE directly in your browser.
🎥 Watch this short video to see how the Case Converter works in real time.
Mike says: “One click is all it takes!”
What Is a Case Converter?
A Case Converter automatically changes the capitalization and formatting of text without making you retype it.
You can turn an entire paragraph into lowercase or UPPERCASE, correct capitalization with Sentence Case, format a heading with Title Case, or transform ordinary words into formats commonly used for URLs and programming.
It is useful for writers, bloggers, WordPress users, developers, students, social media managers, and anyone who regularly works with text.
How to Use the Case Converter
Using the tool takes only a few steps.
- Paste your text into the input box.
- Choose the case style you want.
- Click Convert Case.
- Review the converted text and live preview.
- Click Copy when you are ready to use the result.
You can also use Undo and Redo while working or Reset to start over.
Convert Text to lowercase
The lowercase option changes capital letters to lowercase.
For example:
MIKE’S HELPERS CASE CONVERTER
becomes:
mike’s helpers case converter
This is useful for cleaning text that was accidentally typed with Caps Lock on or preparing text for another formatting style.
Convert Text to UPPERCASE
The UPPERCASE option converts letters to capital letters.
For example:
Mike’s Helpers Case Converter
becomes:
MIKE’S HELPERS CASE CONVERTER
Uppercase can be useful for labels, short notices, headings, identifiers, or text that specifically needs all-capital formatting.
Convert Text to Title Case
Title Case capitalizes the important words in a title while leaving common short words lowercase where appropriate.
For example:
the history of halloween in america
becomes:
The History of Halloween in America
This is useful for article titles, headings, product names, presentations, and other content where consistent title capitalization matters.
Fix Capitalization With Sentence Case
Sentence Case converts text to normal sentence-style capitalization.
It lowercases the text and capitalizes the beginning of sentences after periods, question marks, and exclamation points.
This can save time when text has inconsistent capitalization or was accidentally written in all caps.
Convert Text to camelCase
camelCase removes spaces and joins words together while capitalizing each word after the first.
For example:
mikes helpers case converter
becomes:
mikesHelpersCaseConverter
camelCase is commonly used for variables, functions, identifiers, and other programming tasks.
Convert Text to PascalCase
PascalCase works similarly to camelCase, but the first word is capitalized too.
For example:
mikes helpers case converter
becomes:
MikesHelpersCaseConverter
PascalCase is commonly used for class names, components, types, and other naming conventions in programming.
Create snake_case Text
snake_case converts words to lowercase and separates them with underscores.
For example:
Mike’s Helpers Case Converter
becomes:
mikes_helpers_case_converter
The tool also cleans punctuation and repeated separators instead of simply replacing every space with an underscore.
Create kebab-case for WordPress Slugs
kebab-case converts words to lowercase and separates them with hyphens.
For example:
Free Case Converter Tool
becomes:
free-case-converter-tool
This format is especially useful when creating clean WordPress-style URL slugs.
Instead of manually removing spaces, punctuation, and inconsistent capitalization, paste your phrase into the Case Converter and choose kebab-case.
Create SCREAMING_SNAKE_CASE
SCREAMING_SNAKE_CASE separates words with underscores and converts them to uppercase.
For example:
maximum file size
becomes:
MAXIMUM_FILE_SIZE
This style is often used for constants and configuration values in programming.
Clean Punctuation and Extra Separators
Identifier formats such as camelCase, PascalCase, snake_case, and kebab-case need more than a simple change in capitalization.
The Case Converter cleans punctuation and repeated separators while building these formats. This produces cleaner results when your original text contains spaces, punctuation, or inconsistent formatting.
Undo and Redo Case Changes
The tool includes Undo and Redo controls so you can move between recent conversions without starting over.
This is handy when comparing different formats to decide which one works best for your project.
See Word, Character, and Line Counts
The Case Converter displays basic counts for your input and converted text.
You can quickly see the number of words, characters, and lines without opening another tool.
Unlike the old version of this tool, it does not display a made-up readability score based mainly on how long your text happens to be.
Preview and Copy Your Converted Text
Your converted result appears in the output box along with a live preview.
When you are satisfied with the result, click Copy and paste it wherever you need it.
You can use the converted text in WordPress, documents, spreadsheets, code editors, social media posts, product listings, filenames, or other applications.
Useful for Writers and Bloggers
Writers frequently receive text with inconsistent capitalization.
Maybe a headline was typed in all caps. Perhaps copied material has random capitalization. You might simply need to turn a rough phrase into a properly formatted article title.
Instead of correcting every word manually, the Case Converter handles the repetitive work in seconds.
Useful for WordPress
WordPress users can use the tool for more than capitalization.
The kebab-case option makes it particularly useful for creating clean URL slug formats.
For example:
25 Creepy Vintage Halloween Collectibles Worth Collecting Today
can become:
25-creepy-vintage-halloween-collectibles-worth-collecting-today
You can then decide whether you want to shorten the slug before publishing your page.
Useful for Developers
Developers often need the same words formatted several different ways depending on where they are being used.
A human-readable phrase might need to become camelCase for a variable, PascalCase for a class, snake_case for an identifier, or SCREAMING_SNAKE_CASE for a constant.
The Case Converter provides those common formats in one place without requiring a coding environment.
Private and Browser-Based
The Case Converter runs directly in your browser.
Your text does not need to be sent to an AI service or external API just to change its capitalization.
There is no account to create. Paste your text, convert it, copy the result, and get back to work.
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Behind the Case Converter
Mike’s Helpers is built around simple tools for jobs that should not require complicated software.
Changing capitalization is one of those jobs.
The Case Converter handles everyday writing formats along with useful WordPress and programming formats in a single browser-based tool. It was built to make a repetitive job faster without adding unnecessary features.
Frequently Asked Questions
Is the Case Converter free?
Yes. The Case Converter is free to use and does not require an account.
What text formats can I create?
The tool supports lowercase, UPPERCASE, Title Case, Sentence Case, camelCase, PascalCase, snake_case, kebab-case, and SCREAMING_SNAKE_CASE.
Can I use the Case Converter for WordPress slugs?
Yes. Choose kebab-case to turn ordinary words into a lowercase, hyphen-separated format commonly used for WordPress URL slugs.
What is the difference between camelCase and PascalCase?
camelCase begins with a lowercase word and capitalizes the words that follow. PascalCase also joins the words together, but capitalizes the first word.
Does snake_case remove punctuation?
The converter cleans punctuation and repeated separators when creating identifier-style formats such as snake_case and kebab-case.
Can I undo a conversion?
Yes. The tool includes Undo and Redo controls for moving between recent conversions.
Does the tool change my original text?
Your original text remains in the input box while the converted version appears separately in the output box.
Is my text uploaded to a server?
The case conversion itself takes place directly in your browser. The tool does not require an external API to process your text.
Do I need to install anything?
No. The Case Converter works in a modern web browser without installing additional software.
Need Help?
Found a problem or have an idea for another useful tool? Visit the Mike’s Helpers support page.