Text Case Converter
Text styles
Developer styles
Each line is converted separately, and punctuation is removed.
Introduction
Use this free case converter to change text between uppercase, lowercase, sentence case, title case, camelCase, snake_case and more. Paste your text, pick a style, then copy the result. Everything happens in your browser, so your text is never uploaded.
How to use
- Type or paste your text in the first box.
- Click the style you want. The result appears below.
- Keep editing the original text and the result updates automatically.
- Click Copy result, or Use result as input to try another style on it.
FAQs
- What is the difference between title case and capitalize each word? Title Case keeps small words like “of” and “the” lowercase. Capitalize Each Word capitalizes every word.
- What is sentence case? It capitalizes the first letter of each sentence and makes the rest lowercase.
- When do I use camelCase, snake_case or kebab-case? They are naming styles for code, file names and URLs, and each language or project has its own preference.
- Is my text saved or sent anywhere? No, it stays in your browser.
- Why did my acronyms change? Some styles lowercase everything first. Fix acronyms and names manually afterward.
What Is a Text Case Converter?
A text case converter is an online tool that changes the capitalization or naming format of text without requiring you to rewrite it manually. It is useful when editing documents, preparing headings, formatting social media posts or adjusting variable names in programming projects.
Instead of changing every letter yourself, paste your text into the converter, select a case style and copy the result. This can save time when working with long paragraphs, lists, titles or blocks of text.
Different Types of Text Case Explained
Different writing tasks require different capitalization styles. Understanding each option helps you choose the right format for your content.
UPPERCASE: Converts letters to capital letters. It can be useful for short labels, headings and emphasis.
lowercase: Converts letters to small letters. It is useful when text needs consistent lowercase formatting.
Sentence case: Capitalizes the beginning of sentences while keeping the remaining text in lowercase according to the converter’s rules.
Title Case: Capitalizes important words in a title while leaving certain small words lowercase, depending on the title-case rules used.
Capitalize Each Word: Capitalizes the first letter of each word. This differs from traditional title case because small words may also be capitalized.
camelCase: Joins words without spaces and capitalizes the beginning of each word except the first, such as
myExampleText.snake_case: Joins words using underscores, such as
my_example_text.kebab-case: Joins words using hyphens, such as
my-example-text.
The exact output can vary depending on the converter’s rules, punctuation and the text you enter.
When Should You Use a Text Case Converter?
A text case converter can help with many everyday writing and technical tasks:
Blogging and SEO: Format article headings and titles consistently.
Social media: Change captions or short messages to suit your preferred style.
Office documents: Standardise headings, labels and lists.
Programming: Convert identifiers into camelCase or snake_case when appropriate.
File naming: Prepare readable file names and hyphen-separated formats.
Data cleanup: Correct inconsistent capitalization in copied text.
Always follow the formatting guidelines of the platform, organisation or programming language you are working with.
How to Choose the Right Case Style
Choose uppercase for short labels or emphasis, lowercase for consistent small-letter formatting, and sentence case for ordinary sentences. Title case is often used for article titles and headings, although style guides differ on which words should remain lowercase.
For code, follow the conventions of your programming language and project. For example, JavaScript commonly uses camelCase for variables and functions, while Python commonly uses snake_case for variables and functions. These are conventions rather than universal rules, so check your project’s existing style.
Does Changing Text Case Affect Meaning?
Changing letter case usually changes presentation rather than the words themselves. However, capitalization can matter for names, acronyms, brands, abbreviations and certain technical identifiers. Some programming languages also treat uppercase and lowercase letters as different characters in variable names.
After converting text, review names, abbreviations and code carefully. If a converter changes an acronym or a specific brand name, correct it manually before publishing or using the result.
Is This Text Case Converter Free and Private?
The FunnLearnn Text Case Converter is designed to let you transform text directly in your browser without uploading it to a server. This makes it convenient for everyday text formatting. As with any browser tool, avoid entering confidential information unless you have verified how the tool processes and handles your data.
Convert Text Case Online for Free
Use the free FunnLearnn Text Case Converter to format text for articles, emails, headings, social media posts, file names and code. Paste your text, select the required style, review the output and copy the converted result.
Note: Case conversion rules can differ between tools. Always review the final text, especially when working with names, acronyms, specialised terminology or programming code.