Text Case Converter
Convert text between different cases instantly. Transform your text to uppercase, lowercase, title case, camelCase, snake_case, and more. Perfect for developers, writers, and content creators.
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When to Use Different Cases
- Title Case: Headlines, article titles, and headings
- Sentence case: Standard writing, social media posts
- camelCase: JavaScript/Java variables and functions
- PascalCase: Class names in programming
- snake_case: Python, Ruby variables and file names
- kebab-case: URLs, CSS classes, file names
- CONSTANT_CASE: Constants and environment variables
Converted Results
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What is Text Case Conversion?
Text case conversion is the process of transforming text from one capitalization style to another. Different writing contexts require different capitalization conventions—from formal title case in headlines to technical naming conventions like camelCase in programming.
⚡ Instant Conversion
Convert text to 11 different case formats in real-time without any manual editing
🎯 Use Cases
Perfect for developers, writers, content creators, and anyone working with text formatting
💡 Pro Tip
Consistent text casing improves code readability, SEO-friendly URLs, and professional content presentation. Each programming language and style guide has its own conventions—use the right case for the right context.
Text Case Types Explained
UPPERCASE
All characters converted to capital letters. Often used for emphasis, headings, or constants in programming.
lowercase
All characters converted to small letters. Common in URLs, email addresses, and hashtags.
Title Case
First letter of each word capitalized. Standard for headlines, book titles, and article headings.
Sentence case
First letter of sentences capitalized. Standard for regular writing and most body text.
camelCase
First word lowercase, subsequent words capitalized, no spaces. Standard for JavaScript, Java, and Swift variables.
PascalCase
All words capitalized, no spaces. Used for class names in most programming languages.
snake_case
Lowercase with underscores between words. Standard for Python, Ruby variables, and database fields.
kebab-case
Lowercase with hyphens between words. Perfect for URLs, CSS classes, and SEO-friendly slugs.
CONSTANT_CASE
Uppercase with underscores between words. Used for constants and environment variables in most languages.
aLtErNaTiNg cAsE
Alternates between lowercase and uppercase characters. Used for memes, emphasis, or sarcasm online.
InVeRsE CaSe
Swaps the case of each character. Lowercase becomes uppercase and vice versa.
Text Case Conventions by Programming Language
JavaScript
- • camelCase: Variables and functions
- • PascalCase: Classes and React components
- • CONSTANT_CASE: Constants
- • kebab-case: File names (optional)
Python
- • snake_case: Variables, functions, and file names
- • PascalCase: Class names
- • CONSTANT_CASE: Constants
- • lowercase: Module names
Java
- • camelCase: Variables and methods
- • PascalCase: Classes and interfaces
- • CONSTANT_CASE: Constants
- • lowercase: Package names
Ruby
- • snake_case: Variables, methods, and file names
- • PascalCase: Classes and modules
- • CONSTANT_CASE: Constants
- • kebab-case: Gem names
C#
- • PascalCase: Classes, methods, and properties
- • camelCase: Local variables and parameters
- • CONSTANT_CASE: Constants
- • _camelCase: Private fields (with underscore)
Go
- • PascalCase: Exported functions and types
- • camelCase: Unexported functions and variables
- • CONSTANT_CASE: Constants (by convention)
- • snake_case: Package and file names
Text Case Best Practices for SEO
✅ URL Best Practices
- • Use lowercase for all URLs to avoid duplicate content issues
- • Use kebab-case (hyphens) instead of underscores for word separation
- • Keep URLs readable: "your-site.com/text-case-converter" not "your-site.com/TextCaseConverter"
- • Search engines treat hyphens as word separators but underscores as word connectors
📝 Content Title Best Practices
- • Use Title Case for H1 headlines and page titles
- • Use Sentence case for H2-H6 subheadings (modern trend)
- • Avoid ALL CAPS in titles—it can appear aggressive and harm readability
- • Consistent capitalization improves brand perception and professionalism
🔗 Meta Tags & Social Media
- • Use Title Case for meta titles and Open Graph titles
- • Use Sentence case for meta descriptions for natural reading
- • Keep image alt text in natural sentence case
- • Hashtags typically use PascalCase for readability: #TextCaseConverter
Common Text Case Conversion Use Cases
Converting Article Titles
Transform article titles from sentence case to proper Title Case for headlines, blog posts, and marketing materials. Ensures consistency across your content.
Creating SEO-Friendly URLs
Convert any text to lowercase kebab-case for clean, readable URLs. "Text Case Converter Tool" becomes "text-case-converter-tool" for your URL slug.
Formatting Variable Names
Quickly convert descriptive text into proper variable naming conventions for your programming language. "user profile data" becomes "userProfileData" (camelCase) or "user_profile_data" (snake_case).
Cleaning Imported Data
Normalize text data from CSV imports, databases, or user inputs. Convert inconsistent capitalization to a standard format for better data quality.
Creating Social Media Hashtags
Convert phrases to PascalCase for readable hashtags. "seo tools for marketing" becomes "#SeoToolsForMarketing" which is easier to read than "#seotoolsformarketing".
Formatting Environment Variables
Convert configuration names to CONSTANT_CASE for environment variables and config files. "api base url" becomes "API_BASE_URL".
Frequently Asked Questions
What's the difference between camelCase and PascalCase?▼
Both remove spaces and capitalize word boundaries, but camelCase starts with a lowercase letter (e.g., "textCaseConverter") while PascalCase starts with an uppercase letter (e.g., "TextCaseConverter"). In programming, camelCase is typically used for variables and functions, while PascalCase is used for class names and types.
Should I use snake_case or kebab-case for URLs?▼
Always use kebab-case (hyphens) for URLs. Google treats hyphens as word separators, making "text-case-converter" readable as three separate words. Underscores are treated as word connectors, so "text_case_converter" is seen as one long word. Kebab-case is the web standard and best for SEO.
When should I use Title Case vs. Sentence case?▼
Use Title Case for main headlines, article titles, and H1 headings where every major word is capitalized. Use Sentence case for body text, subheadings (H2-H6), and meta descriptions where only the first word and proper nouns are capitalized. Sentence case feels more conversational and is trending in modern web design.
What is CONSTANT_CASE used for?▼
CONSTANT_CASE (all uppercase with underscores) is a programming convention for values that don't change during program execution—constants. Examples include API_KEY, MAX_RETRIES, DATABASE_URL. The uppercase makes it immediately obvious to developers that this value is constant and shouldn't be modified.
Does text case affect SEO rankings?▼
Text case itself doesn't directly affect rankings, but it impacts user experience and click-through rates. Proper Title Case in page titles looks professional and trustworthy. URLs should always be lowercase—mixed case URLs can cause duplicate content issues. Consistent, appropriate casing improves readability, which can indirectly boost engagement metrics and SEO.
Is this tool free to use?▼
Yes! This text case converter is completely free with no limits. Convert as much text as you need, as often as you need. All conversions happen instantly in your browser—no data is sent to any server. Your text stays private and secure on your device.
Tips for Consistent Text Formatting
💼 Professional Communication
Use proper capitalization in emails and business documents. Avoid all caps (shouting) and excessive lowercase (unprofessional). Sentence case with proper nouns capitalized shows attention to detail.
🎨 Brand Consistency
Establish a style guide for your brand. Decide whether product names use PascalCase, Title Case, or a custom format, then stick to it everywhere. Consistency builds brand recognition.
⚙️ Code Quality
Follow your programming language's naming conventions. Use linters and formatters to enforce consistent case styles. Well-formatted code with proper casing is easier to read, maintain, and collaborate on.
📱 Social Media
Use PascalCase for multi-word hashtags (#DigitalMarketing) to improve readability. For regular posts, sentence case feels more authentic and conversational than formal Title Case.