Case Converter —
UPPERCASE, lowercase, Title Case & More Free
Free case converter by Bajrange Mitra. Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case & more — instantly. Copy to clipboard. No signup needed.
💻 Developer Case Guide
camelCase — JS variables, JSONPascalCase — Classes, Componentssnake_case — Python, SQL, Rubykebab-case — CSS classes, URLsCONSTANT_CASE — ENV vars, constantsdot.case — Config files, i18npath/case — File system paths📝 Writing Case Guide
🔗 More Free Tools
What is a Case Converter?
A case converter is a free online text tool that instantly converts any text into different letter cases — UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case and more. Our free case converter by Bajrange Mitra supports 16 different case types including developer-specific formats, with real-time conversion and 1-click copy to clipboard. No signup, no payment needed.
Whether you are a writer who needs quick text formatting, a developer converting variable names, or a student fixing accidental caps lock — our online case converter handles every use case instantly and accurately.
Why Use Our Text Case Converter?
Real-time Conversion
Text converts instantly as you click any case button — no page reload, no waiting. All 16 cases update live.
Developer Cases
camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE — all programmer-friendly formats in one tool.
All Cases at Once
See all case conversions in one table — compare and pick the right format without switching between tools.
Copy to Clipboard
Copy individual results or all cases at once. Paste directly into your code, document or message.
Word & Char Count
See live word, character and sentence count as you type — no need to switch to a separate word counter tool.
Mobile Friendly
Works on any device — mobile, tablet or desktop. No app download needed. Use directly in your browser.
Frequently Asked Questions About Case Converter
Hamare free case converter ka use karna bahut simple hai:
Step 1 — Text Enter Karein: Upar text area mein apna text type karein ya paste karein (Ctrl+V). “Paste” button se clipboard se directly text load kar sakte hain.
Step 2 — Case Select Karein: Neeche jo bhi case chahiye uska button click karein — jaise UPPERCASE, Title Case, camelCase, snake_case etc. Text instantly convert ho jaayega.
Step 3 — Copy Karein: “Copy Result” button click karein — converted text clipboard mein aa jaayega. Phir kahi bhi paste karein.
All Cases Table: Jab aap text enter karte hain, neeche ek table automatically generate hota hai jisme saare 16 case types ka result ek saath dikhai deta hai. Har row ke side mein individual copy button bhi hai.
Quick Examples: Agar sirf test karna hai toh “Quick Examples” section ke chips click karein — pre-loaded text aa jaayega aur aap immediately different cases dekh sakte hain.
Yeh dono alag hain — confuse mat karein:
UPPERCASE: Text ke har ek letter capital ho jaata hai — chaahe woh word ka pehla letter ho ya beech mein:
Input: hello world → Output: HELLO WORLD
Title Case: Har word ka pehla letter capital hota hai, baaki lowercase:
Input: hello world → Output: Hello World
Sentence Case: Sirf pehle sentence ka pehla letter capital hota hai, baaki sab lowercase:
Input: HELLO WORLD. HOW ARE YOU. → Output: Hello world. How are you.
Capitalized: Title Case jaisa hi hai — har word ka pehla letter capital. Fark yeh hai ki Capitalized mode articles (a, an, the) aur prepositions ko bhi capitalize karta hai jabki proper Title Case unhe lowercase rakhta hai.
Kab kya use karein:
- UPPERCASE: Headings, banners, important alerts, abbreviations (NASA, HTML)
- Title Case: Book titles, movie names, article headings, blog post titles
- Sentence Case: Normal writing, emails, social media posts, paragraphs
- Capitalized: Formal document headings, product names
Yeh teen developer-specific naming conventions hain jo programming mein extensively use hoti hain:
camelCase:
- Pehla word lowercase, baaki words ka pehla letter uppercase
- Example:
myVariableName,getUserData,firstName - Use kahan: JavaScript variables, functions, JSON keys, Java methods, Swift variables
PascalCase (UpperCamelCase):
- Har word ka pehla letter uppercase — pehla word bhi
- Example:
MyClassName,UserProfile,GetUserData - Use kahan: Class names (Java, C#, Python), React components, TypeScript interfaces, C# methods
snake_case:
- Saare words lowercase, underscore (_) se separated
- Example:
my_variable_name,get_user_data,first_name - Use kahan: Python variables/functions, Ruby, SQL column names, database fields, file names
kebab-case:
- Saare words lowercase, hyphen (-) se separated
- Example:
my-class-name,user-profile,get-user-data - Use kahan: CSS class names, HTML attributes, URLs, file names, npm package names
CONSTANT_CASE (SCREAMING_SNAKE_CASE):
- Saare letters uppercase, underscore se separated
- Example:
MAX_VALUE,API_KEY,DATABASE_URL - Use kahan: Constants, environment variables, configuration keys, enums
Yeh dono fun/creative cases hain jo mostly social media aur memes mein use hoti hain:
Toggle Case (tOGGLE cASE):
Har existing letter ki case flip ho jaati hai — jo uppercase tha woh lowercase ho jaata hai, jo lowercase tha woh uppercase:
Input: Hello World → Output: hELLO wORLD
Input: BAJRANGE MITRA → Output: bajrange mitra
Alternate Case (aLtErNaTe CaSe):
Letters alternately uppercase aur lowercase hote hain — pehla lowercase, doosra uppercase, teesra lowercase…
Input: hello world → Output: hElLo WoRlD
Studly Caps / Mock Case:
Random uppercase aur lowercase mix hota hai — sarcastic ya mocking tone ke liye popular:
Input: hello world → Output: HeLlO WoRlD
Kab use karein:
- Social media par funny ya sarcastic posts ke liye
- “Mocking SpongeBob” meme format ke liye alternate case popular hai
- Creative username generation ke liye
- Artistic typography projects ke liye
- Toggle case useful hai jab accidentally Caps Lock on tha aur poora text galat case mein type ho gaya — ek click mein fix ho jaata hai
Blog post titles, article headings aur SEO ke liye case selection important hai:
Title Case — Most Recommended for Blog Titles:
English blogs ke liye Title Case standard practice hai. Example:
How to Fix Broken Links on Your Website
Major words capitalize hote hain, small words (a, an, the, in, on, at, for, but, or) lowercase rehte hain.
Sentence Case — Modern & Clean:
Bahut saari modern blogs aur publications (Medium, HubSpot) Sentence case use karti hain:
How to fix broken links on your website
Yeh zyada natural aur readable lagta hai.
SEO ke liye kya better hai?
Google ka koi official preference nahi hai Title Case ya Sentence Case ke beech. Lekin kuch important points:
- Consistency important hai — apni poori website par ek hi style follow karo
- Meta title mein usually Title Case ya Sentence Case use hoti hai — UPPERCASE avoid karo
- H1, H2 headings mein Title Case ya Sentence Case dono acceptable hain
- URL slugs mein hamesha
kebab-caseuse karo —/how-to-fix-broken-links/
Hamare case converter mein Title Case aur Sentence Case buttons se apna heading paste karo aur dono versions compare karo — jo better lage woh use karo.
Yeh do developer cases hain jo specific contexts mein use hoti hain:
dot.case:
Words dots (.) se separated hote hain, sab lowercase:
Input: user profile data → Output: user.profile.data
Kahan use hoti hai:
- Configuration files:
app.config.js,database.host,server.port - i18n / Internationalization: Translation keys jaise
error.not.found,button.submit.text - Java properties files:
spring.datasource.url - Logging namespaces:
app.module.service - Object property access notation: JSON path references
path/case:
Words forward slash (/) se separated hote hain, sab lowercase:
Input: user profile image → Output: user/profile/image
Kahan use hoti hai:
- File system paths:
src/components/user,assets/images/logo - API endpoints:
/api/user/profile - Import statements:
import from 'utils/helpers' - Docker/Kubernetes paths: Container file paths
Hamare tool mein yeh dono cases “Developer Cases” section mein milenge — apna variable ya key name paste karo aur instantly sahi format mein convert karo.
Yeh bahut common problem hai! Caps Lock on hone par poora text CAPITALS mein type ho jaata hai. Hamare case converter se 2 seconds mein fix karo:
Solution 1 — Toggle Case use karein:
Agar text kuch aisa tha: hELLO, I AM wRITING AN eMAIL
Toggle Case click karo: Hello, i am Writing an Email
Phir Sentence Case click karo: Hello, i am writing an email
Solution 2 — Sentence Case directly:
Agar pure CAPS mein hai: HELLO, I AM WRITING AN EMAIL TODAY.
Sentence Case click karo: Hello, i am writing an email today.
Step by step:
- Galat case wala text copy karo
- Hamare case converter mein paste karo
- Suitable case button click karo
- “Copy Result” click karo
- Original jagah paste karo
Bas! 10 seconds mein poora text fix. Yeh Word Counter se bhi fast hai aur zyada accurate bhi — kyunki Word mein “Change Case” feature limited cases support karta hai jabki hamar tool 16 cases support karta hai.
🔗 Useful Text & Developer Resources
📋 CSS text-transform 🐍 Python PEP 8 Style 📖 Google JS Style Guide 📝 Title Case Rules ✍️ Capitalization RulesMore Free Tools by Bajrange Mitra
50+ free tools — no signup, no payment, use directly in browser:
Free online image, PDF, text and SEO tools by Bajrange Mitra. No registration, no payment. 50+ tools directly in your browser.