Case Converter & Text Formatter
17 StylesSelect Conversion Style
17 OptionsLive Case Matrix
(17 styles)Casing Conventions in Software Development & Publishing
Case conventions define readability across programming languages, databases, web protocols, and publishing style guides. Because compilers and URL parsers reject raw whitespace in identifiers, distinct delimiter schemes have evolved across language ecosystems.
| Style Name | Output Example | Primary Usage & Language Standards |
|---|---|---|
| Sentence case | The quick brown fox jumps. | Articles, documentation prose, UI error messages, user feedback |
| lower case | the quick brown fox jumps | Clearing accidental caps lock, normalizing search query tokens |
| UPPER CASE | THE QUICK BROWN FOX JUMPS | Headlines, legal disclaimers, SQL reserved keywords (SELECT, FROM) |
| Title Case | The Quick Brown Fox Jumps Over the Dog | Book titles, blog headlines, navigation menus (Chicago/APA style) |
| Capitalized Case | The Quick Brown Fox Jumps Over The Dog | Capitalizes every word unconditionally regardless of parts of speech |
| camelCase | userAccountProfile | JavaScript, TypeScript, Java variables and object properties |
| PascalCase | UserAccountProfile | React components, TypeScript interfaces, C# classes |
| snake_case | user_account_profile | Python variables, PostgreSQL column names, Ruby methods |
| CONSTANT_CASE | USER_ACCOUNT_PROFILE | Global constants, environment variables, Redux action types |
| kebab-case | user-account-profile | CSS classes, HTML attributes, REST endpoint path segments |
| SCREAMING-KEBAB | USER-ACCOUNT-PROFILE | COBOL variables, Lisp global variables |
| dot.case | user.account.profile | Configuration property hierarchies, logging keys, metrics namespaces |
| path/case | user/account/profile | Filesystem paths, module import references, URL paths |
| Train-Case | User-Account-Profile | HTTP header names (Content-Type, User-Agent, Cache-Control) |
| slugify-url | the-quick-brown-fox-jumps | SEO friendly URLs, blog post permalinks with accents stripped |
| aLtErNaTiNg cAsE | tHe qUiCk bRoWn fOx | Informal internet discourse, meme capitalization (Mocking SpongeBob) |
| toggle case | tHE QUICK BROWN FOX | Inverts letter capitalization to recover text typed with accidental caps lock |
How to Convert Small Letters to Capital in Excel & Google Sheets
Spreadsheet applications like Microsoft Excel, Google Sheets, and LibreOffice Calc lack a one-click case converter toolbar icon. Instead, capitalization transformations are handled through cell functions:
=UPPER(A1)Converts all letters in cell A1 to capitals.
=PROPER(A1)Capitalizes the first letter of every word in cell A1.
=LOWER(A1)Converts all characters in cell A1 to small letters.
=UPPER(LEFT(A1,1)) & LOWER(RIGHT(A1,LEN(A1)-1))Capitalizes only the very first letter of cell A1.
Tip: You can also paste your Excel column directly into PrivaUtils, click any conversion style, and copy the formatted result back into Excel.
Why Programming Casing Replaces Spaces
In code compilers and interpreters, spaces indicate argument boundaries or syntactic separation. Variable names like user account cause syntax errors. Identifier conventions resolve this issue:
- camelCase and PascalCase: Strip spaces and indicate word boundaries by capitalizing subsequent letters.
- snake_case and CONSTANT_CASE: Replace spaces with underscores (
_). - kebab-case and slugify: Replace spaces with hyphens (
-).
If you need to retain spaces between words while capitalizing (e.g. for article headlines or inventory items), use Sentence case, Title Case, or Capitalized Case. Alternatively, enable Preserve Original Space Tokens in Settings.
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