PascalCaseに変換
テキストをPascalCase形式に変換します。
PascalCaseに変換 の使い方
- 1Paste your text in any format
- 2PascalCase is generated instantly
- 3Copy the result to use as a class name
PascalCaseに変換 について
PascalCase Converter transforms any text into PascalCase format (also called UpperCamelCase), where every word starts with a capital letter and there are no separator characters between words. PascalCase is the standard naming convention for classes, types, interfaces, React components, and enums in TypeScript, C#, Java, and Swift.
The converter detects word boundaries in any input format — plain text with spaces, camelCase, kebab-case, or snake_case — and correctly builds the PascalCase output. For example, "get user profile" becomes "GetUserProfile" and "my-component-name" becomes "MyComponentName".
Conversion happens in real time with no server required. The key distinction from camelCase is that PascalCase always capitalizes the first letter of the first word, making it immediately recognizable as the convention for class and type definitions.
PascalCaseに変換の主な機能
- Converts any text to PascalCase with every word capitalized
- Detects word boundaries in camelCase, kebab-case, snake_case, and plain text
- No separator characters in the output
- Instant real-time conversion as you type
- One-click copy button for the converted result
- Download result as a plain .txt file
- Ideal for generating TypeScript class and interface names
- Runs entirely in-browser with no data transmission
対応フォーマット
入力フォーマット
出力フォーマット
Every word including the first has its first letter capitalized. No separator characters are used in the output.
使用例
Convert a description to a TypeScript class name
Generate a PascalCase class name from a human-readable entity description.
入力
user profile service
出力
UserProfileService
Convert a kebab-case component filename to a React component name
Transform a kebab-case file name into its PascalCase React component name equivalent.
入力
primary-navigation-menu
出力
PrimaryNavigationMenu
主な使用ケース
- Creating TypeScript class and interface names from descriptions
- Naming React and Next.js components following JSX naming conventions
- Generating C# class, struct, and enum names
- Creating Java class names from human-readable descriptions
- Naming Swift types, classes, and struct definitions
- Generating enum value names in TypeScript, C#, and Java
トラブルシューティング
Confusing PascalCase with camelCase
解決策
PascalCase capitalizes the first letter of every word including the very first word. camelCase keeps the first word entirely lowercase. In React, component names must use PascalCase; variable names should use camelCase.
Acronyms like "URL" or "ID" appearing as "Url" or "Id"
解決策
PascalCase treats each word uniformly — only the first letter is capitalized. Acronyms like URL become "Url" and ID becomes "Id". If your codebase convention is to keep acronyms fully capitalized (URLParser), manually fix these in the output.
Expecting spaces to remain between words
解決策
PascalCase has no separator characters between words. All spaces, hyphens, and underscores are removed. The word boundaries are indicated only by the uppercase first letter of each word.
よくある質問
What is the difference between PascalCase and camelCase?
PascalCase capitalizes the first letter of every word, including the first word (UserProfileData). camelCase keeps the first word all lowercase (userProfileData). Use PascalCase for class and type names; use camelCase for variables and function names.
What is PascalCase used for?
PascalCase is used for class names, interface names, type aliases, and enum names in TypeScript, Java, C#, and Swift. In React and Vue.js, component names must be PascalCase to be recognized as custom components in JSX/templates.
What input formats does the converter accept?
The converter accepts plain text with spaces, camelCase (getUserName), kebab-case (get-user-name), snake_case (get_user_name), and Title Case (Get User Name). All word boundaries are automatically detected.
Does it handle acronyms correctly?
The converter treats every word uniformly, capitalizing only the first letter. Acronyms like "URL" in the input become "Url" in PascalCase. If your convention is "URLParser" (all-caps acronym), edit the output manually to match your style guide.
What happens to special characters and punctuation?
Special characters and punctuation are removed or treated as word boundaries. They do not appear in the PascalCase output, which contains only letters and digits.
Is there a length limit?
No. Conversion runs locally in your browser. Text of any length is converted instantly.
Is my text sent to a server?
No. All conversion runs in client-side JavaScript. Your text is never uploaded, stored, or transmitted anywhere.
Why must React component names be in PascalCase?
React uses the capitalization of the component name to distinguish between custom components and native HTML elements. A lowercase name like "myComponent" would be interpreted as an HTML element, causing a rendering error. PascalCase ensures React treats it as a custom component.