Case Converter
Convert text case formats, supporting uppercase, lowercase, camelCase, snake_case and more.
Case Converter - Input Text
Case Converter Tool Guide
Case Converter is a free online tool that quickly converts text case formats. Supports uppercase, lowercase, capitalize, title case, camelCase, snake_case, kebab-case, alternating case and more conversion modes. Real-time conversion with instant results. All processing is done locally in your browser, text is never uploaded to the server, fully protecting your privacy and data security.
Multiple conversion modes to meet different needs
100% local processing, privacy and security
Real-time conversion with instant feedback
Tool Features
Multiple Conversion Mode Support
Supports 8 common case conversion modes: UPPERCASE, lowercase, Capitalize, Title Case, camelCase, snake_case, kebab-case, and aLtErNaTiNg. Each mode has clear button labels for one-click switching. Real-time text conversion, displaying results immediately after input.
Smart Format Recognition and Conversion
The tool intelligently recognizes and converts text in different formats. For camelCase and snake_case formats, it correctly identifies word boundaries and performs conversions. Supports converting from one format to another, such as from camelCase to snake_case, or from snake_case to camelCase. The conversion process maintains text readability without losing important information.
Convenient Operations and Result Copying
Provides clear input and output areas, supports large text conversion. Conversion results are displayed in real-time in the output area for easy viewing and comparison. Supports one-click copying of conversion results for use in other purposes. Provides swap function to quickly use output as new input for multiple conversions. Provides clear function to quickly reset input and output areas.
How to Use
- 1
Enter or Paste Text
Enter or paste the text you want to convert in the input area. The tool supports various text formats, including plain text, code, variable names, etc. Text conversion is automatically triggered after input, no button clicking required.
- 2
Select Conversion Mode
Select the conversion mode you need in the conversion options area. Available modes include: uppercase, lowercase, capitalize, title case, camelCase, snake_case, kebab-case, alternating case. Click the corresponding button to switch conversion modes, and the conversion results will be displayed immediately in the output area.
- 3
Copy Results or Continue Converting
After conversion is complete, you can click the "Copy" button to copy the conversion result, or click the "Swap" button to use the output as new input for continued conversion. If you need to start over, click the "Clear" button to clear input and output content.
Frequently Asked Questions
What conversion formats are supported?
The tool supports 8 common conversion formats: uppercase, lowercase, capitalize, title case, camelCase, snake_case, kebab-case, and alternating case. You can choose the appropriate conversion mode as needed.
Will my text be uploaded to the server?
No, all processing is done in your browser. Your text content never leaves your device, fully protecting your privacy.
Can I convert code variable names?
Yes, the tool is especially suitable for converting code variable names. For example, you can convert camelCase variable names to snake_case, or snake_case to camelCase. The tool intelligently recognizes word boundaries to ensure accurate conversion results.
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