Quick start
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Enter text
Spaces, underscores, hyphens, or mixed camelCase work.
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Pick style
Click snake, camel, kebab, etc. for instant conversion.
Case Converter
Type words or phrases and switch between common naming styles. No more hand-editing variable names.
Privacy: processed locally, never uploaded.
↓ Paste in the input area below to see results instantly
Enter your text
Pick a naming style for instant conversion，variables, constants, titles.
Output
snake_case
hello_towalles_tools
Notes
Naming styles · snake_case
snake_case is common in Python and DB columns.
Type words or phrases and switch between common naming styles. No more hand-editing variable names.
Choosing a style
camelCase for JS/TS; snake_case for Python/DB; kebab-case for URLs/CSS.
Typical Workflow
When you need to quickly switch variable naming styles while coding, simply paste the original text into the input box. The tool automatically detects the current style and provides conversions to other formats. You can directly copy the target style, saving time on manual modifications. This workflow is particularly useful when refactoring code or working with APIs that follow different naming conventions.
For beginners, we recommend experimenting by converting the same phrase into various styles to observe the differences. For example, converting 'userName' to both snake_case and kebab-case helps visually understand naming conventions across different teams and languages. The tool's instant feedback is more efficient than consulting documentation.
Privacy & Data Handling
All conversions are performed locally in your browser - no input is ever uploaded to servers. History is automatically cleared when you close the page. This means you can safely process sensitive variable names or business-critical fields without worrying about data leaks.
Examples
Example
Input
hello world
Output
hello_world (snake)
FAQ
How about CJK?
CJK is preserved; conversion focuses on English word boundaries.
Which programming language naming styles does the tool support?
Supports camelCase, snake_case, kebab-case, PascalCase, CONSTANT, and more; CJK is preserved. Special characters are handled automatically, but check your target language rules.