Case Converter
NewPopularConvert text between uppercase, camelCase, snake_case, kebab-case and more in real time.
uppercase
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lowercase
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titleCase
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sentenceCase
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camelCase
Copyundefined
pascalCase
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snake case
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kebab case
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constant case
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dot case
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path case
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About Case Converter
Case Converter transforms text across writing and coding conventions in real time. It supports uppercase, lowercase, title case, sentence case, camelCase, PascalCase, snake_case, kebab-case, and constant variants for developer workflows. Writers use it for quick headline cleanup, while engineers use it to standardize variable and file naming. The tool interprets mixed input such as spaces, underscores, hyphens, and camel casing, then normalizes all outputs consistently. Since everything runs in-browser, no pasted text leaves your machine, which is useful for private internal notes and code snippets.
Key Features
Multi-Case Conversion
Generate common formatting variants from one input instantly. Outputs update as you type and remain easy to compare.
Developer Naming Support
Includes camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE for code naming conventions. Useful during refactors and API schema work.
Writer-Friendly Styles
Uppercase, lowercase, title case, and sentence case are available for editorial content. This helps quickly normalize headings and product copy.
One-Click Copy per Variant
Each output block has an integrated copy action so you can pick the exact style without extra selection steps.
Selection and Share Support
The currently relevant output is connected to ToolShell output actions and shareable params for collaboration.
Runs Offline After Load
No network calls are required for conversions. You can use it in low-connectivity environments.
How to Use
- 1
Paste your text
Enter a sentence, title, or identifier in the input area. Mixed separators are accepted.
- 2
Review generated variants
Read each case output card to find the required format for your target platform.
- 3
Select your preferred case
Click any card to mark it active and focus on that variant.
- 4
Copy with one click
Use the copy button in the relevant card to place converted text in your clipboard.
- 5
Share pre-filled state
Use the page share action to send a link containing your current input.
Real-World Use Cases
Refactoring Variable Names
A frontend engineer migrates old snake_case API fields to camelCase for a TypeScript app and verifies each transformation quickly.
Content Editing Workflow
A copywriter prepares headline variants in title case and sentence case before publishing to different channels.
Design System Tokens
A UI developer converts token labels into kebab-case for CSS custom properties and constant case for JS exports.
Frequently Asked Questions
Related Free Tools
Explore these tools that work great alongside Case Converter:
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Generate themed placeholder text by paragraphs, sentences, words, or bytes.
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