Case Converter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more. Free, instant, and private.
Your Text
Apply Case Rules to Hundreds of Files
NameQuick uses AI to batch-rename files with consistent naming conventions. 50 files free.
Text Case Formats Explained
Different text case formats are used across writing, programming, and file naming. Here is when to use each format.
| Format | Example | Common Usage |
|---|---|---|
| UPPERCASE | HELLO WORLD | Headings, acronyms, emphasis |
| lowercase | hello world | Body text, URLs, email |
| Title Case | Hello World | Titles, names, headings |
| Sentence case | Hello world | Regular sentences, UI text |
| camelCase | helloWorld | JavaScript variables, JSON keys |
| PascalCase | HelloWorld | Class names, React components |
| snake_case | hello_world | Python, Ruby, database columns |
| kebab-case | hello-world | URLs, CSS classes, filenames |
| CONSTANT_CASE | HELLO_WORLD | Constants, environment variables |
| dot.case | hello.world | Config files, Java packages |
| path/case | hello/world | File paths, module imports |
How to Use the Case Converter
- 1
Type or paste your text
Enter any text into the input field. The converter handles paragraphs, single words, or lists.
- 2
Select a case format
Click on the case format you need. The output updates instantly as you type or switch formats.
- 3
Copy the result
Click the copy button to copy the converted text to your clipboard. Paste it anywhere you need.
- 4
Use for filenames
Formats like kebab-case and snake_case are ideal for creating clean, consistent filenames for your projects.
Need consistent filenames across hundreds of files?
NameQuick applies naming rules using AI. Files like IMG_4392.pdf become 2026-01-15_Project-Brief_ClientName.pdf.
Case Converter FAQ
Common questions about text case conversion
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