Case Converter — UPPER, lower, Title, camelCase Online Free
Convert text to 12 case styles with file upload, toolbar, and instant copy — uppercase, camelCase, snake_case, kebab-case, and more.
Also searched as: text case converter · uppercase converter · camelCase converter · title case generator · snake case converter
Output will appear here…
How to Use
Step-by-step guide to get the most from this tool
- 1
Enter text
Type, paste, or upload a text file.
- 2
Pick a case
Click a case style button to highlight that conversion.
- 3
Copy result
Copy the active conversion or any from the grid.
- 4
Browse all formats
Scroll the grid to see all 12 case variants at once.
Features
What makes this tool stand out
12 case styles
Upper, lower, title, camel, snake, kebab, and more.
File upload
Convert text from uploaded files.
One-click copy
Copy any case variant instantly.
Live preview
All conversions update as you type.
Toolbar
Sample, upload, clear, and char count.
Private
No server processing.
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Frequently Asked Questions
Quick answers to common questions
What is title case?+
Title case capitalizes the first letter of each word. Example: "Hello World From ToolReign".
What is camelCase used for?+
camelCase is common in JavaScript and Java for variables: myVariableName.
What is snake_case?+
snake_case uses underscores between lowercase words — common in Python and databases.
Can I convert multiple cases at once?+
Yes. All 12 case styles are shown — pick one or copy any from the grid.
Can I upload a file?+
Yes. Use Upload file in the toolbar to convert text from .txt, .md, or other text files.
What is CONSTANT_CASE?+
All uppercase with underscores — used for constants in many languages.
What is kebab-case?+
Lowercase words separated by hyphens — common in URLs and CSS classes.
Is my text private?+
Yes. Conversion runs entirely in your browser.