CASE CONVERTER
Transform text between 12 different case formats instantly
Everything runs locally in your browser. Your data never leaves your device - no uploads, no servers, no tracking.
All processing happens directly on your machine using JavaScript. Close the tab and everything is gone. We literally never see your data.
Select case format
Conversion analytics
Enter text
Type or paste your text to convert
Pick format
Choose from 12 different case styles
Copy result
One-click copy to use anywhere
Why use our Case converter?
The most versatile text case transformation tool online
12 case formats
From simple uppercase to specialized formats like camelCase and snake_case for developers.
Fullscreen mode
Complete distraction-free editor with synchronized input and output areas. Perfect for working with large texts.
Multiple file formats
Upload TXT, MD, CSV, JSON, TSV, HTML, XML, CSS, JS, SQL, DOCX, ODT, and LOG files. Export your converted text as TXT, MD, or DOCX documents.
Developer friendly
Perfect for converting variable names, constants, and code formatting conventions.
Export options
Copy to clipboard with one click or download your converted text as TXT, MD or DOCX file.
Changed character tracking
See exactly how many characters changed during conversion. Perfect for understanding transformation impact.
Frequently Asked Questions
Everything you need to know about case conversion
What is a case converter?
A case converter is a tool that transforms text between different letter case formats like uppercase, lowercase, title case, camelCase, and more. It's essential for developers, writers, and content creators.
What case formats does this tool support?
Our tool supports 12 different formats including UPPERCASE, lowercase, Title Case, Sentence case, aLtErNaTiNg CaSe, CamelCase, snake_case, kebab-case, PascalCase, dot.case, CONSTANT_CASE, and Space Cleaner.
Is the text conversion instant?
Yes! The conversion happens instantly as you type or select different case formats. Everything runs locally in your browser for maximum speed and privacy.
Can I convert multiple formats at once?
You can quickly switch between all 12 formats with a single click. The tool remembers your text, so you can try different formats without re-typing.
Is my text data stored anywhere?
No. All processing happens locally in your browser. Your text never leaves your device and we don't store any data on our servers.
Can I download the converted text?
Yes! You can upload TXT, MD, CSV, JSON, TSV, HTML, XML, CSS, JS, SQL, DOCX, ODT, and LOG files. Export your converted text as TXT, MD, or DOCX file, or copy it directly to your clipboard with one click.
Does it work on mobile devices?
Absolutely! The tool is fully responsive and optimized for mobile devices with touch-friendly controls and auto-conversion enabled by default.