TEXT CASE CONVERTER
Convert text between 16 formats with batch view, line operations, advanced stats, find & replace, and history — all in your browser.
Input
Output
Frequently Asked Questions
Is my data saved between sessions?
Can I lose my data?
Does this work offline?
Is my data private?
What text case formats are supported?
Does the converter work in real time?
Can I swap input and output?
Is my text sent to a server?
How to Use
Type or Paste Text
Enter your text into the input area. The output updates automatically as you type.
Select a Format
Click any case format button (UPPER, lower, Title, etc.) to apply it instantly.
Copy the Result
Click Copy to save the converted text to your clipboard, or use Swap to continue editing.
How to Calculate
Conversion applies locale-aware rules per mode: upper, lower, sentence, title (APA), plus camelCase, snake_case, and kebab-case for code. Bulk mode converts line by line.
About the Text Case Converter
The Text Case Converter is a fast, privacy-first tool that transforms text between 10 different case formats. Whether you need to fix inconsistent capitalization in a document, generate camelCase variable names for code, or convert headings to Title Case for SEO, this tool handles it instantly in your browser.
All processing is done client-side using JavaScript — no text is sent to any server, no data is stored or tracked. The tool is free, requires no sign-up, and works offline after the initial page load.
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Methodology & feedback
Figures run locally in your browser from the values you enter (page updated ). Estimates are educational only — verify finance, tax and health decisions with a qualified professional (see Disclaimer). Spotted an error? Report it via contact and we correct with a new update date.