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JSON formatter
↗Pretty-print, minify and validate JSON in your browser — nothing leaves your machine.
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Aa
Text tool
Case converter
Switch text between upper, lower, title and sentence case instantly.
No files needed100% local · no upload
Guide
How to convert case converter
Paste your text
Type or paste the text you want to change.
Pick a case mode
Choose UPPER, lower, Title Case or sentence case.
Copy the result
Copy the converted text into your document or code.
Frequently asked questions
Which case styles are supported?
Uppercase, lowercase, title case (each word capitalised) and sentence case.
Does it handle non-Latin text?
Yes — case changes only affect letters that have case; CJK and other scripts pass through untouched.
Is my text uploaded?
No — this tool runs entirely in your browser.
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