Text Tools
Case Converter
Convert text between sentence, title, upper, lower, and more.
What this tool does
Pasted a paragraph in ALL CAPS by mistake? Need to convert a headline to Title Case for AP style? The Case Converter handles all common cases — sentence, lower, UPPER, Title, aLtErNaTiNg, and inverse — in one click.
Why it matters
Case Converter saves you time and removes guesswork from everyday text tools work. Six conversion modes — and because everything runs in your browser, your data stays private and results are instant.
- Six conversion modes
- Live preview
- Handles huge documents
How to use
- Paste your text.
- Click the case you want.
- Copy the result.
Example output
Your input text, transformed and ready to copy: [ cleaned / formatted / counted output appears here ]
Real-world use cases
- • Editors fixing formatting
- • Students cleaning notes
- • Marketers prepping headlines
Tips & best practices
- • Title case capitalizes major words only
- • Sentence case capitalizes the first word and proper nouns
- • Use inverse case to spot-check casing errors
Frequently asked questions
Does it handle non-English text?
Yes — it uses Unicode-aware case mapping.
Will it preserve line breaks?
Yes, formatting is preserved.
Is there a length limit?
Practically no, though very large documents may slow the browser.
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