Case Changer — Online Text Capitalisation Tool
Paste any text and change its capitalisation with a single click — UPPERCASE, lowercase, Title Case, Sentence case, aLtErNaTiNg CaSe, or iNVERSE cASE. Useful for fixing accidental CAPS LOCK input, decapitalising shouty text, or formatting titles and headings. Runs entirely in your browser; no signup, no upload.
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How to use the case changer
- Paste your text into the editor above (or use the Paste button to read from your clipboard).
- Click one of the case buttons — UPPERCASE, lowercase, Title Case, Sentence case, aLtErNaTiNg or iNVERSE.
- Click Copy to copy the re-cased result. Use Undo to step back to the previous case.
When you'd use each case
- UPPERCASE — emphasis, file extensions, programming constants. (A–Z)
- lowercase — decapitalising shouty text, normalising URLs and tags. (a–z)
- Title Case — article titles, book chapters, slide headings.
- Sentence case — fixing all-caps prose back to normal sentences.
- aLtErNaTiNg CaSe — stylised social posts and mocking quotes.
- iNVERSE cASE — quickly flipping text typed with the wrong case key.
Frequently Asked Questions
- What does a case changer do?
- It rewrites the capitalisation of your text without changing the words. The same text can be switched between UPPERCASE, lowercase, Title Case, Sentence case, and stylised variants.
- Is this case changer free?
- Yes — no signup, no rate limits, no ads inside the editor. Everything runs in your browser.
- Can I change case without losing punctuation?
- Yes. Only letter case is modified; punctuation, numbers, whitespace, and emoji are preserved unchanged.
- How do I decapitalize text online?
- Paste the text, click lowercase. Every letter becomes a small letter at once.