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Case Converter

Switch text between upper, lower, title, sentence and alternating case in one click.

How this works

Pick a case style and the tool rewrites your text instantly: UPPER CASE shouts, lower case whispers, Title Case suits headlines, Sentence case reads naturally.

aLtErNaTiNg case is for playful social posts, while iNVERSE flips every letter’s case — handy for fixing text typed with Caps Lock on.

Frequently Asked Questions

Will it mess up my formatting?

No — line breaks and spacing are preserved; only letter casing changes.

Does Title Case handle names correctly?

It capitalizes the first letter of each word, which suits most headlines. Fine-tune proper nouns by hand.

Is my text uploaded?

No — conversion runs entirely in your browser.

How to use the Case Converter

  1. Paste your text into the box.
  2. Click a case style — the text converts instantly.
  3. Copy the result with one click.

Why use our Case Converter?

  • Six case styles — from professional Title Case to playful aLtErNaTiNg.
  • Instant conversion — one click, no waiting.
  • Formatting preserved — line breaks stay exactly as they were.
  • Private and free — browser-only, no account needed.

About this tool

Rewriting headings in Title Case by hand is tedious and error-prone. Convert any text between UPPERCASE, lowercase, Title Case, Sentence case and aLtErNaTiNg case instantly — a small tool that saves surprising amounts of time.

  • Six one-click case conversions
  • Fixes ALL-CAPS headings in seconds
  • Smart Title Case handles small words correctly