/txtutils

Case Converter

Convert text to UPPERCASE, lowercase, Sentence case, Title Case, or aLtErNaTiNg case instantly. Free online case converter, no signup, runs in your browser.

Try this sample ↓

About the Case Converter

The Case Changer is a free online case converter that instantly transforms your text between UPPERCASE, lowercase, Sentence case, and aLtErNaTiNg case. Paste any text, pick a style, and copy the result — no sign-up, no limits, and nothing is uploaded to a server.

Common use cases

  • Fix shouty text: convert an ALL-CAPS paragraph pasted from an email or PDF back to normal sentence case.
  • Headlines & titles: quickly capitalize the first letter of each word for headings and titles.
  • Data cleanup: normalize inconsistent casing in names, labels, or CSV columns before importing.
  • Social posts: create playful alternating-case text for captions and memes.

How it works

  1. Paste or type your text into the Enter text box.
  2. Click a case button — Uppercase, Lowercase, Sentence case, or Alternating case.
  3. The converted text appears instantly in the result box.
  4. Click Copy to copy it to your clipboard.

Frequently asked questions

Is the case converter free?

Yes. TxtUtils Case Converter is completely free with no sign-up, ads-gate, or usage limits.

What case styles are supported?

UPPERCASE, lowercase, Sentence case, Title Case (capitalize each word), and alternating case.

Is my text uploaded to a server?

No. All conversion happens locally in your browser — your text never leaves your device.

Is there a character limit?

There is no fixed limit; you can paste essays or entire documents and convert them at once.