How to Convert Text Case (UPPER, lower, Title, Sentence)

By Daniel · Updated July 2026

Retyping text to change its capitalisation is a waste of time, and fixing a heading that was typed with caps lock on is worse. A case converter fixes it in one click — the only skill is knowing which case a given piece of text should be in.

The cases and where they belong

  • Sentence case — first letter capitalised. Body text, most modern headings.
  • Title Case — Most Words Capitalised. Titles and headlines in many style guides.
  • UPPERCASE — small labels and buttons; avoid for long text, which is harder to read.
  • lowercase — a deliberate stylistic choice, and useful for normalising data like emails.

How to convert

  1. Open the case converter and paste your text.
  2. Pick the case you want.
  3. Copy the result — nothing is uploaded.

Why not just use caps lock

Typing in capitals loses information: once iPhone becomes IPHONE, no tool can reliably restore the original capitalisation of names and brands. Converting from properly typed text keeps that detail, which is why it is better to type normally and convert than to type in caps and try to undo it.

Case Converter
Switch text between UPPER, lower, Title and Sentence case instantly.
Open the tool →

Common questions

What is the difference between Title Case and Sentence case?

Title Case capitalises most words; Sentence case capitalises only the first word (and proper nouns). Headlines often use Title Case, body text uses Sentence case.

Can it fix text I typed in all caps?

It can lowercase it, but it cannot perfectly restore brand names or acronyms, because that information is lost in all-caps.

Does it handle proper nouns automatically?

Basic conversion follows rules, not meaning, so names may need a quick manual check.

Is my text uploaded?

No, conversion happens in your browser.

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