Skip to content
Case Converters

iNVERSE Case Converter

Swap the case of every letter: capitals become small and small letters become capitals. Fix text typed with Caps Lock on by mistake.

Something not working? Report a problem

What is the iNVERSE Case Converter?

Inverse case flips every letter. "Hello World" becomes "hELLO wORLD". It is also called toggle case or swap case.

It is the quickest fix when you typed a whole sentence with Caps Lock turned on by mistake, because the text comes out as it should have been.

How to use it

  1. Type or paste your text in the left box.
  2. The result shows on the right as you type. Capitals turn small, small letters turn capital.
  3. Press Copy or Save to take the text away.

Why people like this tool

Swap every letter

Capital becomes small and back.

Fixes Caps Lock

Repair text typed the wrong way round.

Keeps the rest

Numbers and signs do not change.

Free and private

Runs in your browser only.

How it works, in one picture

Infographic: how to use the iNVERSE Case Converter in 3 easy steps: Add your text, Choose your options and Copy the result. You get: Swap every letter, Fixes Caps Lock, Keeps the rest and Free and private.

Frequently asked questions

What does inverse case do?
It changes each capital letter to a small letter and each small letter to a capital letter.
Can I use it to fix Caps Lock mistakes?
Yes. If you typed "hELLO" with Caps Lock on, this tool turns it into "Hello".
What if I only want everything small?
Use our Lowercase Converter instead.

You may also like