Inverse Case Converter
Instantly reverse the casing of every letter in your text. If a letter is uppercase, it becomes lowercase, and if it's lowercase, it becomes uppercase.
Last reviewed: 2026-07-23
Processed locally in your browser. Nothing is sent to a server.
Character count: 0 · Word count: 0 · Line count: 0
How to use
- Paste your text into the input field.
- Watch the casing invert instantly.
- Copy the swapped text.
Examples
Swap casing
Input
Hello World
Output
hELLO wORLD
Fixing Caps Lock errors
If you accidentally typed a long sentence with Caps Lock on while holding shift for the first letter, your text will look lIKE tHIS. The inverse case tool fixes this error instantly without requiring you to retype the entire passage.
Frequently asked questions
Is my text uploaded?+
No. This tool processes your text locally in your browser.
Related guides
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