InVeRsE CaSe Converter
Invert the case of every letter in your text. Uppercase letters become lowercase and lowercase letters become uppercase.
This inverse case helps you transform text quickly for writing, code, spreadsheets, CMS fields, and everyday cleanup. It supports plain text and is ideal for flip uppercase and lowercase letters in pasted text, reverse accidental caps lock patterns and create quick toggle-case text variations.
Unlike other tools, ConvertWiki focuses on speed, simplicity, and privacy. Your files are processed quickly and are not stored on any server.
You can use this tool for:
- Flip uppercase and lowercase letters in pasted text
- Reverse accidental caps lock patterns
- Create quick toggle-case text variations
How to use this tool:
- Upload your file or paste your content into the tool.
- The tool will automatically process it in your browser.
- Copy the result or download the output file.
Why use ConvertWiki?
InVeRsE CaSe for text cleanup
InVeRsE CaSe gives you a focused way to transform pasted text without opening a word processor or spreadsheet.
The output is useful for writing, code identifiers, CMS fields, filenames, forms, spreadsheet cleanup, and quick publishing workflows.
Use it to
- Flip uppercase and lowercase letters in pasted text
- Reverse accidental caps lock patterns
- Create quick toggle-case text variations
Frequently Asked Questions
Inverse case (also called toggle case) flips the case of each letter — A becomes a, b becomes B, and so on throughout your text.
No. All processing is done in your browser.
Yes, it is completely free with no signup required.