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How to use the case converter
- Type or paste your text into the box.
- Click a button: a letter case, a text style, or a developer format.
- Copy the result or download it as a text file.
Bold, italic, underline and the other styles use Unicode characters instead of formatting, so they stay styled when you paste them into social media bios, comments, chats and documents.
Frequently asked questions
What is a case converter?
A case converter changes the capitalization or style of text, for example from lowercase to UPPERCASE, or to Title Case, camelCase or snake_case.
How do I make text bold, italic or underlined?
Type or paste your text, then click Bold, Italic or Underline. The tool swaps letters for Unicode characters, so the styled text can be pasted into social media bios, posts and chats.
Is my text saved or uploaded?
No. Everything runs in your browser and your text never leaves your device.
Will bold and italic text work everywhere?
It works on most platforms that support Unicode. Some fonts or older apps may show empty boxes for rare styles.