Transform Text by Karl Horning
Right-click any selected text to transform it — change case, escape newlines, and more.
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About this extension
Transform Text brings Safari's text transformation feature to your browser. Select any text in an editable field, right-click, and choose from 13 transformations instantly — no copy-pasting, no switching tabs.
Transformations include:
- Escape / Unescape Newlines
- Uppercase / Lowercase
- snake_case, kebab-case, PascalCase, camelCase
- Sentence case, MLA Title Case, AP Title Case
- Sarcastic SpongeBob
- Trim Whitespace
Works in any editable field, including inputs, text areas, and content-editable elements.
Open source: https://github.com/Karl-Horning/transform-text-extension
Transformations include:
- Escape / Unescape Newlines
- Uppercase / Lowercase
- snake_case, kebab-case, PascalCase, camelCase
- Sentence case, MLA Title Case, AP Title Case
- Sarcastic SpongeBob
- Trim Whitespace
Works in any editable field, including inputs, text areas, and content-editable elements.
Open source: https://github.com/Karl-Horning/transform-text-extension
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More information
- Add-on Links
- Version
- 1.1.0
- Size
- 13.57 KB
- Last updated
- 6 days ago (Mar 31, 2026)
- Related Categories
- License
- MIT License
- Version History
- Add to collection
The developer of this extension asks that you help support its continued development by making a small contribution.
https://github.com/Karl-Horning/transform-text-extension/issues
Known limitations:
text areas — selected text in non-editable elements such as
paragraphs and headings cannot be replaced
in all contexts due to a browser limitation where selectionText
strips newlines from selected text
web applications that manage their own editor state, such as
Copilot and Gemini