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:

Escaping

Escape / Unescape Newlines

Case

Uppercase / Lowercase
Sentence Case, Start Case, MLA Title Case, AP Title Case

Code Format

snake_case, kebab-case, PascalCase, camelCase

Fun

Sarcastic SpongeBob, Alternating Case

Cleanup

Trim Whitespace, Remove Special Characters

Works in any editable field, including inputs, text areas, and content-editable elements.

Open source: https://github.com/Karl-Horning/transform-text-extension

Developer comments

Found a bug or have a suggestion? Open an issue on GitHub:
https://github.com/Karl-Horning/transform-text-extension/issues

Known limitations:

Transformations only work in editable fields such as inputs and
text areas — selected text in non-editable elements such as
paragraphs and headings cannot be replaced
Escape Newlines and Unescape Newlines may not work as expected
in all contexts due to a browser limitation where selectionText
strips newlines from selected text
Text replacement and re-selection may not work in some complex
web applications that manage their own editor state, such as
Copilot and Gemini

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