Privacy policy
Last updated: 13 October 2026 (Colorphrase 3.2)
Colorphrase is a Chrome extension that colour-codes text you select on a page, using Chrome's built-in language model (Gemini Nano), which runs on your computer. This page says what it handles and where that goes.
In short
- Your text is analysed on your computer, by Chrome. It is never sent anywhere.
- The extension makes no network requests at all: no server, no account, no analytics.
- Nothing is sold or shared, because nothing leaves your computer.
What Colorphrase handles
- The text you select. When you invoke Colorphrase (the right-click menu, the toolbar icon or the keyboard shortcut), the text of the paragraphs you selected is given to Chrome's built-in model in your browser, and the highlights are added to the page. Nothing is read before you invoke it, and no other page content is read.
- The toolbar popup's check. When you click the Colorphrase icon, the popup checks how many characters are selected on the page and whether it already has highlights, to turn its buttons on or off. It reads only those two numbers.
- Your settings. Your palettes (their colours, names and descriptions) and the
default palette are stored with Chrome's
storage.localon this computer, in this browser profile only. They are not synced to your Google account.
Where it goes
Nowhere. The analysis runs in Chrome on your computer. Colorphrase has no server and makes no network requests. Chrome itself downloads its model from Google once, when you click "Download the model"; that download contains none of your text.
Versions before 3.0 could send text to an address you configured. Since 3.0 that is gone, and the addresses, API keys and model names those versions stored are deleted on update.
Permissions
| Permission | Why |
|---|---|
activeTab, scripting | Add the highlighter to the current page, only when you invoke Colorphrase; the popup's check of the selection. |
contextMenus | The right-click menu. |
storage | Keep your palettes. |
No host permissions: the extension can't reach any website or server.
This website
colorphrase.ptk.fyi sets no cookies and runs no analytics or scripts. Its fonts and images are its own; it loads nothing from another site.
Changes and contact
If what Colorphrase handles ever changes, this page changes first, with a new date. Questions about privacy: use the developer contact on Colorphrase's Chrome Web Store page.