The short version: your flashcards never leave your device. Cardwright stores everything locally and only ever connects to two places, and only if you choose to.
When you click the Cardwright icon, it reads the text you have selected on the current page (via Chrome's activeTab permission) so it can turn that selection into a flashcard. This happens only on the tab you click, only at that moment. Out of the box Cardwright has no standing access to any website and reads nothing else from the page.
Cardwright can show a small “+ Add card” button next to text you highlight, so you can capture a selection without opening the popup. This is off by default. Turning it on (gear menu → Selection button, or the one-line offer on first run) makes Chrome ask you for permission to run on the sites you visit; if you decline, nothing changes.
While it is on, Cardwright runs a small script on the http/https pages you open, and that script does exactly two things: draw the button next to your highlight, and — only when you click that button — copy the highlighted text into your own local storage so the popup can turn it into a card. It reads nothing else from the page, watches nothing you do not highlight, and sends nothing anywhere. Switching the toggle off removes the permission and unregisters the script, so it stops running entirely. You can also revoke the permission yourself at chrome://extensions → Cardwright → Site access.
Your decks, cards, review progress and settings are saved only on your device using Chrome's storage API. They never sync to us. You can back them up to a JSON file yourself, and remove everything by uninstalling the extension. Files you export (Anki or Quizlet) are saved by you, to your own computer.
127.0.0.1, via the AnkiConnect add-on). This data goes only to your local machine — not to us or any third party. Cardwright asks for the 127.0.0.1 permission only the first time you use this feature.That's all. There is no analytics, no advertising, no tracking, and no selling of data.
activeTab — read your text selection on the tab you click, at that moment.scripting — inject the one-shot, read-only selection capture into that tab; and, if you switch the selection button on, register the small script that draws it.storage — keep your decks, cards and progress locally on your device.optional_host_permissions: http://127.0.0.1/* — requested only when you use “Send to Anki,” to reach the Anki app on your own computer. Never requested otherwise.optional_host_permissions: http://*/* and https://*/* — optional, never requested at install. Asked for only when you switch on the selection button, and used only to draw that button on the page and read the text you highlighted and clicked it for. Nothing is transmitted; turning the toggle off removes the permission again.“Anki” and “Quizlet” are trademarks of their respective owners. Cardwright is an independent tool and is not affiliated with or endorsed by them.
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