Do not disturb, science in progress

We keep a few things in your browser

ChemDeck stores data on this device so the app works at all. Nothing is sold, nothing is shared with advertisers, and there is no third party analytics or tracking here.

• Sign-in session. Set by Google and Firebase Authentication so you stay signed in between visits.
• Preferences. Your light or dark theme choice and whether the sidebar is open.
• This choice. A record that you accepted, so we stop asking.

All of it is strictly necessary. If you would rather not have it, close this tab instead. Details are in the Terms and Privacy Notice.

Is this the right account?

Your flashcards are tied to this email address. Check it carefully, because cards saved under the wrong account are easy to lose track of.