Last updated: February 10, 2026
Cookies are small text files stored on your device when you visit a website. They help websites remember your preferences and improve your experience.
These are essential for the Service to function and cannot be disabled.
sb-access-token / sb-refresh-token — Supabase authentication session. Expires when you log out or after 7 days of inactivity. Purpose: Keeps you logged in.
These remember your preferences. Stored in your browser's localStorage, not as cookies, but function similarly.
bd_dark_mode — Your dark/light mode preference. No expiry (persists until cleared).
bd_user_keys — Your encrypted API keys for premium models. Stored locally only — never sent to our servers except during a battle request via HTTPS.
bd_premium_models — Which premium models you've enabled. No expiry.
bd_referred_by — Referral tracking code. No expiry.
bd_saved_prompts — Your saved custom system prompts. No expiry.
bd_pinned_battles — Your pinned/bookmarked battles. No expiry.
bd_model_notes — Your personal notes on each model. No expiry.
We currently do not use third-party analytics cookies. If we add analytics in the future, we will update this policy and request your consent.
We do not use advertising cookies. BattleDome does not serve ads.
You can clear localStorage data at any time through your browser's developer tools (Application → Local Storage → Clear). You can block cookies in your browser settings, but this may prevent login functionality. Most browsers allow you to set preferences for cookie handling.
Stripe: May set cookies during payment processing for fraud prevention. See Stripe's Cookie Policy.
Supabase: Sets authentication cookies for session management. See Supabase's Privacy Policy.
Questions about our cookie practices? Email privacy@battledome.ai.