Is this login safe?
Yes. Here is exactly what happens when you sign in and what data SharedPaint stores.
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Sign in with Google
SharedPaint uses Google OAuth 2.0 — the same standard used by thousands of apps worldwide. You never enter your password on SharedPaint. Google handles authentication entirely and only tells us that you successfully logged in.
We never see, store, or have access to your Google password or any sensitive Google account data.
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What we store
✓Your Google user ID — An anonymous identifier used to link your pixels to your account.
✓Your profile picture URL — Shown as your avatar next to the pixels you place.
✓Your alias — A username you choose when you first join.
✓Your pixel credits — A counter that tracks how many pixels you can place.
✓The pixels you place — Position, color, and timestamp — visible to all users.
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What we do NOT store
✗Your email address
✗Your Google password
✗Any payment information
✗Your browsing history or behavior outside of SharedPaint
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Technology & infrastructure
SharedPaint is built on established, production-grade infrastructure:
DBSupabase — open source backend built on PostgreSQL. Handles authentication, database, and realtime updates. Data is stored in EU/US data centers with encryption at rest.
FENext.js + Vercel — the application runs on Vercel's global edge network, served over HTTPS with TLS encryption.
RTSupabase Realtime — pixel updates are streamed live via WebSocket. No third-party tracking services are involved.
Questions or concerns? info@sharedpaint.com