Version 2.0 • Strict Security Standard
Strict Cookie & Local Storage Policy
TomeSphere operates on an absolute transparency model. We implement strict, encrypted cookie controls, zero third-party tracking scripts, and give you complete sovereignty over your functional and telemetry preferences.
Zero Ad Trackers
We never use Google Ads, Meta Pixels, or data broker beacons. Your reading habits are private and never monetized.
Strict Cookie Security
All authentication cookies enforce HttpOnly, SameSite=Lax, and Secure SSL flags.
Granular Sovereignty
You retain total control over functional preferences and performance telemetry, with one-click revocation at any time.
Complete Cookie & Storage Inventory
The following table details every cookie and local storage item utilized within TomeSphere.
Required for technical operation, user authentication, CSRF mitigation, and session validation.
| Identifier | Provider | Attributes | Lifespan | Purpose |
|---|---|---|---|---|
| sb-*-auth-token | Supabase Auth | HttpOnly, SameSite=Lax, Secure | 1 Year (Rotated on access) | Authenticates user identity and secures backend session requests. |
| tomesphere_cookie_consent | TomeSphere | LocalStorage | Persistent | Records your cookie and privacy consent preferences. |
Enables personalized reading experiences, theme persistence, and offline position cache.
| Identifier | Provider | Storage Type | Lifespan | Purpose |
|---|---|---|---|---|
| tomesphere-theme | TomeSphere | LocalStorage | Persistent | Preserves your interface theme (Light, Dark, System) preventing flash of unstyled content. |
| tomesphere_reading_pos_* | TomeSphere | LocalStorage | Persistent | Provides instant local reading position recovery when offline or reconnecting. |
Anonymized reading dwell time analytics used solely to calculate personal reading speeds and optimize canvas rendering budgets.
| Identifier | Provider | Storage Type | Lifespan | Purpose |
|---|---|---|---|---|
| tomesphere_reader_dwell | TomeSphere | SessionMemory | Session Only | Measures active page dwell time for reading statistics without third-party tracking. |
Managing & Revoking Consent
You can modify or withdraw your cookie consent at any time by clicking the button below or using the Cookie Settings link in our footer.
Additionally, you can configure your browser to block all cookies or notify you when a cookie is set. Please note that blocking Strictly Necessary cookies will prevent logging in and reading books securely on TomeSphere.