Cookie Policy
Version: 1.1.0 · Last updated: 2026-10-01
Prismatica uses two cookies, both for sign-in and features you use, and stores preferences in your browser's local storage. It has no analytics or marketing scripts: the consent banner only records your choice.
| Name | Type | Purpose | Lifetime | Consent required? |
|---|---|---|---|---|
| prismatica_refresh | Cookie (HttpOnly, sent only to the sign-in service) | Keeps you signed in by renewing your session. | 30 days, or until you sign out. | No, strictly necessary for sign-in. |
| osio_ide_preview | Cookie (HttpOnly, workspace code preview only) | Authorises the preview of your workspace code sandbox. | 1 hour. | No, strictly necessary for that feature. |
| prismatica-theme | localStorage | Stores light, dark or night interface preference. | Until cleared or changed. | No, strictly necessary preference. |
| prismatica-motion-paused | localStorage | Stores reduced motion preference for accessibility. | Until cleared or changed. | No, accessibility preference. |
| prismatica-consent-v1 | localStorage | Stores consent choices, timestamp and policy version. | Until cleared or changed. | No for storing proof of choice; optional categories require consent. |
| prismatica-newsletter-intent-v1 | localStorage | Stores unauthenticated newsletter opt-in intent until login sync. | Until sync or manual clearing. | Yes, newsletter consent. |
| prismatica-csrf-token-v1 | localStorage | Stores a CSRF nonce for the public data-rights form. | Until cleared. | No, security necessity. |
| osio:* and osionos* keys | localStorage (workspace) | Your signed-in workspace session, a cache of your pages, favourites, contacts, unread counts and pending edits, and workspace settings. | Until cleared. | No, strictly necessary for the workspace. |