Cookies and local storage
Essential storage for working tools. Remember your language only if you choose.
What we use
Storage here includes cookies, localStorage, sessionStorage, IndexedDB and application caches. Sign-in and editors you open need certain technical data. We have not installed advertising measurement or visitor analytics. Remembering the public website language is off until you allow it.
Storage inventory
| Name / group | Purpose and technology | Category | Duration / clearing |
|---|---|---|---|
| oc… (session identifier), oc_sessionPassphrase | Cookies; sign-in, session and security | Essential | Session cookies; the server session normally lasts 24 hours and can be extended during use. |
| __Host-nc_sameSiteCookielax / __Host-nc_sameSiteCookiestrict | Cookies; sign-in and request protection | Essential | Technical expiry is 31 December 2100; their contents do not identify a visitor. Clear them through browser settings. |
| nc_token and related sign-in tokens (when you choose to remember sign-in) | Cookies; maintaining the sign-in you requested | Essential for the selected feature | Normally up to 15 days; revocation can end access sooner. |
| lang in Pastebin | Cookie; language of the opened tool | Functional for the opened tool | Session cookie, subject to browser session handling. |
| office-privacy-preferences | localStorage; records your storage choice, version and time | Essential to remember your choice | Choice validity: 180 days. The record is cleared on a later load after expiry; it may physically remain until then. |
| office-public-language | localStorage; public website language | Optional, only after permission | Used for up to 180 days within choice validity. Cleared on withdrawal, site-data deletion or the next load after expiry. |
| Editor storage and application caches | IndexedDB, localStorage, sessionStorage, service worker / cache; work and resources for tools you open | For selected tool features | Depending on the tool: session end, project deletion or site-data clearing; the browser also manages caches. Export your work first. |
Changing your choice
You can refuse or withdraw language storage as easily as allowing it. Withdrawal removes the public website's saved language on this device, without signing you out. Choices apply to this browser and device.
These settings control the public website language, not the content of an editor you open. Editor data, sign-in and caches can also be cleared through browser settings. Export work first; clearing storage may end sessions or lose unsaved work.
Doing nothing, closing the dialog or browsing does not enable optional language storage. Without JavaScript, it remains off. Essential storage for a tool you open remains active.
Personal data and more information
Controller information, processing, recipients and rights are in our privacy information. Contact admin@karelkana.eu.
The essential / optional distinction follows the Czech authority's cookie guidance. Your present choice does not authorise future advertising or analytics.
Cloudflare and cookies
Cloudflare provides DNS for this service. Checks on 15 October 2026 found no Cloudflare HTTP proxy or Cloudflare Web Analytics / Turnstile integration on the inspected public, login and registration pages. DNS alone does not place Cloudflare website cookies in your browser. Activating additional services in future requires this information to be updated.