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Spaces and profile isolation

A Crest Space is not only a group of tabs. It is a separate browsing profile with its own durable organization, runtime, and privacy boundary.

What belongs to one Space

  • Signed-in website sessions, cookies, caches, local storage, and other WebKit website data
  • Current, pinned, saved, grouped, and archived tabs
  • Nested folders and saved locations
  • History, Archive, download records, and their retention choices
  • Crest Passwords and optional iCloud Keychain participation
  • Site permissions and content-blocking choices
  • Extensions, actions, permissions, and extension settings on Mac
  • Name, symbol, gradient or crest, and sidebar appearance

That means the same website can be signed into different accounts in Work and Personal without those sessions meeting.

Switch Spaces

Select a Space from the sidebar, swipe or scroll through the Space picker, or use Option-Command-Left/Right on a keyboard. Control-1 through Control-9 selects a Space by position.

Switching changes the whole browser context. The visible tabs, history search, credentials, permissions, and website process pool all follow the selected Space.

Move a tab between Spaces

Open the tab’s context menu and choose a destination, or drag it to another Space when the interface presents that destination. Crest moves the durable tab record and loads it inside the destination profile; it does not transfer the source Space’s cookies or signed-in session.

Delete a Space carefully

Deleting a Space removes its tabs, pins, folders, Archive, history, Crest Passwords, cookies, website storage, permissions, downloads records, and extension state. Read the confirmation before continuing. If you only need less clutter, archive or move tabs instead.