Help
Articles for Crest on Mac, iPad, and iPhone.
Crest brings Chromium and WebKit together on Mac. Read the engine and upgrade guide for website sign-ins, extensions, and choosing an engine. iPhone and iPad continue to use WebKit.
Get started
Install and update Crest for MacDownload Crest directly, install it in Applications, and understand automatic updates.Move your browser data to CrestReview imports from Arc, Zen, Chrome, Safari, Firefox, and other Chromium browsers, and export portable Crest data.Settings referenceFind every major Crest setting and understand whether it applies globally or to one Space.Chromium and WebKit on MacChoose the engine new pages open in, send a website to the other engine, and see what each engine supports.
Spaces & organization
Spaces and profile isolationUnderstand how each Crest Space separates accounts, history, passwords, permissions, and website data.Share sign-ins across Spaces with Sub-SpacesGroup Spaces so they share sign-ins, history, passwords and extensions, while each keeps its own tabs and look.Customize and arrange SpacesDesign a crest, choose Space and folder colors, and configure cleanup.Organize tabs, saved pages, and foldersUse current tabs, pinned sites, saved locations, folders, Archive, and Keep Loaded deliberately.Use Split ViewCreate, focus, resize, reorder, synchronize, and separate two to four live tabs.Browse with a Private SpaceUnderstand Private Space storage, history, sync, authentication, and relocking.Sync Crest across devicesUse iCloud to synchronize durable Spaces and resolve a device-versus-cloud conflict safely.Turn Crest Passwords on or off per SpaceControl Crest-owned password suggestions, generation, and save prompts independently for every Space.
Browse faster
Use the command paletteSearch, navigate, switch tabs, revisit history, and run Crest commands from one field.Keyboard shortcutsReference every default Crest browser shortcut and customize the complete Mac command map.Gestures and pointer actionsLearn Crest’s swipes, drags, middle-click actions, context menus, and other less-obvious interactions.Use Peek and Quick WindowPreview links without losing your place and handle links opened from other apps.Route links to the right SpaceBuild Air Traffic Control-style URL rules that send external links to a chosen Crest Space.Translate, read, and use page toolsTranslate webpages on device, read without distractions, share, and export pages.Localhost and developer toolsPreview responsive layouts at phone, desktop, or custom sizes and inspect websites on Mac.Let coding agents use CrestLet coding agents on your Mac read and act on tabs in the Spaces you choose, through the Model Context Protocol server Crest includes.
Privacy, data & recovery
Content blocking and site permissionsControl ads, trackers, camera, microphone, pop-ups, downloads, and external apps per Space.History, Archive, downloads, and retentionSearch, restore, remove, and retain browser records independently in each Space.Clear website dataClear one site's cookies or cache, manage each Space's website data, and clear browsing data by time range.
Install extensions
Install from the Chrome Web StoreAdd a Chrome extension from its store page to the current Crest Space.Firefox add-onsCrest does not install Firefox add-ons. Use an extension's Chrome Web Store version instead.Safari Web ExtensionsCrest does not scan Mac apps for Safari Web Extensions. Use an extension's Chrome Web Store version instead.
Use extensions
Manage permissions and website access per SpaceReview and change an extension's permissions and site access without changing another Crest Space.Pin extensions and use extension popupsPin extension actions and use popups, side panels, and settings pages in the right Space on Mac.Set extension keyboard shortcutsAssign and change keyboard shortcuts for extension commands in a Crest Space.
Compatibility & troubleshooting
Check an extension's status and detailsSee whether an extension is on, and find its errors and permissions in Chromium's extension manager.Native companionsHow extensions in Crest for Mac connect to their companion Mac apps, and what those apps check.Extension compatibilityWhich extensions Crest runs, where, and which Chrome extension features Crest connects to its own interface.Extension known limitationsWhere extensions run in Crest, and the limits that apply to them.Troubleshoot an extensionSteps to try when a Chrome extension installs in Crest but a feature does not work.Set up 1Password in CrestInstall the 1Password Chrome extension in Crest for Mac and authorize Crest in the 1Password app.iCloud Passwords in CrestHow the iCloud Passwords extension connects to Apple's password helper in Crest for Mac, and what Apple requires.