{manifest}
local-first
configurable
communal

Command Your Web Experience

Powerful tools to design, save, and relaunch your ideal browsing setup(s).

Add to Chrome Browse Spaces
Declarative
Super vibey
Easy to learn

No Logins. No Setup. Just Start.

Manifest runs entirely in your browser - no accounts, no passwords, no cloud. Your Spaces, notes, and sessions are stored locally.

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🔒

Private by Default

Everything stays on your device unless you choose to share it.

⚙️

Zero Configuration

Install and start using instantly - no signup, no friction.

🌐

Offline-Friendly

Access your Spaces and tools even without an internet connection.

Window manager controlling layout and positions

See Your Browsing Clearly

View all your Windows/Tabs in one view - bulk actions; close, pin, sleep, search, and/or create a Session to come back to later... just hit 'restore' on a saved Session.

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Command Bar

Press ⌘+K (or Ctrl+K) to open the Command Bar.

  • 💭
    Fuzzy search across Spaces, tabs, and commands.
  • 🧩
    Two-panel plugins-open Notes and To Dos side-by-side, or compare data at a glance.
  • ⚡
    Quick actions like Save all to Session & Close.
Add to Chrome Browse Spaces
Command Bar and two-panel plugin layout
URL blocker interface in dark mode

Guard Your Attention

URL blocking. Protect your focus. Don't wanna go on social media, watch videos, or read forums? Don't.

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Keep Related Content Together

Everything lives in a Space. So when you take Notes or make a To Do - it all exists in the context of that Space.

Local-first
Add to Chrome
Notes and To-Do panel inside a Space
Theme editor shown with a pink theme

Make Your Space Your Own

Each Space can be customized with its own Theme.

Calm Cozy Neon Mono
Browse Spaces
manifest.space/spaces/windows

Spacefile (JSON)

{
  "__version": 1,
  "plugins": {...},
  "theme": {
    "tokens": {
      "colors": {
        "panel": {
          "primaryBg": "rgba(0, 92, 56, 0.25)",
          "secondaryBg": "rgba(28, 28, 28, 0.14)",
          "tertiaryBg": "rgba(34, 39, 55, 0.56)"
        },
        "text": "#f0f0f0"
      },
      "fonts": {
        "primary": "Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, \"Helvetica Neue\", Arial, \"Noto Sans\", \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\", sans-serif",
        "secondary": "Poppins, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, \"Helvetica Neue\", Arial, \"Noto Sans\", sans-serif"
      }
    },
    "background": {
      "color": "#ffffff",
      "imageFit": "cover",
      "imagePosition": "center",
      "imageUrl": "https://images.unsplash.com/photo-1588097257570-59b6f7360bfb?q=80&w=2070&auto=format&fit=crop&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D",
      "mode": "preset",
      "presetId": "baisch-01",
      "presets": []
    },
    "variation": "dark"
  }
}
Windows theme preview

Share your Spaces

Send your Space to friends. Get and install theirs.

Browse Spaces
Matrix-style Space constructor and share view

Built on Trust

Local-first by default. Sync is optional. Minimal permissions. No ad tracking.

Privacy Policy Terms of Use Cookie Policy

Minimal permissions

The extension requests only what’s required for tab/window management and focus rules. Your data stays local unless you enable encrypted sync.

FAQs

What’s a Space?

A declarative workspace describing tabs/links, layout hints, theme, notes, and rules. Save, switch, export (Spacefile JSON), and share.

Do I need an account?

No. Everything is local by default. Create an account only if you want encrypted cross-device sync.

Can I share a Space?

Yes-publish to the gallery or share a link/Gist. Others can preview and import in one click.

Make context-switching intentional.

Save your best setups and get back into flow-on demand.

Add to Chrome Browse Spaces