Privacy-first browser
Private, isolated browsing for all your accounts and AI agents.
Every profile is fully separated — its own environment, proxy, and automation. Private by design.
ProfilesFingerprintsProxy poolAutomation API
What's inside every profile
Built for scale, private by design
Run unlimited isolated identities — for your team and your AI agents.
isolate
Isolated profiles
Each profile is a fully separate environment. Nothing leaks between them.
fingerprint
Real fingerprints
Consistent device fingerprints per profile — stable and believable.
proxy
Proxy pool
Assign a dedicated proxy to every identity, managed in one place.
automate
Automation API
Drive profiles from code or AI agents over a local CDP + REST API.
Browser kernels
Two engines, one workspace
Pick the engine each profile runs on. Same isolation, same controls.
Polychrome Shipping
engine Chromium
Polyfox Planned
engine Firefox
Get started
Your private workspace, one download away
Free to start, no account required. Spin up your first isolated profile in seconds.
Free · no account required macOS 12+ Windows 10+