#1 of 11 · Review
Donut Browser
Open-source, local-first profile manager on a native Chromium fingerprint engine.
93 /100
Official site Best for: Anyone who wants unlimited free profiles that never leave their machine.
Pros
- Unlimited free local profiles
- AGPL-3.0 app you can audit and build
- Fingerprints patched in C++, not injected JS
- Linux as AppImage, deb, rpm, Flatpak and Snap
- Optional end-to-end encrypted sync, self-hostable
Cons
- Engine is closed source
- Browser automation and MCP control need a paid plan
- Young project (2025)
Scores
Fingerprint engine · 22% 9/10 Chromium fork with spoofing in C++; no JS hooks to detect.
Local-first privacy · 18% 10/10 Local by default, no account, encrypted optional sync, no incidents.
Free tier · 14% 10/10 Unlimited local profiles with full fingerprinting at $0.
Open source · 12% 8/10 App is AGPL-3.0; the engine is closed.
Automation & API · 12% 9/10 Local API and CDP; MCP on paid plans.
Platforms · 10% 10/10 Windows, macOS and Linux in five package formats.
Profile management · 8% 9/10 Groups, proxies, cookies, extensions, ephemeral profiles.
Price at scale · 4% 9/10 Local profiles are free at any count.
Key facts
- Engines
- Chromium fork (Chromium)
- Platforms
- Windows Yes · macOS Yes · Linux Yes
- Free plan
- Unlimited local profiles, full fingerprinting, proxies, WireGuard, local API. No account.
- Paid from
- $29/mo (Solo): 20 cloud backups, remote MCP, commercial use
- Source
- AGPL-3.0 (app)
- Storage
- Local + cloud, no account
- Automation
- Local REST API, CDP for Playwright, Puppeteer and Selenium, MCP
- Mobile
- No
- Launched
- 2025
Checked 2026-10-13 against the vendor's site and pricing page.