Donut Browser — Open-source antidetect browser (AGPL-3.0): unlimited free profiles, Wayfern engine based on Chromium, REST API and MCP server, WireGuard and proxies, Windows, macOS and Linux.
What is Donut Browser
Donut Browser is an open-source antidetect browser (AGPL-3.0 license) that appeared around 2025. The code is on GitHub, profiles are unlimited, and automation runs through a REST API and an MCP server, so profiles can even be controlled by an AI agent.
Developer: open-source project on GitHub (author: zhom). Official site: donutbrowser.com.
Donut Browser features
- Open source code and unlimited profiles
- Wayfern engine (a Chromium fork), previously Camoufox on Firefox
- REST API and MCP server for AI agents
- WireGuard and per-profile proxies
- Optional end-to-end encrypted sync
- Windows, macOS and Linux
Donut Browser pricing and free plan
The core browser is free with unlimited profiles. Extra cloud features may be paid; check the current terms on the project site.
Who Donut Browser is for
Technical users who want a transparent antidetect without a subscription, and those building automation via API or AI agents.
Donut Browser pros and cons
Pros
- Free with unlimited profiles
- Open code you can audit
- MCP server for AI agents
- Linux version
Cons
- Young project with an anonymous author
- No team support on the level of commercial antidetects
How to start safely
Test the antidetect on a free plan or trial first: create 2–3 profiles, attach a clean proxy to each (mobile or residential for social platforms), check the fingerprint on checker sites and only then move working accounts in. Never run several accounts of one platform through the same IP.
FAQ
Is Donut Browser free?
Yes, it is an open-source project with unlimited profiles.
What engine does Donut Browser use?
Wayfern, a Chromium fork; early versions used Firefox-based Camoufox.
Can Donut Browser be controlled by AI?
Yes, it has a REST API and an MCP server for connecting AI agents.
Donut Browser alternatives
If Donut Browser doesn't fit, compare it with antidetects popular among media buyers: Octo Browser, Dolphin Anty, AdsPower, GoLogin.
Read also: Top 5 antidetect browsers for affiliate marketing
Data checked: October 2026. Prices and plans may change, verify them on the official site. Sources: https://github.com/zhom/donutbrowser, https://www.linuxlinks.com/donut-browser-anti-detect-browser/
