Fury Browser

Anti-detect browser · free and open source (AGPL-3.0) · in development

Anti-detect browsers cost $30–150 a month per team and ship a closed core, so nobody can check what they actually spoof. We measured the popular ones — in one, the canvas readback was byte-identical to a clean machine while the interface listed it as protected.

Fury is the inverse. Every vector is documented against the Chromium file it lives in, the patches are in the repository, and the bench that measures them ships with the browser, so you can check the claims on your own machine instead of taking anyone's word.

How it is built

• Own fork of Chromium 153 with 28 patches — spoofing sits in C++, not in injected JavaScript
• Consistent across execution contexts: main frame, workers and iframes agree, because a disagreement between them gives a spoof away more reliably than not spoofing at all
• Deterministic noise: the same profile returns the same canvas hash forever, rather than describing a machine whose hardware moves while you watch it
• A Windows 11 / RTX 4060 persona launched on an Apple Silicon Mac reports Win32, the matching user agent and client hints, an ANGLE/NVIDIA renderer, 1920×1080 with room for the taskbar, and navigator.webdriver false

Three ways to run it

• Solo — nothing to host, no account, no database. Profiles and proxies live on your machine, and every anti-detect feature works in full
• Team, self-hosted — one binary plus PostgreSQL on any VPS: projects, roles, per-project access, a distributed lock and an audit trail
• Team, hosted — for people who would rather not run a server. Bundles are encrypted on the operator's machine, so the server holds data it cannot read

Price

None. No seats, no per-profile pricing, no paid tier held back, no telemetry. The licence is AGPL-3.0 and the measurements are published, precisely so the claims on this page can be checked rather than believed.

Platforms and status

• macOS — signed and notarised: open the disk image, drag, open
• Windows — works; the installer is not code-signed yet, so SmartScreen asks for More info → Run anyway
• Linux — not a target
• Releases are marked pre-release, and what is not finished is listed openly in the readme

What it is for

Ad verification, market research, scraping within terms, and running several legitimate business accounts. Fraud, credential stuffing, phishing and evading law enforcement are not supported and not welcome in the issue tracker.

Fury is an independent project, not affiliated with or endorsed by Google, and carries no Chrome or Google branding. Chromium is used under its own licence.