# CloakBrowser | CloakHQ | Knowledge Base | Instagit

Stealth Chromium that passes every bot detection test. Drop-in Playwright replacement with source-level fingerprint patches. 30/30 tests passed.

GitHub Stars: 3.6k

Repository: https://github.com/CloakHQ/CloakBrowser

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## Articles

### [CloakBrowser Auto-Update Mechanism: Managing Python Wrapper and Chromium Binary Versions](/CloakHQ/CloakBrowser/cloakbrowser-auto-update-mechanism-and-version-management)

Discover the CloakBrowser auto-update mechanism for managing Python wrapper and Chromium binary versions. Learn how background threads and caching ensure up-to-date components.

- Tags: internals
- Published: 2026-05-09

### [How to Run Multiple Browser Identities from a Single Docker Container Using CloakBrowser](/CloakHQ/CloakBrowser/running-multiple-browser-identities-from-single-docker-container)

Learn how to run multiple browser identities from a single Docker container with CloakBrowser. Multiplex independent instances easily using fingerprint seeds and CDP connections.

- Tags: how-to-guide
- Published: 2026-05-09

### [How C++ Patches in CloakBrowser Remove Automation Signals: navigator.webdriver and chrome](/CloakHQ/CloakBrowser/how-c-patches-remove-automation-signals)

Learn how CloakBrowser uses C++ patches to remove automation signals like navigator.webdriver and chrome, bypassing detection and ensuring a genuine browser experience.

- Tags: deep-dive
- Published: 2026-05-09

### [Why Is CloakBrowser Still Getting Blocked? 7 Source Code Fixes to Debug Detection](/CloakHQ/CloakBrowser/debugging-detection-why-cloakbrowser-still-gets-blocked)

CloakBrowser gets blocked by undetectable paths and untrusted events. Discover 7 source code fixes to debug detection and unblock access in this technical guide.

- Tags: deep-dive
- Published: 2026-05-09

### [How to Set Up Windows Fonts on Linux for Anti-Bot Font Checks in CloakBrowser](/CloakHQ/CloakBrowser/setting-up-windows-fonts-on-linux-for-anti-bot-font-checks)

Easily pass anti-bot font checks in CloakBrowser on Linux. Install emoji fonts, copy Windows fonts, and launch with the fingerprint flag for enhanced privacy.

- Tags: how-to-guide
- Published: 2026-05-09

### [CloakBrowser Source-Level Patches vs Playwright-Stealth JS Injection: What’s the Difference?](/CloakHQ/CloakBrowser/cloakbrowser-source-level-patches-vs-playwright-stealth-js-injection)

Understand CloakBrowser source patches vs Playwright-Stealth JS injection. CloakBrowser's C++ patches offer superior stealth and stability over runtime JS injection.

- Tags: deep-dive
- Published: 2026-05-09

### [How to Integrate CloakBrowser with Selenium Using ensure_binary: A Complete Guide](/CloakHQ/CloakBrowser/integrating-cloakbrowser-with-selenium-using-ensure_binary)

Integrate CloakBrowser with Selenium using ensure_binary. Download and cache the stealth Chromium binary automatically. Pass its path to ChromeOptions for seamless automation. Read the complete guide today.

- Tags: how-to-guide
- Published: 2026-05-09

### [How to Customize human_config for Typing Delays and Typo Simulation in CloakBrowser](/CloakHQ/CloakBrowser/customizing-human_config-for-typing-delays-and-typo-simulation)

Learn to customize CloakBrowser human_config for realistic typing delays and typo simulation. Control settings globally or per interaction for advanced automation.

- Tags: how-to-guide
- Published: 2026-05-09

### [How to Disable Default Stealth Args for Custom Fingerprint Configuration in CloakBrowser](/CloakHQ/CloakBrowser/disabling-default-stealth-args-for-custom-fingerprint-configuration)

Disable default stealth args in CloakBrowser for custom fingerprinting. Set stealthArgs to false in launch options to control your Chromium arguments.

- Tags: how-to-guide
- Published: 2026-05-09

### [How to Run CloakBrowser in Docker with Persistent Profile Volumes](/CloakHQ/CloakBrowser/running-cloakbrowser-in-docker-with-persistent-profile-volumes)

Run CloakBrowser in Docker with persistent profile volumes. Bind-mount host directories and set CLOAKBROWSER_CACHE_DIR to save cookies and fingerprints across restarts.

- Tags: how-to-guide
- Published: 2026-05-09

### [How to Integrate CloakBrowser with a Browser-Use AI Agent Framework: Complete Implementation Guide](/CloakHQ/CloakBrowser/integrating-cloakbrowser-with-browser-use-ai-agent-framework)

Integrate CloakBrowser with AI agents by launching its patched Chromium with a remote debugging port. Learn how to pass the CDP endpoint URL to the BrowserSession constructor for seamless integration.

- Tags: how-to-guide
- Published: 2026-05-09

### [How to Bypass Incognito Detection Using Storage Quota Settings in CloakBrowser](/CloakHQ/CloakBrowser/bypassing-incognito-detection-with-storage-quota-settings)

Bypass incognito detection in CloakBrowser by increasing storage quota with the fingerprint storage quota flag. Learn how to mask your incognito browsing activity from websites.

- Tags: how-to-guide
- Published: 2026-05-09

### [How to Configure Humanize Presets: Default vs Careful Behavior in CloakBrowser](/CloakHQ/CloakBrowser/configuring-humanize-presets-default-vs-careful-behavior)

Configure CloakBrowser humanize presets default vs careful using the human_preset parameter. Optimize your browser behavior for speed or deliberate interaction.

- Tags: how-to-guide
- Published: 2026-05-09

### [How CloakBrowser Automatically Detects Timezone and Locale from Proxy Exit IP](/CloakHQ/CloakBrowser/automatic-timezone-and-locale-detection-from-proxy-exit-ip)

CloakBrowser automatically detects timezone and locale from proxy exit IP by resolving IP, querying a GeoLite2 database, and injecting values into browser launch options.

- Tags: how-to-guide
- Published: 2026-05-09

### [How to Fix reCAPTCHA v3 Low Scores (0.1–0.3) in CloakBrowser: Complete Guide](/CloakHQ/CloakBrowser/troubleshooting-recaptcha-v3-low-scores)

Fix low reCAPTCHA v3 scores in CloakBrowser. Learn to avoid CDP waits, stay on pages longer, and use fixed fingerprint seeds with Playwright for high 0.9 scores. Get the complete guide now.

- Tags: how-to-guide
- Published: 2026-05-09

### [How to Spoof Your Platform with CloakBrowser: Running Windows on Linux](/CloakHQ/CloakBrowser/platform-spoofing-running-as-windows-on-linux-systems)

Master platform spoofing with CloakBrowser. Learn how to run Windows on Linux systems by default or with custom settings for enhanced privacy and security.

- Tags: how-to-guide
- Published: 2026-05-09

### [Custom Fingerprint Flags for GPU Vendor and Renderer Spoofing in CloakBrowser](/CloakHQ/CloakBrowser/custom-fingerprint-flags-for-gpu-vendor-and-renderer-spoofing)

Learn how to use custom fingerprint flags in CloakBrowser to spoof GPU vendor and renderer for targeted hardware profiles and enhanced privacy.

- Tags: how-to-guide
- Published: 2026-05-09

### [How to Run Cloakserve CDP Multiplexer with Per-Connection Fingerprint Seeds](/CloakHQ/CloakBrowser/running-cloakserve-cdp-multiplexer-with-per-connection-fingerprint-seeds)

Learn to run cloakserve CDP multiplexer with per-connection fingerprint seeds. Inject unique seeds into WebSocket paths for deterministic browser fingerprinting. See CloakHQ/CloakBrowser repo.

- Tags: how-to-guide
- Published: 2026-05-09

### [How to Create Persistent Browser Profiles Using `launch_persistent_context` in CloakBrowser](/CloakHQ/CloakBrowser/creating-persistent-browser-profiles-with-launch_persistent_context)

Learn to create persistent browser profiles in CloakBrowser using launch_persistent_context. Store cookies and session state across launches by specifying a userDataDir.

- Tags: how-to-guide
- Published: 2026-05-09

### [How `humanize=True` Creates Human-Like Mouse Bézier Curves in CloakBrowser](/CloakHQ/CloakBrowser/how-humanize-true-creates-human-like-mouse-bezier-curves)

Discover how humanize=True in CloakBrowser crafts realistic mouse movements with Bézier curves, simulating natural human hand actions for enhanced automation.

- Tags: internals
- Published: 2026-05-09

### [How WebRTC IP Spoofing Works with geoip=True Proxy Integration in CloakBrowser](/CloakHQ/CloakBrowser/webrtc-ip-spoofing-with-geoip-true-proxy-integration)

Discover how CloakBrowser spoofs your WebRTC IP using proxy integration and geoip=True. Learn how your proxy's exit IP is injected for enhanced privacy.

- Tags: deep-dive
- Published: 2026-05-09

### [How to Use Fixed Fingerprint Seeds for Persistent Browser Identity in CloakBrowser](/CloakHQ/CloakBrowser/using-fixed-fingerprint-seeds-for-persistent-browser-identity)

Learn to use fixed fingerprint seeds for persistent browser identity in CloakBrowser. Pass the fingerprint flag and reuse userDataDir for consistent fingerprints.

- Tags: how-to-guide
- Published: 2026-05-09

### [How CloakBrowser's Source-Level C++ Fingerprint Patches Function](/CloakHQ/CloakBrowser/how-cloakbrowser-source-level-c-fingerprint-patches-work)

Discover how CloakBrowser patches C++ source code for robust anti-fingerprinting. Learn how compiled patches intercept API calls at the process level for undetectable spoofing.

- Tags: internals
- Published: 2026-05-09