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Email Tracker + Pixelblock Detector & Blocker

Email Tracker + Pixelblock Detector & Blocker

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Find out if your emails get read + pixelblock. Free & unlimited email tracking for Gmail, Outlook, Hotmail, Office 365 & Yahoo Mail
Type
Extension
Users
300,000 users
100K
Email Tracker
View author page of Email Tracker
Featured Extension

Hand-picked for quality and usefulness

Published
Published on October 2, 2015
Version 5.0.52
Manifest version
3
Updated
Updated on January 12, 2026
productivity/workflow
Extension Category
Website
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View Email Tracker + Pixelblock Detector & Blocker Chrome Extension on Chrome Web Store
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Extension Manifest

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{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "Email Tracker + Pixelblock Detector & Blocker",
    "version": "5.0.52",
    "description": "Find out if your emails get read + pixelblock. Free & unlimited email tracking for Gmail, Outlook, Hotmail, Office 365 & Yahoo Mail",
    "manifest_version": 3,
    "icons": {
        "128": "image\/icon.png"
    },
    "content_scripts": [
        {
            "matches": [
                "*:\/\/*.mail.google.com\/*",
                "*:\/\/*.inbox.google.com\/*",
                "*:\/\/*.mail.live.com\/*",
                "*:\/\/*.outlook.live.com\/*",
                "*:\/\/*.outlook.office.com\/*",
                "*:\/\/*.outlook.office365.com\/*",
                "*:\/\/*.outlook.cloud.microsoft\/*",
                "*:\/\/*.mail.yahoo.com\/*",
                "*:\/\/*\/owa\/*"
            ],
            "js": [
                "lib\/global.js",
                "lib\/xtion.js",
                "lib\/moment\/moment-with-locales.min.js",
                "lib\/moment\/moment-timezone-with-data.min.js",
                "content.js"
            ],
            "css": [
                "css\/content.css"
            ],
            "run_at": "document_start",
            "all_frames": true
        },
        {
            "matches": [
                "*:\/\/*.mail.live.com\/*",
                "*:\/\/*.outlook.live.com\/*",
                "*:\/\/*.outlook.office.com\/*",
                "*:\/\/*.outlook.office365.com\/*",
                "*:\/\/*.outlook.cloud.microsoft\/*",
                "*:\/\/*\/owa\/*"
            ],
            "js": [
                "lib\/outlook2.js"
            ],
            "run_at": "document_start",
            "all_frames": true,
            "world": "MAIN"
        }
    ],
    "background": {
        "service_worker": "service_worker.js"
    },
    "permissions": [
        "tabs",
        "storage",
        "unlimitedStorage",
        "cookies",
        "declarativeNetRequest",
        "declarativeNetRequestWithHostAccess",
        "declarativeNetRequestFeedback",
        "gcm",
        "notifications",
        "scripting",
        "offscreen",
        "alarms",
        "webNavigation"
    ],
    "host_permissions": [
        "<all_urls>"
    ],
    "web_accessible_resources": [
        {
            "resources": [
                "image\/loading.gif",
                "image\/loading_white.gif",
                "image\/upgrade.jpg",
                "image\/icon\/desktop.png",
                "image\/icon\/phone.png",
                "image\/icon\/tablet.png",
                "image\/icon\/tv.png",
                "image\/icon\/link.png",
                "lib\/global_content.js",
                "lib\/gmail.js",
                "lib\/outlook.js",
                "lib\/outlook2.js",
                "lib\/outlook2_disable_serviceworkers.js",
                "lib\/yahoo.js",
                "lib\/yahoo2.js"
            ],
            "matches": [
                "*:\/\/*\/*"
            ]
        }
    ],
    "action": {
        "default_icon": "image\/icon_inactive.38.png",
        "default_title": "Email Tracker",
        "default_popup": "popup.html"
    },
    "content_security_policy": {
        "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self';"
    },
    "declarative_net_request": {
        "rule_resources": [
            {
                "id": "rules",
                "enabled": true,
                "path": "declarative_net_request_rules.json"
            }
        ]
    },
    "default_locale": "en"
}
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