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Mail Seen - Unlimited Email Tracker for Gmail

Mail Seen - Unlimited Email Tracker for Gmail

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View Mail Seen - Unlimited Email Tracker for Gmail Chrome Extension on Chrome Web Store
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Know when your emails are opened!
Type
Extension
Users
4,000 users
500
Website mailseen.com
Onepaper.ai
View author page of Onepaper.ai
Featured Extension

Hand-picked for quality and usefulness

Published
Published on October 20, 2023
Version 5.6
Manifest version
3
Updated
Updated on June 13, 2025
productivity/workflow
Extension Category
Website
Visit developer website
View on Chrome Web Store
View Mail Seen - Unlimited Email Tracker for Gmail 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",
    "manifest_version": 3,
    "name": "Mail Seen - Unlimited Email Tracker for Gmail",
    "version": "5.6",
    "description": "Know when your emails are opened!",
    "permissions": [
        "declarativeNetRequest",
        "declarativeNetRequestFeedback"
    ],
    "host_permissions": [
        "https:\/\/mail.google.com\/",
        "https:\/\/authapi-f6o7ittoia-uc.a.run.app\/"
    ],
    "background": {
        "service_worker": "background.js"
    },
    "content_scripts": [
        {
            "matches": [
                "https:\/\/mail.google.com\/*"
            ],
            "js": [
                "datasources.js",
                "components\/dataManager.js",
                "components\/emailTracking.js",
                "components\/viewsBox.js",
                "components\/popupSystem.js",
                "components\/activityFeed.js",
                "components\/statistics.js",
                "components\/sentFolderUI.js",
                "components\/insightsPopup.js",
                "components\/individualEmailView.js",
                "components\/insightsPopup.js",
                "components\/insightsPopupButton.js",
                "components\/insightsPopupAnalysis.js",
                "components\/insightsPopupAPI.js",
                "components\/insightsPopupUI.js",
                "components\/insightsPopupUtils.js",
                "content.js",
                "UIcomponents.js",
                "threadview.js",
                "charts\/chart1.js",
                "intro.js"
            ]
        }
    ],
    "web_accessible_resources": [
        {
            "resources": [
                "static\/eyecrosseddark.png",
                "static\/arrowdark.png",
                "static\/send-mail.png",
                "static\/eyewhite.png",
                "static\/send.png",
                "static\/eye.png",
                "static\/file.png",
                "pdfGenerator.js",
                "static\/refreshwhite.png",
                "static\/close.png",
                "static\/speed.png",
                "static\/date.png",
                "static\/eyecrossed.png",
                "intro.js",
                "components\/dataManager.js",
                "components\/emailTracking.js",
                "components\/viewsBox.js",
                "components\/popupSystem.js",
                "components\/activityFeed.js",
                "components\/statistics.js",
                "components\/sentFolderUI.js",
                "components\/insightsPopup.js",
                "components\/individualEmailView.js"
            ],
            "matches": [
                "<all_urls>"
            ]
        }
    ],
    "action": {
        "default_popup": "popup.html",
        "default_icon": {
            "16": "static\/icon16.png",
            "48": "static\/icon48.png",
            "128": "static\/icon128.png"
        }
    },
    "declarative_net_request": {
        "rule_resources": [
            {
                "id": "ruleset_1",
                "enabled": true,
                "path": "rules.json"
            }
        ]
    },
    "content_security_policy": {
        "extension_pages": "script-src 'self'; object-src 'self';"
    }
}
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