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FlowCrypt: Encrypt Gmail with PGP

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View FlowCrypt: Encrypt Gmail with PGP Chrome Extension on Chrome Web Store
4.8 (361 ratings)

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Simple end-to-end encryption to secure email and attachments on Google.
Type
Extension
Users
80,000 users
Website flowcrypt.com
flowcrypt-release
View author page of flowcrypt-release
Featured Extension

Hand-picked for quality and usefulness

Published
Published on January 19, 2016
Version 8.5.7
Manifest version
3
Updated
Updated on October 24, 2024
View on Chrome Web Store
View FlowCrypt: Encrypt Gmail with PGP Chrome Extension on Chrome Web Store
productivity/communication
Extension Category
Website
Visit developer website

Extension Manifest

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{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "FlowCrypt: Encrypt Gmail with PGP",
    "description": "Simple end-to-end encryption to secure email and attachments on Google.",
    "version": "8.5.7",
    "action": {
        "default_icon": {
            "16": "\/img\/logo\/flowcrypt-logo-16-16.png",
            "19": "\/img\/logo\/flowcrypt-logo-19-19.png",
            "24": "\/img\/logo\/flowcrypt-logo-24-24.png",
            "32": "\/img\/logo\/flowcrypt-logo-32-32.png",
            "48": "\/img\/logo\/flowcrypt-logo-48-48.png",
            "64": "\/img\/logo\/flowcrypt-logo-64-64.png",
            "128": "\/img\/logo\/flowcrypt-logo-128-128.png"
        },
        "default_title": "FlowCrypt Encryption for Gmail",
        "default_popup": "\/chrome\/popups\/default.htm"
    },
    "icons": {
        "16": "\/img\/logo\/flowcrypt-logo-16-16.png",
        "19": "\/img\/logo\/flowcrypt-logo-19-19.png",
        "24": "\/img\/logo\/flowcrypt-logo-24-24.png",
        "32": "\/img\/logo\/flowcrypt-logo-32-32.png",
        "48": "\/img\/logo\/flowcrypt-logo-48-48.png",
        "64": "\/img\/logo\/flowcrypt-logo-64-64.png",
        "128": "\/img\/logo\/flowcrypt-logo-128-128.png"
    },
    "permissions": [
        "alarms",
        "storage",
        "tabs",
        "scripting",
        "unlimitedStorage"
    ],
    "host_permissions": [
        "https:\/\/flowcrypt.com\/*",
        "https:\/\/*.google.com\/*",
        "https:\/\/outlook.live.com\/*",
        "https:\/\/outlook.office365.com\/*",
        "https:\/\/outlook.office.com\/*",
        "https:\/\/graph.microsoft.com\/*",
        "https:\/\/login.microsoftonline.com\/*",
        "https:\/\/www.googleapis.com\/*"
    ],
    "content_scripts": [
        {
            "matches": [
                "https:\/\/mail.google.com\/*"
            ],
            "css": [
                "\/css\/webmail.css",
                "\/css\/sweetalert2.css"
            ],
            "js": [
                "\/lib\/trusted-types.js",
                "\/lib\/purify.js",
                "\/lib\/jquery.min.js",
                "\/lib\/openpgp.js",
                "\/lib\/sweetalert2.js",
                "\/lib\/streams_web.js",
                "\/lib\/emailjs\/punycode.js",
                "\/lib\/iso-8859-2.js",
                "\/lib\/trusted-types.js",
                "\/lib\/emailjs\/emailjs-stringencoding.js",
                "\/lib\/emailjs\/emailjs-mime-codec.js",
                "\/lib\/emailjs\/emailjs-mime-types.js",
                "\/lib\/emailjs\/emailjs-addressparser.js",
                "\/lib\/emailjs\/emailjs-mime-builder.js",
                "\/lib\/emailjs\/emailjs-mime-parser.js",
                "\/js\/content_scripts\/webmail_bundle.js"
            ]
        },
        {
            "matches": [
                "https:\/\/www.google.com\/robots.txt*"
            ],
            "js": [
                "\/js\/common\/oauth2\/oauth2_inject.js"
            ],
            "run_at": "document_start"
        }
    ],
    "background": {
        "service_worker": "\/js\/service_worker\/background.js",
        "type": "module"
    },
    "options_ui": {
        "page": "\/chrome\/settings\/index.htm",
        "open_in_tab": true
    },
    "web_accessible_resources": [
        {
            "resources": [
                "\/css\/webmail.css",
                "\/img\/svgs\/reply-icon.svg",
                "\/img\/svgs\/spinner-white-small.svg",
                "\/img\/svgs\/spinner-green-small.svg",
                "\/img\/svgs\/unlock.svg",
                "\/img\/logo\/flowcrypt-logo-19-19.png",
                "\/chrome\/elements\/compose.htm",
                "\/chrome\/elements\/pgp_block.htm",
                "\/chrome\/elements\/attachment.htm",
                "\/chrome\/elements\/attachment_preview.htm",
                "\/chrome\/elements\/passphrase.htm",
                "\/chrome\/elements\/add_pubkey.htm",
                "\/chrome\/elements\/pgp_pubkey.htm",
                "\/chrome\/elements\/backup.htm",
                "\/chrome\/elements\/oauth2.htm",
                "\/js\/common\/core\/feature-config-injector.js"
            ],
            "matches": [
                "https:\/\/mail.google.com\/*",
                "https:\/\/accounts.google.com\/*",
                "https:\/\/www.google.com\/*"
            ]
        }
    ],
    "minimum_chrome_version": "96",
    "content_security_policy": {
        "extension_pages": "script-src 'self'; frame-ancestors https:\/\/mail.google.com 'self'; img-src 'self' https:\/\/* data: blob:; frame-src 'self' blob:; worker-src 'self'; form-action 'none'; media-src 'none'; font-src 'none'; manifest-src 'none'; object-src 'none'; base-uri 'self';"
    }
}
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