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Grammarly: AI Writing Assistant and Grammar Checker App

Grammarly: AI Writing Assistant and Grammar Checker App

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View Grammarly: AI Writing Assistant and Grammar Checker App Chrome Extension on Chrome Web Store
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1,227 views
This extension has been viewed 1,227 times
1 downloads
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Grammarly for Chrome helps you write with confidence. Get AI support for grammar, clarity, and tone, from first draft to final edit.
Type
Extension
Users
44,000,000 users
500K
Grammarly
View author page of Grammarly
Featured Extension

Hand-picked for quality and usefulness

Published
Published on October 22, 2012
Version 14.1264.0
Manifest version
3
Updated
Updated on November 19, 2025
productivity/communication
Extension Category
Website
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View Grammarly: AI Writing Assistant and Grammar Checker App 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",
    "action": {
        "default_icon": "src\/icon\/toolbar\/icon32.png",
        "default_popup": "src\/popup.html",
        "default_title": "Grammarly"
    },
    "background": {
        "service_worker": "sw.js"
    },
    "content_scripts": [
        {
            "all_frames": true,
            "match_about_blank": true,
            "css": [
                "src\/css\/Grammarly-fonts.styles.css"
            ],
            "js": [
                "src\/js\/Grammarly-check.styles.js",
                "src\/js\/Grammarly-check.js"
            ],
            "matches": [
                "<all_urls>"
            ],
            "exclude_matches": [
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                "*:\/\/*.outlook.live.com\/*",
                "*:\/\/outlook.office.com\/*",
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                "*:\/\/forms.office.com\/*",
                "*:\/\/*.forms.office.com\/*",
                "*:\/\/docs.google.com\/document\/*"
            ],
            "exclude_globs": [
                "*docs.google.com*"
            ],
            "run_at": "document_idle"
        },
        {
            "all_frames": true,
            "match_about_blank": true,
            "css": [
                "src\/css\/Grammarly-fonts.styles.css"
            ],
            "js": [
                "src\/js\/Grammarly.styles.js",
                "src\/js\/Grammarly.js"
            ],
            "matches": [
                "*:\/\/*.atlassian.net\/*",
                "*:\/\/mail.google.com\/*",
                "*:\/\/*.mail.google.com\/*",
                "*:\/\/quora.com\/*",
                "*:\/\/*.quora.com\/*",
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                "*:\/\/publish.buffer.com\/*",
                "*:\/\/*.publish.buffer.com\/*",
                "*:\/\/facebook.com\/*",
                "*:\/\/*.facebook.com\/*",
                "*:\/\/calendar.google.com\/*",
                "*:\/\/*.calendar.google.com\/*",
                "*:\/\/keep.google.com\/*",
                "*:\/\/*.keep.google.com\/*",
                "*:\/\/intercom.io\/*",
                "*:\/\/*.intercom.io\/*",
                "*:\/\/linkedin.com\/*",
                "*:\/\/*.linkedin.com\/*",
                "*:\/\/medium.com\/*",
                "*:\/\/*.medium.com\/*",
                "*:\/\/messenger.com\/*",
                "*:\/\/*.messenger.com\/*",
                "*:\/\/teams.microsoft.com\/*",
                "*:\/\/*.teams.microsoft.com\/*",
                "*:\/\/translate.google.com\/*",
                "*:\/\/*.translate.google.com\/*",
                "*:\/\/reddit.com\/*",
                "*:\/\/*.reddit.com\/*",
                "*:\/\/youtube.com\/*",
                "*:\/\/*.youtube.com\/*",
                "*:\/\/twitter.com\/*",
                "*:\/\/*.twitter.com\/*",
                "*:\/\/x.com\/*",
                "*:\/\/*.x.com\/*",
                "*:\/\/*.lightning.force.com\/*",
                "*:\/\/trello.com\/*",
                "*:\/\/*.trello.com\/*",
                "*:\/\/upwork.com\/*",
                "*:\/\/*.upwork.com\/*",
                "*:\/\/web.whatsapp.com\/*",
                "*:\/\/*.web.whatsapp.com\/*",
                "*:\/\/wix.com\/*",
                "*:\/\/*.wix.com\/*",
                "*:\/\/wordpress.com\/*",
                "*:\/\/*.wordpress.com\/*",
                "*:\/\/*.zendesk.com\/*",
                "*:\/\/wattpad.com\/*",
                "*:\/\/*.wattpad.com\/*",
                "*:\/\/onlinechatdashboard.com\/*",
                "*:\/\/*.onlinechatdashboard.com\/*",
                "*:\/\/wordcounter.net\/*",
                "*:\/\/*.wordcounter.net\/*",
                "*:\/\/fiverr.com\/*",
                "*:\/\/*.fiverr.com\/*",
                "*:\/\/educationperfect.com\/*",
                "*:\/\/*.educationperfect.com\/*",
                "*:\/\/apclassroom.collegeboard.org\/*",
                "*:\/\/*.apclassroom.collegeboard.org\/*",
                "*:\/\/studio.youtube.com\/*",
                "*:\/\/*.studio.youtube.com\/*",
                "*:\/\/chat.google.com\/*",
                "*:\/\/*.chat.google.com\/*",
                "*:\/\/twitch.tv\/*",
                "*:\/\/*.twitch.tv\/*",
                "*:\/\/papago.naver.com\/*",
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                "*:\/\/readworks.org\/*",
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                "*docs.google.com*"
            ],
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        },
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            "match_about_blank": false,
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            ],
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                "src\/js\/Grammarly.js"
            ],
            "matches": [
                "*:\/\/outlook.live.com\/*",
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                "src\/css\/Grammarly-fonts.styles.css"
            ],
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                "src\/js\/Grammarly-gDocs.js"
            ],
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                "*:\/\/docs.google.com\/document\/*"
            ],
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        },
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            "js": [
                "src\/js\/Grammarly-gDocsEarlyInjector.js"
            ],
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                "*:\/\/docs.google.com\/document\/*"
            ],
            "run_at": "document_start"
        },
        {
            "all_frames": true,
            "match_about_blank": true,
            "js": [
                "src\/js\/Grammarly-gDocsIframeCs.js"
            ],
            "matches": [
                "*:\/\/docs.google.com\/*"
            ],
            "exclude_matches": [
                "*:\/\/docs.google.com\/document\/*"
            ],
            "run_at": "document_idle"
        },
        {
            "all_frames": false,
            "js": [
                "src\/js\/Grammarly-overleafStartContentScript.js"
            ],
            "matches": [
                "https:\/\/*.overleaf.com\/*"
            ],
            "run_at": "document_start"
        }
    ],
    "content_security_policy": {
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    },
    "description": "Grammarly for Chrome helps you write with confidence. Get AI support for grammar, clarity, and tone, from first draft to final edit.",
    "externally_connectable": {
        "matches": [
            "https:\/\/*.grammarly.com\/*"
        ]
    },
    "side_panel": {
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    },
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    },
    "host_permissions": [
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    ],
    "manifest_version": 3,
    "name": "Grammarly: AI Writing Assistant and Grammar Checker App",
    "short_name": "Superhuman Go (Beta)",
    "permissions": [
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        "sidePanel",
        "tabs",
        "notifications",
        "cookies",
        "identity",
        "storage"
    ],
    "version": "14.1264.0",
    "web_accessible_resources": [
        {
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                "src\/fonts\/*.woff2",
                "src\/images\/*.png",
                "src\/images\/*.svg",
                "src\/images\/*.jpg",
                "src\/images\/*.gif",
                "src\/images\/*.webp",
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            ]
        }
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        "clipboardRead"
    ],
    "storage": {
        "managed_schema": "src\/schema.json"
    },
    "minimum_chrome_version": "88"
}
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