By: Grammarly
Inspect and view changes in Grammarly: AI Writing and Grammar Checker App source codes across current and past versions
Please login to examine the extension's source code.
manifest.json
{
"background": {
"scripts": [
"src/js/Grammarly-bg.js"
]
},
"browser_action": {
"default_icon": "src/icon/toolbar/icon32.png",
"default_popup": "src/popup.html",
"default_title": "Grammarly"
},
"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": [
"*://outlook.live.com/*",
"*://*.outlook.live.com/*",
"*://outlook.office.com/*",
"*://*.outlook.office.com/*",
"*://*.atlassian.net/*",
"*://mail.google.com/*",
"*://*.mail.google.com/*",
"*://quora.com/*",
"*://*.quora.com/*",
"*://*.slack.com/*",
"*://*.blackboard.com/*",
"*://*.blogger.com/*",
"*://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/*",
"*://*.papago.naver.com/*",
"*://readworks.org/*",
"*://*.readworks.org/*",
"*://app.nearpod.com/*",
"*://*.app.nearpod.com/*",
"*://mail.aol.com/*",
"*://*.mail.aol.com/*",
"*://github.com/*",
"*://*.github.com/*",
"*://coursera.org/*",
"*://*.coursera.org/*",
"*://commonlit.org/*",
"*://*.commonlit.org/*",
"*://classroom.google.com/*",
"*://*.classroom.google.com/*",
"*://app.seesaw.me/*",
"*://*.app.seesaw.me/*",
"*://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/*",
"*://*.slack.com/*",
"*://*.blackboard.com/*",
"*://*.blogger.com/*",
"*://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/*",
"*://*.papago.naver.com/*",
"*://readworks.org/*",
"*://*.readworks.org/*",
"*://app.nearpod.com/*",
"*://*.app.nearpod.com/*",
"*://mail.aol.com/*",
"*://*.mail.aol.com/*",
"*://github.com/*",
"*://*.github.com/*",
"*://coursera.org/*",
"*://*.coursera.org/*",
"*://commonlit.org/*",
"*://*.commonlit.org/*",
"*://classroom.google.com/*",
"*://*.classroom.google.com/*",
"*://app.seesaw.me/*",
"*://*.app.seesaw.me/*",
"*://forms.office.com/*",
"*://*.forms.office.com/*"
],
"exclude_globs": [
"*docs.google.com*"
],
"run_at": "document_idle"
},
{
"all_frames": true,
"match_about_blank": false,
"css": [
"src/css/Grammarly-fonts.styles.css"
],
"js": [
"src/js/Grammarly.styles.js",
"src/js/Grammarly.js"
],
"matches": [
"*://outlook.live.com/*",
"*://*.outlook.live.com/*",
"*://outlook.office.com/*",
"*://*.outlook.office.com/*"
],
"exclude_globs": [
"*docs.google.com*"
],
"run_at": "document_idle"
},
{
"all_frames": false,
"css": [
"src/css/Grammarly-fonts.styles.css"
],
"js": [
"src/js/Grammarly-gDocs.styles.js",
"src/js/Grammarly-gDocs.js"
],
"matches": [
"*://docs.google.com/document/*"
],
"run_at": "document_idle"
},
{
"all_frames": false,
"js": [
"src/js/Grammarly-gDocsEarlyInjector.js"
],
"matches": [
"*://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": "default-src 'none'; font-src 'self' data:; img-src * data: blob:; media-src https://assets.extension.grammarly.com; script-src 'self'; style-src 'self' 'unsafe-inline'; frame-src 'self' https://d3ttvzt45fz9bg.cloudfront.net; connect-src https://auth.grammarly.com https://assets.grammarly.com/ https://data.grammarly.com https://capi.grammarly.com https://dox.grammarly.com https://institution.grammarly.com wss://capi.grammarly.com https://gnar.grammarly.com https://in.grammarly.com https://f-log.grammarly.io https://f-log-extension.grammarly.io https://f-log-editor.grammarly.io https://f-log-inkwell.grammarly.io https://config.extension.grammarly.com https://chipmunk.grammarly.com https://treatment.grammarly.com https://gates.grammarly.com https://goldengate.grammarly.com https://femetrics.grammarly.io https://extension.femetrics.grammarly.io https://inkwell.femetrics.grammarly.io https://rwsgfy.grammarly.com https://assets.extension.grammarly.com https://api.iterable.com https://skills.grammarly.com https://skills-proxy.grammarly.com https://gateway.grammarly.com https://coda.grammarly.com https://coda.io https://codahosted.io https://gr-core-prod-assistant-file.s3.amazonaws.com https://gr-core-prod-assistant-file.s3.us-east-1.amazonaws.com https://gr-core-prod-go-chat-attachment.s3.amazonaws.com https://gr-core-prod-go-chat-attachment.s3.us-east-1.amazonaws.com https://gr-preprod-core-assistant-file.s3.amazonaws.com https://gr-preprod-core-assistant-file.s3.us-east-1.amazonaws.com https://gr-preprod-core-go-chat-attachment.s3.amazonaws.com https://gr-preprod-core-go-chat-attachment.s3.us-east-1.amazonaws.com https://gr-qa-core-assistant-file.s3.amazonaws.com https://gr-qa-core-assistant-file.s3.us-east-1.amazonaws.com https://gr-qa-core-go-chat-attachment.s3.amazonaws.com https://gr-qa-core-go-chat-attachment.s3.us-east-1.amazonaws.com https://subscription.grammarly.com https://id.superhuman.com https://gnar.superhuman.com https://capi.superhuman.com https://data.superhuman.com https://gateway.superhuman.com https://dox.superhuman.com https://institution.superhuman.com https://in.superhuman.com https://f-log-extension.superhuman.io https://f-log-editor.superhuman.io https://f-log-inkwell.superhuman.io https://config.extension.superhuman.com https://chipmunk.superhuman.com https://treatment.superhuman.com https://gates.superhuman.com https://subscription.superhuman.com ; report-uri https://f-log-extension.grammarly.io/logv2; ",
"description": "Improve your writing with Grammarly's AI assistance. Get spell check, grammar check, generative AI, and more in one tool. Real-time suggestions for improving tone and clarity help ensure your writing makes the impression you want.",
"icons": {
"16": "src/icon/sidepanel/icon16.png",
"32": "src/icon/sidepanel/icon32.png",
"48": "src/icon/app/icon-48.png",
"128": "src/icon/app/icon-128.png"
},
"manifest_version": 2,
"name": "Grammarly: AI Writing and Grammar Checker App",
"short_name": "Grammarly",
"permissions": [
"http://*/*",
"https://*/*",
"tabs",
"notifications",
"cookies",
"identity",
"storage"
],
"version": "8.937.0",
"web_accessible_resources": [
"src/fonts/*.woff",
"src/fonts/*.woff2",
"src/images/*.png",
"src/images/*.svg",
"src/images/*.jpg",
"src/images/*.gif",
"src/images/*.webp",
"src/js/*.js",
"src/css/*.css",
"src/icon/toolbar/*.png",
"src/icon/toolbar/superhuman_go/*.png",
"src/icon/app/*.png",
"src/inkwell/index.html",
"src/inkwell/assets/*.js"
],
"optional_permissions": [
"nativeMessaging",
"clipboardRead"
],
"browser_specific_settings": {
"gecko": {
"id": "87677a2c52b84ad3a151a4a72f5bd3c4@jetpack"
}
}
} Best Grammarly: AI Writing and Grammar Checker App Alternatives
Here are some Firefox add-ons that are similar to Grammarly: AI Writing and Grammar Checker App:
Pencilo: AI Writing Assistant
Nikola Dakic
Grammar Checker and Text Rewriter — Linguix
Linguix.com
Wordtune: AI Writing, Paraphrasing & Grammar Tool
AI21
Trinka AI for Firefox
Crimson AI
Trinka AI for Firefox
Crimson AI
Grmmr
naman
AI Grammer Checking by SpellFast
SpellFast AI Founder
Trinka AI
Crimson AI
ProWritingAid
ProWritingAid
Grammar Checker-Multilingual
mulsim leader
Language Improver
Dhananjay Kumar
Cleverly Write
Tisankan Jeyakumar