Personalize & test emails with Litmus—wherever you build.
Litmus Extension
Whether you’re using a local editor or your email service provider’s email editor to create emails, Litmus Extension lets you personalize, preview, troubleshoot, and optimize your email right where you build, saving you time and helping you boost email accuracy & engagement.
You can download the Litmus Extension for free, but it requires a paid Litmus account for full access to pre-send email testing and personalization.
Learn more and sign up: litmus.com/extension
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You can download the Litmus Extension for free, but it requires a paid Litmus account for full access to pre-send email testing and personalization.
Learn more and sign up: litmus.com/extension
Source Manifest.json
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"*://members.s5.exacttarget.com/Content/Email/*", "*://members.s6.exacttarget.com/Content/Email/*", "*://members.s7.exacttarget.com/Content/Email/*", "*://members.s8.exacttarget.com/Content/Email/*", "*://members.s9.exacttarget.com/Content/Email/*", "*://members.s10.exacttarget.com/Content/Email/*", "*://members.s11.exacttarget.com/Content/Email/*", "*://members.s12.exacttarget.com/Content/Email/*", "*://members.s13.exacttarget.com/Content/Email/*", "*://members.s14.exacttarget.com/Content/Email/*", "*://members.s15.exacttarget.com/Content/Email/*", "*://*.eloqua.com/*", "*://*.eloquaeditors.com/*", "*://user-content.s1.sfmc-content.com/*", "*://user-content.s2.sfmc-content.com/*", "*://user-content.s3.sfmc-content.com/*", "*://user-content.s4.sfmc-content.com/*", "*://user-content.s5.sfmc-content.com/*", "*://user-content.s6.sfmc-content.com/*", "*://user-content.s7.sfmc-content.com/*", "*://user-content.s8.sfmc-content.com/*", "*://user-content.s9.sfmc-content.com/*", "*://user-content.s10.sfmc-content.com/*", "*://user-content.s11.sfmc-content.com/*", "*://user-content.s12.sfmc-content.com/*", "*://user-content.s13.sfmc-content.com/*", "*://user-content.s14.sfmc-content.com/*", "*://user-content.s15.sfmc-content.com/*", "*://*.klaviyo.com/*" ], "icons": { "16": "images/icon16.png", "32": "images/icon32.png", "48": "images/icon48.png", "128": "images/icon128.png" }, "action": { "default_icon": { "19": "images/icon19.png", "38": "images/icon38.png" }, "default_title": "Litmus" }, "content_security_policy": { "extension_pages": "script-src 'self'; object-src 'self';", "sandbox": "sandbox allow-scripts allow-forms allow-popups allow-modals; script-src 'self' 'unsafe-inline' 'unsafe-eval'; child-src 'self';" }, "content_scripts": [ { "matches": [ "file://*", "http://localhost/*.htm", "http://localhost/*.html", "http://127.0.0.1/*.html", "*://*.adobe-campaign.com/*", "*://experience.adobe.com/*", "*://*.mailchimp.com/*", "*://*.campaignmonitor.com/*", "*://*.createsend.com/*", "*://*.exacttarget.com/*", "*://*.pardot.com/*", "*://*.responsys.net/emd/c/campaigndesigner/framework/page/launch*", "*://*.rsys8.net/emd/c/campaigndesigner/framework/page/launch*", "*://*.rsys9.net/emd/c/campaigndesigner/framework/page/launch*", "*://*.responsys.ocs.oraclecloud.com/emd/c/campaigndesigner/framework/page/launch*", "*://*.marketodesigner.com/*", "*://*.exacttarget.com/cloud/#*", "*://*.marketingcloudapps.com/*", "*://*.eloqua.com/*", "*://cloud.goacoustic.com/*", "*://*.klaviyo.com/*" ], "include_globs": [ "file://*", "http://127.0.0.1/*.html", "http://127.0.0.1:*/*.html", "http://localhost/*.htm", "http://localhost/*.html", "http://localhost:*/*.htm", "http://localhost:*/*.html", "*://*.adobe-campaign.com/*", "*://experience.adobe.com/*", "*://*.createsend.com/*", "*://*.mailchimp.com/campaigns/wizard/recipients*", "*://*.mailchimp.com/campaigns/wizard/setup*", "*://*.mailchimp.com/campaigns/wizard/template*", "*://*.mailchimp.com/campaigns/wizard/html-paste*", "*://*.mailchimp.com/campaigns/wizard/neapolitan*", "*://*.mailchimp.com/campaigns/wizard/confirm*", "*://*.mailchimp.com/templates/edit*", "*://*.mailchimp.com/templates/design*", "*://*.exacttarget.com/cloud/#app/Email/*", "*://*.exacttarget.com/cloud/#app/Campaigns/*", "*://*.pardot.com/email/*", "*://*.responsys.net/emd/c/campaigndesigner/framework/page/launch*", "*://*.rsys8.net/emd/c/campaigndesigner/framework/page/launch*", "*://*.rsys9.net/emd/c/campaigndesigner/framework/page/launch*", "*://*.responsys.ocs.oraclecloud.com/emd/c/campaigndesigner/framework/page/launch*", "*://*.marketodesigner.com/*", "*://*.exacttarget.com/cloud/#*", "*://*.marketingcloudapps.com/*", "*://*.eloqua.com/*", "*://cloud.goacoustic.com/*", "*://*.klaviyo.com/*" ], "css": [ "css/iframe.css" ], "js": [ "inject.js" ], "run_at": "document_end" }, { "matches": [ "" ], "exclude_globs": [ "file://*", "http://localhost/*.htm", "http://localhost/*.html", "http://localhost:*/*.htm", "http://localhost:*/*.html", "http://127.0.0.1:*/*.html", "*://*.adobe-campaign.com/*", "*://experience.adobe.com/*", "*://*.campaignmonitor.com/*", "*://*.pardot.com/*", "*://*.createsend.com/*", "*://*.mailchimp.com/campaigns/wizard/recipients*", "*://*.mailchimp.com/campaigns/wizard/setup*", "*://*.mailchimp.com/campaigns/wizard/template*", "*://*.mailchimp.com/campaigns/wizard/html-paste*", "*://*.mailchimp.com/campaigns/wizard/neapolitan*", "*://*.mailchimp.com/campaigns/wizard/confirm*", "*://*.mailchimp.com/templates/edit*", "*://*.mailchimp.com/templates/design*", "*://*.exacttarget.com/cloud/#app/Email/*", "*://*.exacttarget.com/cloud/#app/Campaigns/*", "*://cloud.goacoustic.com/*", "*://*.pardot.com/email/*", "*://*.responsys.net/emd/c/campaigndesigner/framework/page/launch*", "*://*.rsys8.net/emd/c/campaigndesigner/framework/page/launch*", "*://*.rsys9.net/emd/c/campaigndesigner/framework/page/launch*", "*://*.responsys.ocs.oraclecloud.com/emd/c/campaigndesigner/framework/page/launch*", "*://*.marketodesigner.com/*", "*://*.exacttarget.com/cloud/#*", "*://*.marketingcloudapps.com/*", "*://*.eloqua.com/*", "*://*.klaviyo.com/*" ], "css": [ "css/iframe.css" ], "js": [ "nonESPInject.js" ], "run_at": "document_end" }, { "matches": ["*://*.adobe-campaign.com/*/acritePreview.jssp"], "js": ["adobe_campaign_email_designer_preview.js"], "all_frames": true, "run_at": "document_end" }, { "matches": ["*://*.campaign.adobe.com/*/acriteIndex.jssp"], "js": ["adobe_campaign_email_designer_subject_line.js"], "all_frames": true, "run_at": "document_end" }, { "matches": [ "*://*.mailchimp.com/*" ], "js": [ "mailchimpInject.js" ], "run_at": "document_end" }, { "matches": [ "*://*.goacoustic.com/ux/*" ], "js": [ "ibm-iframe.js" ], "all_frames": true, "run_at": "document_end" }, { "matches": [ "*://email-app.marketingcloudapps.com/*", "*://content-builder.marketingcloudapps.com/*", "*://*.exacttarget.com/cloud/tools/SSO.aspx?appId=*", "*://*.marketingcloudapps.com/*" ], "js": [ "exacttarget-dashboard.js" ], "all_frames": true, "run_at": "document_end" }, { "matches": [ "*://user-content.s1.sfmc-content.com/*", "*://user-content.s2.sfmc-content.com/*", "*://user-content.s3.sfmc-content.com/*", "*://user-content.s4.sfmc-content.com/*", "*://user-content.s5.sfmc-content.com/*", "*://user-content.s6.sfmc-content.com/*", "*://user-content.s7.sfmc-content.com/*", "*://user-content.s8.sfmc-content.com/*", "*://user-content.s9.sfmc-content.com/*", "*://user-content.s10.sfmc-content.com/*", "*://user-content.s11.sfmc-content.com/*", "*://user-content.s12.sfmc-content.com/*", "*://user-content.s13.sfmc-content.com/*", "*://user-content.s14.sfmc-content.com/*", "*://user-content.s15.sfmc-content.com/*" ], "js": [ "exacttarget-preview-and-test.js" ], "all_frames": true, "run_at": "document_end" }, { "matches": [ "*://*.eloquaeditors.com/editor.aspx*" ], "js": [ "eloqua.js" ], "all_frames": true, "run_at": "document_end" }, { "matches": ["*://*.pardot.com/email/*"], "js": ["pardot.js"], "all_frames": true, "run_at": "document_end" }, { "matches": ["*://*.pardot.com/email/*previewSource*"], "js": ["pardot-preview.js"], "all_frames": true, "run_at": "document_end" } ], "host_permissions": [ "" ], "web_accessible_resources": [ { "resources": [ "globals.js", "startpage/index.html", "sidebar/index.html", "dashboard/index.html", "css/iframe.css", "css/litmusBeacon.css", "newrelic/nr-spa-1044.min.js", "inject.js", "nativeMessages.js", "reloadMessages.js", "images/draggable-icon.png", "images/close-modal.png", "images/arrow-left.png", "images/arrow-right.png", "images/preview-blur-large.jpg", "images/lock-icon.png", "images/icon128.png", "images/icon128-gray.png", "images/beacon.png", "images/allow-access-graphic.png", "fonts/*" ], "matches": ["http://*/*", "https://*/*", "file://*/*"] } ], "background": { "service_worker": "background.js" }}
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