Uploaded June 2026 | Updated September 2026, 1 week ago
Get started with Safari web extensions by building and testing one from the ground up — no Xcode required. Explore how content blocking, page modification, native messaging, and the permissions mode work together to create a powerful, privacy-preserving browsing experience across platforms.
Explore related documentation, sample code, and more:
w3.org — W3C WebExtensions Community Group: w3.org/community/webextensions
Packaging and distributing Safari Web Extensions with App Store Connect: developer.apple.com/documentation/SafariServices/packaging-and-distributing-safari-web-extensions-with-app-store-connect
WebKit.org – Report issues to the WebKit open-source project: bugs.webkit.org
Submit feedback: feedbackassistant.apple.com
MDN Web Docs - Web Extensions API: developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API
What’s new in WebKit for Safari 27: developer.apple.com/videos/play/wwdc2026/204
00:00 - Introduction
03:23 - Get started
07:23 - Block content
14:40 - Modify webpages
19:53 - Package and distribute
22:33 - Communicate with your app
26:04 - Next steps
More Apple Developer resources:
Video sessions: apple.co/VideoSessions
Documentation: apple.co/DeveloperDocs
Forums: apple.co/DeveloperForums
App: apple.co/DeveloperApp
Get started with Safari web extensions by building and testing one from the ground up — no Xcode required. Explore how content blocking, page modification, native messaging, and the permissions mode work together to create a powerful, privacy-preserving browsing experience across platforms.
Explore related documentation, sample code, and more:
w3.org — W3C WebExtensions Community Group: w3.org/community/webextensions
Packaging and distributing Safari Web Extensions with App Store Connect: developer.apple.com/documentation/SafariServices/packaging-and-distributing-safari-web-extensions-with-app-store-connect
WebKit.org – Report issues to the WebKit open-source project: bugs.webkit.org
Submit feedback: feedbackassistant.apple.com
MDN Web Docs - Web Extensions API: developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API
What’s new in WebKit for Safari 27: developer.apple.com/videos/play/wwdc2026/204
00:00 - Introduction
03:23 - Get started
07:23 - Block content
14:40 - Modify webpages
19:53 - Package and distribute
22:33 - Communicate with your app
26:04 - Next steps
More Apple Developer resources:
Video sessions: apple.co/VideoSessions
Documentation: apple.co/DeveloperDocs
Forums: apple.co/DeveloperForums
App: apple.co/DeveloperApp
