You’ve got two options: Contact the extension’s developer, and ask for assistance. Edit the source code I’m going to explain how you can modify an extension, and install it, in easy terms. Getting the source and modifying it Install the Chrome extension source viewer. Go to the page in the Chrome Web Store of the … Read more
Not possible at the moment without forking the whole chromium project. See bug report #50913 (Status: WontFix). Possible workarounds: If you right click on a tab you can Pin Tab. This will remove the close button but you can still close it with ctrl+w. Unfortunately, this will also remove the window title. The close button … Read more
When an extension is unloaded, the existing content scripts lose their connection to the rest of the extension—i.e. ports close, and they would be unable to use runtime.sendMessage()—but the content scripts themselves still continue to work, as they’re already injected into their pages. It’s the same when an extension is reloaded: those existing content scripts … Read more
You use the Chrome Web Store. 2 options are available: Share an unlisted Chrome extension from the Chrome Web Store (anyone with the link will be able to install it) Chrome customers using G Suite or Education can use the Chrome Web Store to host private apps restricted only to their users on the same … Read more
Some of the other answers here have good debugging advice or small pieces of the puzzle, however if you want to inject into (3rd party) web pages like me, then no answers here listed the correct components. There are 4 steps: an external background listener, the foreground message sender, injecting extension id for the message … Read more
The following method registers an application to a URI Scheme. So, you can use mycustproto: in your HTML code to trigger a local application. It works on a Google Chrome Version 51.0.2704.79 m (64-bit). I mainly used this method for printing document silently without the print dialog popping up. The result is pretty good and … Read more
In general, you cannot change the response body of a HTTP request using the standard Chrome extension APIs. This feature is being requested at 104058: WebRequest API: allow extension to edit response body. Star the issue to get notified of updates. If you want to edit the response body for a known XMLHttpRequest, inject code … Read more
Update 2016: Google Chrome released the storage API: https://developer.chrome.com/docs/extensions/reference/storage/ It is pretty easy to use like the other Chrome APIs and you can use it from any page context within Chrome. // Save it using the Chrome extension storage API. chrome.storage.sync.set({‘foo’: ‘hello’, ‘bar’: ‘hi’}, function() { console.log(‘Settings saved’); }); // Read it using the storage … Read more