A lot of work has already been done. Https://wiki.archiveteam.org/index.php/Chrome_Web_Store, https://www.crx4chrome.com/ and https://extpose.com/. Source: over 1 year ago

Go to https://extpose.com/. Download the extensions you want, extract them. Go to your browser extension page, turn on the developer mode, add those extracted extensions. Source: about 2 years ago

Today I downloaded something that could be considered "dodgy", while making some art in blender suddenly my chrome opened a tab with the url: extpose.com and this as title in my history: Crosspilot migomhggnppjdijnfkiimcpjgnhmnale - extpose. Source: over 2 years ago

Https://publicwww.com/ is a great tool for this, though the size of its index leaves a lot to be desired. Still, for enumerating well-SEO'd homepages that use a certain tech stack, it's quite useful! - Source: Hacker News / 9 months ago

You can also use the PublicWWW service. It helps you to find snippets and key words in the HTML, JS, and CSS webpage code. For instance, fbevents. js query will show you a large number of websites containing a Facebook pixel. This list can be useful for obtaining necessary cookies. Source: over 1 year ago

- Brave (recently started its own index but often falls back on Google's) Love to see projects like Marginalia and now this. These projects also make meta search engines like Searx[0] that much more powerful. Anyways since I'm in the business of listing out relevant projects, other code-centered search engines you might wanna check out are searchcode.com[1], codesearch.ai[2], symbolhound[3], and publicwww.com[4]... - Source: Hacker News / over 1 year ago

Or https://publicwww.com which has a free option. Source: over 1 year ago

Https://publicwww.com/ - search by website source code. Source: about 2 years ago