hello, extensions between firefox and chrome are not compatible - so you can't do that unfortunately (many developers offer addons with the same functionality for each browser though, so maybe this is also the case for the addon that you're searching).

HMA for Chrome and Firefox - FAQs – HMA Support Jun 10, 2020 Debugging Extensions - Google Chrome Chrome browser and the Chrome Web Store will continue to support extensions. Read the announcement and learn more about migrating your app. Debugging Extensions. Extensions are able to leverage the same debugging benifits Chrome DevTools provides for web pages, but they carry unique behavior properties. Becoming a master extension debugger Is there a way to use Firefox extensions with Chrome? - Quora Jun 23, 2019

After reading last month’s “Let’s Write a Web Extension,” I was inspired to try and port a real-world add-on to a WebExtension.Specifically, I tried to port the Chrome version of the popular, open-source “Reddit Enhancement Suite” (RES) to Firefox. Here’s what I learned, and what you can do today to prepare your own add-ons for the transition.

Microsoft brings Windows Defender to Chrome and Firefox

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Aside from the 5100 + servers available in 59 countries, NordVPN for Chrome offers additional features that might be useful. The Chrome extension automatically blocks WebRTC — a protocol that could leak your IP. Another neat feature is CyberSec — it blocks ads and protects you … Use Chome Extensions in Firefox - YouTube Apr 23, 2018