X Country Filter — a local, open-source feed filter

X Country Filter gives you more control over what stays visible in your X feed. Choose countries to hide; matching posts are filtered locally in your browser, with no external relay.

Chrome: https://chromewebstore.google.com/detail/country-filter-for-x-twit/cocohplmilpblbkoikolbhakjipccioa
GitHub: https://github.com/apoorvdarshan/x-country-filter
Product Hunt: https://www.producthunt.com/products/country-filter-for-x-twitter/