youfilter is a free Chrome add-on developed by tincher that allows you to filter your YouTube subscriptions using a blacklist and/or a whitelist. With this tool, you can subscribe or unsubscribe to specific formats of specific channels, giving you more control over your YouTube feed.

By adding format names to the blacklist or whitelist, you can easily block or allow certain content from appearing in your subscriptions. This is particularly useful if you want to filter out videos of certain genres or topics that you're not interested in. With youfilter, you no longer have to manually scroll through your subscriptions to find the content you want to watch.

The best part is that your settings are synced with your Google account, ensuring that your preferences are always saved and accessible. You can easily view and change your settings in the dashboard, giving you the flexibility to customize your YouTube experience.

Overall, youfilter is a handy tool for anyone looking to have more control over their YouTube subscriptions. With its easy-to-use interface and syncing capabilities, it provides a convenient way to filter out unwanted content and focus on the videos that matter to you.