TubeBuddy is a free browser extension that integrates directly into YouTube to help you run your channel with ease. You can perform bulk updates to your videos, such as adding annotations or cards to all your videos with just a few clicks. You can perform Find/Replace on your videos just as if you were using a word processor. You have the chance to generate professional custom thumbnails using screenshots and branding/text layers. You can engage with your audience quicker and more efficiently, export your list of subscribers and their social profiles, and get detailed analysis of competitor channels. You can promote your new upload across all other videos.