Slack Block User is a free and open-source Chrome extension developed by Khoi-Phong Le. It falls under the category of Browsers and is classified as an Add-ons & Tools subcategory.

This lightweight extension is designed to help users deal with annoying users, bots, or apps on their Slack workspace. With just a few clicks, you can easily block unwanted messages from specific users.

To block a user, simply select their username in the message list to bring up their user card, and then click on the "Block" option with an evil icon. The user's messages will be instantly blocked.

To unblock a user, access the extension's configuration by right-clicking on the extension icon located in the top right corner of your browser. From there, go to the extension options, select your workspace, click on the username you want to unblock, and reload the current workspace to apply the changes.

The latest version of Slack Block Userincludes various improvements, such as immediate application of blocks, updated button text when blocking a user, enhanced rendering performance, and the ability to block messages from apps and in threads. The extension is also open-source, with its source code available on GitHub.

Overall, Slack Block User provides a simple and effective solution for managing unwanted messages on Slack workspaces. Its intuitive interface and seamless blocking process make it a valuable tool for enhancing your Slack experience.