How To Use Slack Block Kit Builder

How To Articles

Slack, the widely used messaging application, has completely transformed the way we communicate in the workplace. Thanks to its extensive range of capabilities such as channels, direct messaging, and file sharing, Slack has become a crucial resource for teams to effectively collaborate. Among its many innovative features, the Block Kit Builder stands out as it allows individuals to design customized blocks to enrich and visually enhance their messages.

As a frequent user of Slack, I have found the Block Kit Builder to be a game-changer in terms of communication and expression within my team. In this article, I will guide you through the process of using the Slack Block Kit Builder and share some personal insights and tips along the way.

What is Slack Block Kit Builder?

The Slack Block Kit Builder is a web-based tool provided by Slack that enables users to create visually appealing and interactive blocks in their messages. These blocks can include text, images, buttons, menus, and more, allowing you to customize your messages to better convey your ideas or share important information.

The Block Kit Builder is an intuitive and user-friendly tool, designed to make it easy for anyone to create stunning and dynamic message blocks without the need for coding skills. Whether you want to highlight important updates, showcase a project, or simply add a touch of creativity, the Block Kit Builder has got you covered.

Getting Started with Slack Block Kit Builder

To start using the Slack Block Kit Builder, follow these simple steps:

  1. Open your web browser and go to the Slack website.
  2. Login to your Slack account using your credentials.
  3. Once logged in, navigate to the message input field where you usually type your messages.
  4. Click on the “+” icon on the left side of the message input field to open the Block Kit Builder.

Once you have accessed the Block Kit Builder, you will be greeted with a user-friendly interface that consists of various blocks and components. Let’s explore some of the key features and functionalities of this tool:

Blocks and Components

Blocks are the building blocks of your message. They can be added, rearranged, and customized to create the desired layout and content. Slack offers several types of blocks, including:

  • Section Block: Used to display a simple section of text.
  • Image Block: Allows you to add an image to your message.
  • Divider Block: Inserts a horizontal line to separate content.
  • Actions Block: Enables you to add buttons and menus for user interaction.
  • Context Block: Contains additional information or metadata for your message.

To add a block, simply click on the “+” icon located at the bottom of an existing block or in between two blocks. You can then choose the desired block type and proceed to customize its content and appearance.

Customization Options

The Block Kit Builder offers a wide range of customization options to make your blocks visually appealing and engaging. Some of the key customization options include:

  • Text Formatting: You can apply formatting styles such as bold, italic, bullet points, and numbering to your text.
  • Color Palette: Slack provides a palette of colors that you can use to customize the background, text, and borders of your blocks.
  • Image Upload: You can upload images directly from your computer or insert URLs to display images in your blocks.
  • Button Actions: Buttons can be customized with specific actions, such as opening a web page or triggering a Slack command.

Take your time to experiment with different customization options and find the best combination that suits your message and style.


The Slack Block Kit Builder is a fantastic tool that empowers users to create visually appealing and interactive blocks in their messages. With its easy-to-use interface and wide range of customization options, you can unleash your creativity and make your messages stand out.

As someone who values effective communication and collaboration, I have found the Block Kit Builder to be an invaluable addition to Slack. It allows me to express my ideas more clearly, engage with my team on a deeper level, and add a touch of personalization to my messages.

If you haven’t tried the Slack Block Kit Builder yet, I highly recommend giving it a go. You’ll be amazed at how it can elevate your messaging experience and enhance your team’s communication.