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How can I create a custom Gutenberg block in WordPress?

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How can I create a custom Gutenberg block in WordPress?

Asked on Feb 26, 2026

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Creating a custom Gutenberg block in WordPress involves using JavaScript and the WordPress Block Editor API. You'll need to set up a development environment and write the block's code using React and JSX.

<!-- BEGIN COPY / PASTE -->
    // Register a custom block
    wp.blocks.registerBlockType('my-plugin/custom-block', {
      title: 'Custom Block',
      icon: 'smiley',
      category: 'common',
      edit: function() {
        return wp.element.createElement('p', null, 'Hello World, this is a custom block!');
      },
      save: function() {
        return wp.element.createElement('p', null, 'Hello World, this is a custom block!');
      }
    });
    <!-- END COPY / PASTE -->

Additional Comment:

Ensure you have Node.js and npm installed to set up your development environment.
Use the WordPress @wordpress/scripts package to simplify the build process with Webpack and Babel.
Consider using a starter plugin or boilerplate to speed up the initial setup.
Test your block thoroughly in the Block Editor to ensure compatibility and functionality.

✅ Answered with WordPress best practices.

Ask any question about WordPress here... and get an instant response.

How can I create a custom Gutenberg block in WordPress?

Asked on Feb 26, 2026

Answer

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