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Block Lab

Contributors: lukecarbis, ryankienstra, Stino11, rheinardkorf Tags: gutenberg, blocks, block editor, fields, template Requires at least: 5.0 Tested up to: 5.5 Requires PHP: 5.6 Stable tag: trunk License: GPLv2 or later License URI:

The easy way to build custom blocks for Gutenberg.



The Block Lab team has moved to Genesis Custom Blocks. To take advantage of all the great things about Block Lab as well as gain access to all new features as they are released, we recommend that you install Genesis Custom Blocks.

If you’re an existing Block Lab user and would like to learn more about what this means for you, including how to easily and automatically migrate to the new plugin, you can find more details here.


A Familiar Experience

Work within the WordPress admin with an interface you already know.

Block Fields

Add from a growing list of available fields to your custom blocks.

Simple Templating

Let the plugin do the heavy lifting so you can use familiar WordPress development practices to build block templates.

Developer Friendly Functions

Simple to use functions, ready to render and work with the values stored through your custom block fields.



From Within WordPress

  • Visit Plugins > Add New
  • Search for "Block Lab"
  • Install the Block Lab plugin
  • Activate Block Lab from your Plugins page.


  • Clone Block Lab into a working directory with
  • cd into the block-lab directory, and run npm install && composer install
  • Next, build the scripts and styles with npm build
  • Move the block-lab folder to your /wp-content/plugins/ directory
  • Activate the Block Lab plugin through the Plugins menu in WordPress

Frequently Asked Questions

Q: Do I need to write code to use this plugin? A: Although the plugin handles the majority of the work in building a custom block, you will need to build HTML templates to display the content of the block. You can learn how in the developer documentation.

Q: I have an idea for the plugin A: This plugin is open source and can only be better through community contribution. The GitHub repo is here.

Q: Where can I find documentation for this plugin? A: Here


See Contributing to Genesis Custom Blocks.