Newspack Content Converter
Plugin that enables automated conversion of pre-Gutenberg post content, to Gutenberg blocks content.
by Automattic · github.com/automattic/newspack-content-converter
Install
No release zip yet. The repository archive installs, but the folder name will carry the branch suffix and updates will not flow:
wp plugin install https://github.com/automattic/newspack-content-converter/archive/refs/heads/master.zipMass-conversion of pre-Gutenberg Classic HTML Posts and Pages to Gutenberg Blocks.
Disclaimer
Make sure to back up your site contents fully, because this converter updates the content of your database permanently by replacing the classic HTML content with Gutenberg Blocks content.
This plugin is open source, and the creators can not be held responsible for any data loss or consequences of its usage.
Convert HTML to Blocks
The "Content Converter" > "Converter" submenu item in the Dashboard's main allows you to mass convert all your HTML posts to Gutenberg blocks.
Every time this screen is loaded, it will scan your existing posts and display the number of unconverted posts which can then be converted. All Posts which do not begin with block syntax `