Ever spent hours wrangling a WYSIWYG editor that just doesn’t get you?

Building rich text editors is notoriously hard—especially when they need to support real-time collaboration, AI integrations, and massive documents while performing smoothly across browsers, devices, and locales.

Sanity Studio has always shipped with the Portable Text Editor, built on top of Slate.js, to let thousands of creators author structured, presentation-agnostic block content. But producing customizable data wasn’t enough—we also needed a format that avoids storing HTML strings while being easy to render across apps, websites, or even print.