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Get started
A 30-second intro to the playground
Blocks
Text & structure
Headings
H1, H2, H3 plus body text
Lists
Bulleted, numbered, and check
Quote
Pull-quote callouts
Code
Syntax-highlighted code blocks
Table
Resizable rows and columns
Divider & page break
Horizontal rule and PDF page break
Media & layout
Image
Drag-and-drop, paste, or upload
Columns layout
Place blocks side by side
Accordion
Collapsible sections
Poll
Inline voting
YouTube
Embed a video by URL
Tweet
Embed a tweet by URL
Chemistry
SMILES drawer
2D structures from SMILES
Molecule drawer
Ketcher — full structural editor
3D molecule
Rotate and zoom in 3D
Retrosynthesis
AI retrosynthetic routes
Math
KaTeX equation
Inline LaTeX math
LaTeX block
Full TeX engine, TikZ ready
Biology
DNA / sequence
Annotated sequences
Drawing
Excalidraw whiteboard
Shapes, drawing, and text on paper backgrounds
Figma embed
Embed Figma files by URL
Diagrams
UML class
OOP class diagram with inheritance
UML sequence
Lifelines, messages, activations
BPMN process
BPMN 2.0 modeler
Examples
Get started
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