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Text to Editable Diagram

Describe a process or system and get a hand-drawn style diagram you can edit.

Intermediate14h1–2 people17/20 fit
TL;DR

Build Text to Editable Diagram for students, pms and engineers in ~14h with 1–2 people. Stack: LLM + Excalidraw + React.

Why it wins: Instant visual output and fully editable afterwards.

Build flow

01 · Problem
Diagram tools are slow and blank canvases stop people from sketching ideas.
02 · Solution
An LLM turns a description into nodes and edges, which are laid out and drawn on an Excalidraw canvas that the user can then tweak.
03 · Build
  1. 1Prompt the LLM for nodes and edges JSON
  2. 2Lay out with a simple graph algorithm
  3. 3Convert to Excalidraw elements
  4. 4Add export buttons
04 · Demo
Type 'user signs up, gets email, verifies, lands on dashboard' and get the flow.

MVP checklist

  • Description to diagram
  • Auto layout
  • Editable canvas
  • PNG and SVG export

Tech stack

TechRole
LLMLanguage model
ExcalidrawSketch-style diagrams
ReactFrontend UI

Reference repos

Open-source projects you can build on. Links checked 2026-10-31.

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