What Is DrawDecisionTree?

DrawDecisionTree is the internet's indexed directory of actionable decision trees — and the fastest way to build, publish, and embed interactive decision tree wizards online.

Write your decision logic in plain text and instantly see a fully animated, interactive wizard. Publish it to the directory and make it discoverable by teams worldwide — and consumable by AI agents. Embed it in any website with a single iframe snippet.

→ Try it for free — build your first decision tree · → Browse the directory


The Problem It Solves

Most flowchart and diagramming tools are built for visual documentation — not for running a decision. You can draw a tree, but you can't turn it into an interactive wizard your users can actually click through. And you certainly can't publish it to a place where others can find and use it.

DrawDecisionTree is different. It treats the decision tree as a live, interactive experience and a publishable, reusable artefact from the very first keystroke:


What Makes It Unique

Built for Decision Trees, Not Generic Diagrams

Unlike general-purpose tools like Miro, Lucidchart, or Draw.io, DrawDecisionTree is purpose-built for decision logic. Every feature — the editor, the views, the embed, the directory, the API — is designed around the specific needs of decision trees.

Text-First, No Drag-and-Drop Required

Define your decision logic in a human-readable text format. The structure is clear, version-controllable, and can be written by anyone — not just designers.

Multiple Animated Views

Every decision tree you build is instantly available in three animated views:

One-Click Embed

Once your tree is built, a single click generates an iframe snippet you can paste into any website, help centre, wiki, or documentation portal.

Public Directory — Discover and Publish

DrawDecisionTree is not just a builder. It is the internet's indexed directory of actionable decision trees. Browse hundreds of trees published by practitioners across engineering, HR, finance, legal, and data — or publish your own decision logic and make it discoverable worldwide.

Published trees are available interactively, as embeddable widgets, and as machine-readable JSON via the Decision Tree API — making them consumable by both human users and AI agents.

→ Browse the directory · → Publish your tree

Machine-Readable and AI-Consumable

The DrawDecisionTree DAG format is designed for machine consumption. Every published tree is accessible via the Decision Tree API as structured JSON conforming to a published JSON Schema. AI agents, LLM-based tools, and automated systems can fetch, parse, and execute your published trees as deterministic, auditable decision logic.

→ Learn how AI agents use decision trees


Who Uses DrawDecisionTree?


How It Works

  1. Write your decision tree using the plain-text DSL in the editor
  2. Preview the animated wizard, path view, and tree view as you type
  3. Test every path using the Run Wizard or Path View
  4. Embed the finished tree into your site with a single iframe snippet
  5. Publish to the directory to make your tree discoverable and API-accessible

How to Make a Decision Tree Diagram

Making a decision tree diagram with DrawDecisionTree requires no design software and no drawing. Instead, you write your decision logic as structured plain text and the tool generates the interactive diagram automatically.

Step 1 — Open the editor: Navigate to the Build / Edit page. No account or login is required.

Step 2 — Write your questions and answers: Use the simple DSL format to describe each question, the possible answers, and where each answer leads. For example:

name: My Guide
version: 1

Q1: What type of issue are you experiencing?
  A: Hardware problem [Q2]
  B: Software problem [Q3]
  C: Account issue [ACCOUNT-SUPPORT]

Step 3 — See the diagram instantly: As you type, the tree diagram and interactive wizard update in real time. Switch between the wizard view, path view, and tree diagram view using the tabs above the editor.

Step 4 — Share, embed, or publish: Click the Embed button to generate an iframe snippet, copy the URL to share the tree directly, or publish to the public directory to make it discoverable. No account is needed to share; an account is required to publish.

This is how to make a decision tree diagram in minutes — without touching a single drawing tool.


DrawDecisionTree vs Competitors

DrawDecisionTree vs Lucidchart

Decision tree generator vs Lucidchart: Lucidchart produces static decision tree diagrams — visually polished, but not interactive. DrawDecisionTree produces interactive decision tree wizards that users can click through to reach an outcome. For teams building tools that users actually run — not just view — DrawDecisionTree is the purpose-built choice.

Lucidchart requires an account to get started. DrawDecisionTree does not. Lucidchart stores diagrams in a proprietary format. DrawDecisionTree uses plain text that you can keep in any file system or version control repository. And only DrawDecisionTree offers a public directory and API for discoverability and programmatic consumption.

DrawDecisionTree vs Draw.io

Decision tree maker vs Draw.io: Draw.io is an excellent free diagramming tool for many diagram types, but like Lucidchart, its decision tree output is a static image. DrawDecisionTree adds interactive wizard navigation, real-time path elimination, a one-click embed system, and a public directory with an API — none of which Draw.io offers for decision tree use cases.


No Login Required

One of DrawDecisionTree's most practical advantages is that no login is required to build and share a decision tree. Open the editor, write your logic, and your interactive wizard is ready — no account, no email address, no credit card.

This makes DrawDecisionTree the fastest no-login decision tree generator online for teams who need to prototype quickly, share trees with external stakeholders, or build tools without managing user accounts for every contributor.

Sign in to save trees to the cloud, publish to the directory, and access them across devices. Core building, testing, and sharing is fully available without an account.


Get Started

You don't need an account to build and share a decision tree. Open the editor, start typing, and your decision tree comes to life instantly.

→ Start building your first decision tree

→ Browse the public decision tree directory

→ Publish your decision tree to the directory

→ See decision tree examples and templates

→ Learn how AI agents consume decision trees

→ Learn what a decision tree is