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Tree Diagram Maker
Open app

Free online tool

Decision Tree Maker

Create a decision tree with labeled choices and outcomes. Edit its branches and download a clear diagram for your notes or presentation.

Outline, CSV table, bracket notation, Newick or editable tree file. Up to 1 MiB source and 1,000 nodes.

  1. Write your question and possible choices
  2. Review choices and label the branches
  3. Download the decision diagram

How it works

Create a decision tree with labeled choices and outcomes. Edit its branches and download a clear diagram for your notes or presentation.

Enter data, review the result, and download it when you are ready. No account is required. Check the input and the output before using them for consequential decisions.

Questions

What input does this tool accept?

Start with a question and indent each possible choice beneath it.

What should I check?

Use [kind=decision], [kind=chance] or [kind=outcome] to type a node and [branch=yes] to label its incoming choice; separate editor fields are also available.

What are its limits?

This tool draws the structure you provide; it does not train a classifier or recommend a decision.

Choose a tool

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