Test your decision tables
before they reach production.

A web-based simulator for Camunda DMN decision tables. Upload a DMN file, get a dynamically generated input form, submit values, and see exactly which rules matched and what outputs were produced. Supports DMN 1.3, 7.x, and 8+.

Ask about DMN

Platforms: Web
Category: Enterprise
Built for: Business analysts, QA engineers, rule developers
Status: Live

Capabilities

What it does.

DMN File Upload

Upload any DMN 1.3/7.x/8+ file. The engine parses the decision table structure automatically.

Auto-Generated Forms

Input fields are generated from the DMN column definitions — no manual configuration needed.

Real-Time Evaluation

Submit values and get immediate feedback on which rules matched and what outputs were produced.

Detailed Match Output

See the exact rule rows that fired, the input values that matched, and all output columns.

Built with

Java 21
Spring Boot 3.3
Camunda DMN 7.23
Thymeleaf
Tailwind CSS

Questions about DMN?

Ask about availability, licensing, or how it would fit what you're building.

Get in touch

Test your decision tables before they reach production.