Bowtie Diagram Maker
by CrowgridSee the full picture of any risk with Bowtie method
Map threats on the left, consequences on the right, and barriers in between. Enter your data and your bowtie diagram generates automatically - clear and visual.
Core Features
Everything you need to build professional bowtie risk diagrams.
Structured Risk Mapping
Organize hazards, threats, causes, preventive controls, consequences, and mitigating controls in the classic bowtie layout.
Visual Diagram Builder
Build diagrams interactively with customizable shapes, colors, and connectors. Export-ready visuals.
Multiple Diagrams
Create separate bowtie diagrams for different risks, projects, or departments.
How It Works
Build a complete risk picture in three steps.
Define the Hazard
Start with the central hazard event — the risk you want to analyze. This becomes the center of your bowtie.
Map Causes & Consequences
Add threats and causes on the left, consequences on the right. Build the full picture of what could go wrong and what the impact would be.
Add Barriers & Controls
Place preventive barriers between causes and the hazard, and mitigating controls between the hazard and consequences.
Full Capabilities
Professional risk analysis without the complexity.
Custom Categories
Label each section of the bowtie with custom category names for your industry or framework.
Color-Coded Elements
Assign colors to different categories for instant visual distinction between causes, barriers, and consequences.
Notes & Context
Add detailed notes to any element to capture rationale, evidence, or action items.
Customizable Appearance
Adjust box sizes, colors, fonts, and connector styles to match your organization's standards.
Related Items
Link items across categories to show relationships between causes, barriers, and consequences.
Multiple Diagrams
Manage several bowtie diagrams — one per risk scenario, project, or assessment.
What Users Say
Risk professionals trust bowtie diagrams for clarity.
"This tool made our risk workshops much more productive. We can build bowties collaboratively and everyone understands the structure."
Henrik S.
Risk Manager
"Clean, professional diagrams that I can present to leadership without additional formatting."
Priya M.
HSE Specialist
"The color coding and notes make it easy to review and update our risk assessments quarterly."
David K.
Quality Manager
CrowgridBowtie Diagram Maker is part of Crowgrid—a collection of focused tools designed to bring clarity and structure to everyday work.
Simple Pricing
Start free, upgrade when you need more.
Learn & Resources
Master the bowtie method.
Introduction to Bowtie Analysis
Learn the fundamentals of the bowtie method and how it structures risk thinking.
Building Effective Barriers
Understand what makes a good preventive or mitigating control in a bowtie diagram.
Bowtie in Different Industries
See how oil & gas, healthcare, aviation, and manufacturing use bowtie diagrams.
Frequently Asked Questions
Common questions about Bowtie Diagram Maker.