Find the diagram workflow you need
Start from the job you are trying to finish: edit diagrams online, beautify Mermaid, improve PlantUML activity diagrams, convert draw.io files, or export a cleaner SVG or PNG.
Engineering documentation diagrams
A scenario page for engineering teams that keep diagrams close to code and need them to stay readable in docs.
Architecture review diagrams
A scenario page for teams presenting system boundaries, dependencies, and tradeoffs in architecture review meetings.
Presentation-ready diagrams
A scenario page for teams that need diagrams to look polished outside the editor, especially in slides and stakeholder docs.
Move from intent to editor
Product flow diagrams
Turn user journeys, onboarding flows, and product decisions into diagrams that PM, design, and engineering can read together.
API workflow diagrams
Document API requests, auth handshakes, webhooks, retries, and integration flows with cleaner Mermaid sequence and flow diagrams.
Online diagram editor for Mermaid, PlantUML, and draw.io
Use Beauty Diagram as a unified online diagram editor with live preview, beautification, themes, and multi-source support for Mermaid, PlantUML, and supported draw.io imports.
draw.io cleanup for teams
Clean up existing draw.io diagrams by importing supported files, converting them into a source-driven workflow, and exporting polished results.