Data & Visualization Tools
Mermaid Flowchart Generator
Create Mermaid.js flowcharts and process diagrams with visual node connectors, direction controls, and live syntax generation.
Data & Visualization Tools
Mermaid Sequence Diagram Builder
Design actor-to-actor message flows, API interactions, and asynchronous sequence diagrams in Mermaid.js syntax.
Data & Visualization Tools
Mermaid ER Diagram Builder
Create Entity Relationship (ER) database diagrams in Mermaid syntax with cardinalities and entity attributes.
Data & Visualization Tools
Mermaid Gantt Chart Generator
Build project roadmaps, sprint schedules, and milestone Gantt charts using Mermaid.js syntax.
Data & Visualization Tools
GeoJSON Feature & Geometry Builder
Build valid GeoJSON FeatureCollection, Point, LineString, and Polygon objects with custom properties.
Data & Visualization Tools
Geographic Bounding Box Calculator
Calculate minimum/maximum bounding box (BBOX) coordinates [minLon, minLat, maxLon, maxLat] from coordinate lists.