Document to Database ERD
The Document to Database ERD utility extracts database tables, entity attributes, primary/foreign keys, and relational cardinalities from raw SQL schemas or Markdown tables into visual Entity-Relationship Diagrams (ERDs).
By executing schema parsing and Mermaid entity rendering locally in your browser, your proprietary database architectures, table names, and schema relationships remain strictly confidential with zero cloud exposure.
AI Document-to-Diagram StudioMermaid.js Vector
Flowcharts•ER Diagrams•Architecture•Sequence•100% Client-Side Private
Input Schema/Docs
Paste database tables, SQL, or specification text.
Generate ERD
Review entity relationships and tables.
Export
Download as SVG or copy Mermaid code.
- 100% In-Memory Sandbox Files are decoded and manipulated inside local RAM. Memory is wiped immediately when closed.
- Extracts tables, columns, and data types
- Automatic primary and foreign key mapping
- Relationship cardinality modeling (1:N, M:N)
Database Architecture Design
Visualizing relational schemas and foreign key dependencies for new application backends.
Legacy Schema Documentation
Reverse-engineering legacy SQL database dumps into clear architectural diagrams for new team members.
API & Data Model Reviews
Presenting entity relationships to product managers and stakeholders during data modeling sprints.
Does it support SQL schemas?
Yes! Paste CREATE TABLE statements or Markdown tables to instantly extract ER diagrams.
AI Document-to-Diagram Studio
Transform documents, architecture notes, and schemas into interactive Mermaid.js Flowcharts, ERDs, and Architecture maps.
Document to Flowchart
Decompose business processes and algorithmic steps from text into clean visual flowcharts.
Document to Architecture Map
Visualize system tiers, microservices, cloud infrastructure, and component relationships.