erd

Free universal database tool and SQL client

Free, simple, and intuitive online database diagram editor and SQL generator.

Database diagrams editor that allows you to visualize and design your DB with a single query.

🚀 JavaScript diagramming library that uses SVG and HTML for rendering.

Automatically generates beautiful and easy-to-read ER diagrams from your database.

Creates diagrams from textual descriptions!

Explore, document and optimize any database

Design database schemas as ERDs in your browser, VS Code, JetBrains IDEs or Obsidian. Import SQL, DBML and GraphQL, export DDL and code, and let coding agents edit live over MCP.

ER diagram generator. Paste CREATE TABLE statements and get a clean, interactive ERD — runs 100% in your browser, nothing uploaded

Create Mermaid-Js ERD diagrams from existing tables

Relational messaging database schema for one-to-one and group chat apps with attachments and MySQL Workbench model.

Entity relationship diagrams for Python data model classes like Pydantic

Architecture diagrams and checkable docs from your codebase — ERD, C4, API and lifecycle — generated from Prisma, OpenAPI or GraphQL. One HTML file, no server.

Generate the ERD as a code from dbt artifacts

A live database structure viewer for Laravel that renders your schema as a scrollable, zoomable ER diagram. Structure only, never data.

Go-ERD (Entity Relationship Diagrams) for Golang with Graphviz [WIP]

ERD Online is an online collaborative data warehouse design software. It does not need to install applications locally and operate databases online. It is an excellent alternative to desktop data modeling tools.

A mix task for generating Entity Relationship Diagram from Ecto schemas available in your project.

Generate Entity Relationship diagrams for Typeorm powered projects.

Logseq plugin that lets you create diagrams from textual representation (aka 'Diagrams as Code'). It supports a wide range of diagram types and languages, including Mermaid, Graphviz, PlantUML, and many more.