Database diagram / Reverse Engineering tools

List of database ER diagram (ERD) / schema visualization / reverse engineering tools for popular databases.

SchemaCrawler

SchemaCrawler is a free database schema discovery and comprehension tool. It has grep functionality that allows you to search for table and column names using regular expressions.

Commercial: Free
Free edition: Yes
Export: CSV,HTML,JSON,Plain text

Toad Data Modeler

Toad Data Modeler enables developers, DBAs, and designers to create, maintain, and document quality database designs and structures across various database platforms.

Commercial: Commercial
Free edition: No
Export: HTML,PDF,RTF

Valentina Studio

Valentina Studio is a database management tool that helps to create, administer, query, and explore Valentina DB, MySQL, MariaDB, PostgreSQL, and SQLite databases for FREE.

Commercial: Commercial
Free edition: Yes
Export: -

SqlDBM

SQLDBM provides the reverse engineering feature to export your database schema as a SQL script, and then run these scripts in MSSQL Studio or SSDT (SQL Server Developer Tools) to generate the XML database-creation scripts. After that, simply upload the XML statements into SQLDBM, and then create your physical model or ERD.

Commercial: Commercial
Free edition: Yes
Export: SQL script

Aqua Data Studio Entity Relationship Modeler

The Aqua Data Studio Entity Relationship Modeler (ER Modeler) helps you design physical database models for all major RDBMS vendors and versions. An ER diagram can be extracted from an existing database and its schema objects displayed as a model by using Tools->ER Diagram Generator in the Server Browser.

Commercial: Commercial
Free edition: No
Export: HTML,Image,Printer

Visual Paradigm

Visual Paradigm supports reverse engineering ERD from existing database. By visualizing a database schema in ERD, you can re-edit it and patch changes back to the database, or you can produce a data specification that acts as a reference for programmers who need to access the database.

Commercial: Commercial
Free edition: No
Export: EMF,Image,SVG

Vertabelo

Vertabelo is a database modeler that provides reverse engineering feature to simply upload an existing database using a simple command-line tool. The reverse engineering tool lays out the database diagram automatically, so you'll have to manually adjust your diagram in Vertabelo.

Commercial: Commercial
Free edition: No
Export: Image,SQL script

DeZign for Databases

DeZign for Databases lets you visualize database structures or reverse-engineer existing databases to modify, document, analyze, and optimize.

Commercial: Commercial
Free edition: No
Export: EMF,Image,Printer

DbDesigner.net

DbDesigner is a fully-featured and powerful easy to use database designing platform that enables you to design a database from scratch or import an existing one.

Commercial: Commercial
Free edition: Yes
Export: Image,PDF,SQL script

dbdiagram.io

dbdiagram.io is a free, quick and simple database designer to help you draw your database diagrams using their own Domain-specific language (DSL). It allows you to save and share your diagrams online.

Commercial: Free
Free edition: Yes
Export: Image,PDF

SQLGate

SQLGate is an integrated database management and development solution that simplifies construction and operation of databases.

Commercial: Commercial
Free edition: Yes
Export: CSV,MS Excel,Plain text,SQL script

Model Xtractor

Model Xtractor is a software utility designed to inspect modeling for traditional or enhanced ER models, with support for most relational database platforms. It provides reverse engineering feature to extract information about database tables, views, columns and relationships.

Commercial: Commercial
Free edition: Yes
Export: PDF

ERBuilder Data Modeler

ERBuilder Data Modeler is extremely easy to use and provides all the features you would expect from a professional database modeling and design tool. It enables to graphically design databases by using entity relationship diagrams, reverse engineering and automatically generates the most popular SQL databases.

Commercial: Commercial
Free edition: Yes
Export: Image,Printer

ER/Studio

ER/Studio Data Architect helps to easily reverse- and forward-engineer, compare and merge, and visually document data assets across multiple platforms and data sources.

Commercial: Commercial
Free edition: No
Export: Image,MS Excel,Printer,SQL script

dbDiffo

dbDiffo is a free online database schema designer and provides unlimited tables and projects creation services along with reverse engineering of databases.

Commercial: Free
Free edition: Yes
Export: SQL script