SchemaCrawler

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

SchemaCrawler is ranked #5 of 26 in database documentation tools on Inferse. It runs on API, Linux, macOS, Self-hosted, Windows. There is a free plan.

Compared on database documentation tools

Free plan: Yesschemacrawler.com
Database coverage: relationalschemacrawler.com
Data lineage: Yesschemacrawler.com
Data dictionary: Yesschemacrawler.com
Schema history: Yesschemacrawler.com
Deployment: self_hostedschemacrawler.com

Facts

Purpose: SchemaCrawler is a free database schema discovery and comprehension tool for database documentation and data governance.schemacrawler.com · 30 Sept 2026
Schema comparison: Its schema output formats are designed to make it easy to find differences between database schemas.schemacrawler.com · 30 Sept 2026
Output formats: The command-line tools can output database metadata as plain text, HTML5, HTML5 with embedded diagrams, JSON, or YAML.schemacrawler.com · 30 Sept 2026
Diagrams and scripts: SchemaCrawler can generate entity-relationship diagrams and execute scripts in JavaScript or Python against a live database connection.schemacrawler.com · 30 Sept 2026
Database support: It supports almost any database with a JDBC driver, though some proprietary drivers must be downloaded separately.schemacrawler.com · 30 Sept 2026
Integrations: The site documents integrations with Apache Maven, GitHub Actions, GitLab pipelines, Docker, Graphviz, and templating engines including Velocity, Thymeleaf, FreeMarker, and Mustache.schemacrawler.com · 30 Sept 2026
Templating limit: Templating engines are not included in the SchemaCrawler download and must be downloaded separately.schemacrawler.com · 30 Sept 2026
AI interface: The SchemaCrawler AI MCP Server supports natural-language interaction for exploring database structure, understanding table relationships, and generating SQL queries.schemacrawler.com · 30 Sept 2026
Security: The security guidance says SchemaCrawler cannot vouch for the security of scripts it executes and recommends removing the scripting JAR if scripting is not needed.schemacrawler.com · 30 Sept 2026
SQL Server encryption: The security guidance says the server, host, and port connection method turns off encrypted connections and recommends a trusted certificate and a URL containing encrypt=true.schemacrawler.com · 30 Sept 2026
Support: Community support is available on Stack Overflow, while professional support packages provide direct access to the author and can cover project advice or consulting.schemacrawler.com · 30 Sept 2026
Support scope: The support page says only the latest SchemaCrawler version receives new feature development and security updates, and older-version support requires a Professional Support Package.schemacrawler.com · 30 Sept 2026
Platform requirement: SchemaCrawler works on operating systems that support Java SE 17 or better.schemacrawler.com · 30 Sept 2026
Online tutorial: A live online command-line tutorial works in a browser without additional software or plugins.schemacrawler.com · 30 Sept 2026