PgDesigner

Visual PostgreSQL Schema Designer

Visual ERD diagrams, DDL generation, schema diff & safe ALTER migrations for PostgreSQL.

Visual ERD editor with production-ready DDL generation, schema diff, safe ALTER migrations, and 75 lint rules.

630+ tables tested
99.7% fidelity
75 lint rules
$19 one-time
PgDesigner — ERD diagram of chinook database

Visual ERD, DDL Generator, Schema Diff & Lint

PG-specialized. Git-friendly format. Diff/ALTER engine. Modern visual UI. No other tool has all four.

Visual ERD Canvas

See your entire schema at a glance. Drag, zoom, auto-layout. Tested on 120+ tables with smooth performance.

Generate SQL

Production-ready DDL from your model. 15-phase dependency sort. 99.7% round-trip fidelity on 630+ tables.

Diff & ALTER Engine

Two schemas in, safe migration out. Hazard warnings: DELETES_DATA, TABLE_REWRITE, TABLE_RECREATE, BACKFILL_REQUIRED.

75 Lint Rules

Catch FK mismatches, missing indexes, naming issues, antipatterns. 15 rules with autofix.

Sample Data Generator

Populate your database in one command. FK-aware, 40+ name heuristics, reproducible with seed.

Import Anything

PDD, DBS, DM2, SQL, live PostgreSQL. Migrate from any tool in minutes.

Git-Friendly Format

.pgd XML optimized for clean single-line diffs. Split-model for large schemas. Near-zero merge conflicts.

PG18 Full Spec

Partitions, temporal constraints, virtual generated columns, IDENTITY. 70+ data types.

CLI for CI/CD

pgdesigner lint, diff, generate, testdata in your pipeline. Zero dependencies, single binary.

How PgDesigner Compares

The only tool that combines PG specialization, git-friendly format, diff engine, and modern visual UI.

Feature comparison: PgDesigner vs pgModeler, DrawDB, and Atlas CE
Feature PgDesigner pgModeler DrawDB Atlas CE
PG-specialized Yes
Git-friendly format Yes
Diff/ALTER engine Yes Partial
Hazard detection Partial
75 lint rules Basic 3 rules
Sample data generator
Visual ERD Partial Yes
Price (individual) $19 $49.90 Free $9/dev/mo

Free for non-commercial use.

$19 for individuals — less than a lunch with your team.

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