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Developer tools / dbdiagram.io

dbdiagram.io

Draw database relationship diagrams in seconds by writing simple DBML code. Free, fast, and built for developers and data analysts.

Free optionSignup unclearFile handling unclearWebsite health 4.8 / 5

Where it stands

3.7 / 5

Signals score

Not a hands-on test

Based on 2 of 3 signals

  • Website health4.8 / 5 · weight 50%

    Measured from the tool's public website

  • Facts stated2.6 / 5 · weight 30%

    How many of the five facts the tool's own pages state

Built only from what we can measure or quote without using the tool. How ranking works

Rank by signals

We have not run our own hands-on test on dbdiagram.io yet. Facts checked 2026-11-01. How tests work

Disclosure: agathox makes some of the tools listed here. They are labelled and scored by the same method as every other tool.

Should you use dbdiagram.io?

A quick read built only from what the tool's own pages state and from our tests, not from opinion. Facts checked 2026-11-01.

A good fit if…

  • You want a free option. It states: “Free plan: up to 10 diagram and doc projects, 10 ER diagrams, 1 diagram view, 14-day schema changelog history, single editor,…”

Check first

  • Its pages do not state: signup, watermark, where your files go. Check on the tool's site before you rely on it.

Does: Diagram maker

Measured signals

4.8 / 5 · measured 2026-11-08

Read automatically from dbdiagram.io's public website: how reliable, secure, private and open the site is. This is not a test of how well the tool does its job. How this is measured

  • Reliability5 / 5The page answered and finished downloading in 790 ms.
  • Security5 / 55 of 5 protective headers set (strict-transport-security, content-security-policy, x-content-type-options, referrer-policy, x-frame-options).
  • Privacy4 / 51 third-party tracking service found: Google Tag Manager.
  • Transparency5 / 5Links a privacy policy; links a pricing page.

Community feedback

Not enough discussion yet: 2 classified comments from 3 threads. We need at least 12 from 2 threads.

  • Positive

    “I've tried doing the SQL dump on dbdiagram a few months ago and ran into some issues. Unfortunately I don't remember specifically what, but after testing out a few other programs I ended up using the free version of and…”

    Read in the thread
  • Critical

    “The DOT format is not as simple as dbdiagram though. But it's also not limited to database diagrams: In case someone wished this exists but for something other, or more versatile, than database diagrams, although…”

    Read in the thread

Threads: Found a simple tool for database modeling: dbdiagram.io (2025, 71 comments) · DbDiagram – Draw Entity-Relationship Diagrams, Painlessly (2022, 28 comments) · Show HN: Draw Database Diagrams Using Code (DSL) – Dbdiagram.io (2018, 5 comments)

Free tier
Free plan: up to 10 diagram and doc projects, 10 ER diagrams, 1 diagram view, 14-day schema changelog history, single editor, unlimited viewers. Includes SQL import/export, PDF/PNG/SVG export and public view-only sharing.
Paid plan
Personal Pro $8/mo (unclear if annual or monthly billing). Team $75/mo with 3 editors, extra editors $5/mo. Custom plan by contact. A monthly/annual toggle says annual saves up to 42%.
Signup
Not stated.
Watermark
Not stated.
Where files go
Not stated.

From the tool's own pages, checked 2026-11-01. Sources: Pricing. Prices and limits change; check the tool before you rely on them.

Get an email if dbdiagram.io changes

We check its official pages every week. If they change, we tell you, so you can see if the price or limits moved. No other email, and one click stops it.

Are you the maker of dbdiagram.io? Link to this page

Copy this into your site. The link goes to this page, and it does not change any score.

<a href="https://agathox.com/tools/dbdiagram-io">dbdiagram.io on agathox: compared and tested</a>

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