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dbdiagram.io - Database Relationship Diagrams Design Tool Review

Worth it

Should I use dbdiagram.io - Database Relationship Diagrams Design Tool?

Quick and simple free tool to help you draw your database relationship diagrams and flow quickly using simple DSL language. - dbdiagram.io

· 1 month ago

Buy if you're a developer or small team wanting fast, free ER diagrams written as DBML text. Skip if you need drag-and-drop drawing, enterprise governance, or heavy reverse-engineering of large legacy schemas.

Confidence

Medium. Based on ~15 usable sources out of ~70 public mentions; most links are directories or spam, few carry substantive reviews or ratings.

Ratings

  • Value for money
  • Ease of use
  • Feature depth
  • Support qualityOnly community forum evidence; no SLA data
  • Security posture

Pricing

$0

Hobby (free)

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed
Free tierYes
Paid plansGuess: subscription tiers for teams/exports

Best for

  • Backend devs sketching schemas fast
  • Supabase/Postgres project documentation
  • Students learning ER modeling
  • Solo builders and small startup teams

Not for

  • Enterprises needing SSO, governance, and audit trails
  • Teams who want drag-and-drop, no-code diagramming
  • Anyone unwilling to learn DBML syntax
  • Large legacy-schema reverse-engineering projects

Gotchas - check before you buy

medium

Public diagram URLs include spam listings — the shared-gallery side of the platform is poorly moderated.

medium

Schemas are typed into a browser tool; review the vendor security page before pasting confidential database designs.

low

Paid tiers exist beyond the free plan; verify diagram limits and export gating before committing.

low

Feature requests sit in the community forum since 2019 — don't expect fast custom features.

Pros and cons

Pros

  • Free for basic ER diagramming
  • DBML text DSL makes schema diagrams easy to edit and share
  • Browser-based; nothing to install
  • Proven on large schemas, e.g., OHDSI OMOP CDM challenge
  • Widely recommended across Reddit, LinkedIn, and dev forums

Cons

  • DSL-first workflow: steeper start than drag-and-drop editors
  • Public shared diagrams include spam listings; moderation is weak
  • Community points Postgres users to deeper tools like pgModeler
  • Support runs through a community forum; no SLA evidence

Sources & method

- 11 sources - No known vulnerabilities found in the sources reviewed.

official x3review x6security x2

Key stats

  • Value for money: 5/5

    Rating

  • $0

    Starting price

  • 11

    Sources

  • Analyzed

  • Value for money: 5/5. Free core tool does the core job
  • Ease of use: 4/5. Text DSL is fast but must be learned
  • Feature depth: 3/5. Lighter than full modelers like pgModeler
  • Support quality. Only community forum evidence; no SLA data
  • Security posture: 4/5. Publishes security page; no public CVEs found
  • Yes Free tier 'Quick and simple free tool' per vendor
  • DBML Schema language Text DSL purpose-built for database diagrams
  • 2019 In the wild since Earliest community forum mentions found

Pricing

Hobby (free)

$0

  • Quick, simple ER diagrams via DBML DSL
  • Browser-based editing

Paid plans

Guess: subscription tiers for teams/exports

  • Guess: higher limits, collaboration, advanced exports

Security

No known vulnerabilities found in the sources reviewed.

What users say

Developers on Reddit, LinkedIn, and niche forums repeatedly recommend dbdiagram.io as a quick, free ER diagram tool, but formal ratings are absent.

“Great tool for making ORM Diagram #dbdiagram”
Facebook post

Alternatives

Compare dbdiagram.io - Database Relationship Diagrams Design Tool with each alternative.

Full analysis

Based on ~15 usable sources out of ~70 public mentions; most links are directories or spam, few carry substantive reviews or ratings.

Free, fast ER diagrams from DBML text. Great for devs; wrong for drag-and-drop fans and enterprise modeling needs.

Methodology

Based on ~15 usable sources out of ~70 public mentions; most links are directories or spam, few carry substantive reviews or ratings.

Read how a report is made.

Sources

  1. dbdiagram.io homepagedbdiagram.io
    official
  2. dbdiagram.io pricing pagedbdiagram.io
    official
  3. dbdiagram.io product security pagedbdiagram.io
    security
  4. Reddit r/SQLServer thread on dbdiagram.ioreddit.com
    review
  5. OHDSI forum: OMOP CDM ER diagram challengeforums.ohdsi.org
    review
  6. Facebook CFprogrammers group: dbdiagram uses DBMLfacebook.com
    review
  7. ssp.sh brain notes on DBDiagramssp.sh
    review
  8. Reddit r/SQL: Postgres learning material (mentions pgModeler)reddit.com
    review
  9. Reddit r/SQL: Cursor x Dbdiagram for Supabase deploymentreddit.com
    review
  10. dbdiagram community forumcommunity.dbdiagram.io
    official
  11. Spam diagram publicly hosted on dbdiagram.iodbdiagram.io
    security

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