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Head-to-head · Database Client Software

HeidiSQL vs Adminer

  • Updated Sep 2026
  • Both researched from official sources
  • 4 checks side by side
HeidiSQL #7 in Database Client Software —/10 Free plan Free plan✓ 3 of 4 features Visit HeidiSQL
Adminer #8 in Database Client Software —/10 Free plan Free plan✓ 2 of 4 features Visit Adminer

HeidiSQL leads on 1 check, Adminer on 0, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Free planboth
  • Most featuresHeidiSQL · 3 of 4

Our editors rank HeidiSQL at #7 and Adminer at #8 for database client software; HeidiSQL and Adminer have no rubric score yet (facts researched, not yet scored), so the checks below decide.

On deployment, Adminer gives you Web where HeidiSQL offers Desktop. HeidiSQL offers ssh tunneling; Adminer doesn't publish it.

HeidiSQL is the better fit for free users of common SQL databases. Adminer is the better fit for simple free browser-based administration.

  • HeidiSQL fits best

    Free users of common SQL databases

  • Adminer fits best

    Simple free browser-based administration

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature HeidiSQL —/10 Visit ↗ Adminer —/10 Visit ↗
At a glance
Editor score — —
Ranking #7 in Database Client Software #8 in Database Client Software
Best for Free users of common SQL databases Simple free browser-based administration
Pricing model Free Free
Starting price Not published Not published
Free plan ✓ ✓
Free trial — —
Deployment Desktop Cloud, Self-hosted
Platforms Windows, macOS, Linux Web
Support Community, Docs Docs
Built for Solo, Small business Solo, Small business, Mid-market
Features HeidiSQL 3/4 · Adminer 2/4
SSH tunneling ✓ (best) Not published
Data editing ✓ ✓
Visual query builder Not published Not published
Query history ✓ ✓
Specs
Deployment Desktop Web
Database support MariaDB, MySQL, Microsoft SQL Server, PostgreSQL, SQLite, Interbase, Firebird, ProxySQL, Redshift MySQL, MariaDB, PostgreSQL, CockroachDB, SQLite, Microsoft SQL Server, Oracle; additional plugin drivers include Elasticsearch, SimpleDB, MongoDB, Redis, Firebird, ClickHouse, IGDB and IMAP
Result export formats CSV, HTML, XML, SQL, LaTeX, Textile, PHP, Markdown, JSON SQL, CSV
Our review
Pros
  • Supports MariaDB, MySQL, MS SQL, PostgreSQL, SQLite, and more
  • Combines data editing, administration, imports, and broad exports
  • Includes SSH tunneling, SSL settings, and query history
  • Free, open-source distribution under the Apache License or GPL
  • Edits data, schemas, permissions, routines and database objects
  • Supports multiple databases with SQL and CSV export
Cons
  • Desktop deployment may not suit browser-based database workflows
  • Its workflow centers on SQL rather than visual query building
  • Database support is limited to the listed engines
  • Runs as a web-based PHP application rather than a native desktop client
  • SSH tunneling is outside its stated feature set
  • No visual query builder is included in its stated feature set
Our verdict

HeidiSQL is a free, open-source desktop database client for Windows, Linux, and macOS. It is designed for people who work with MariaDB, MySQL, Microsoft SQL Server, PostgreSQL, SQLite, Interbase, Firebird, ProxySQL, or Redshift and want…

Read the review →

Adminer is a web-based database administration interface distributed as a single PHP file. It is designed for developers and database administrators who need a compact browser-based way to connect to database servers, create or select…

Read the review →
  1. HeidiSQLDatabase Client Software —Free plan
  2. AdminerDatabase Client Software —Free plan

Strengths and trade-offs

  • HeidiSQL — where it wins

    • Supports MariaDB, MySQL, MS SQL, PostgreSQL, SQLite, and more
    • Combines data editing, administration, imports, and broad exports
    • Includes SSH tunneling, SSL settings, and query history

    Where it doesn't

    • Desktop deployment may not suit browser-based database workflows
    • Its workflow centers on SQL rather than visual query building
    • Database support is limited to the listed engines
  • Adminer — where it wins

    • Free, open-source distribution under the Apache License or GPL
    • Edits data, schemas, permissions, routines and database objects
    • Supports multiple databases with SQL and CSV export

    Where it doesn't

    • Runs as a web-based PHP application rather than a native desktop client
    • SSH tunneling is outside its stated feature set
    • No visual query builder is included in its stated feature set

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026