--- title: HeidiSQL canonical: https://saasranked.com/software/heidisql/ category: Database Client Software points: 66 rank: 9 of 12 facts_checked: 2026-10-08 --- # HeidiSQL Free, open-source database client for MariaDB, MySQL, SQL Server, PostgreSQL and SQLite. 66 points out of 100. #9 of 12 database clients. Vendor: Ansgar Becker. Website: https://www.heidisql.com/ - HeidiSQL is free and open source, with builds for Windows, Linux and macOS [1]. - The home page names MariaDB, MySQL, MS SQL, PostgreSQL, SQLite, Interbase, Firebird, ProxySQL and Redshift [1]. - Version 12.21 was released on 3 August 2026 [2]. - Source code is public on GitHub under GPL-2.0 [3]. - Connections can go through an SSH tunnel, and table rows export to CSV, HTML, XML, SQL, JSON and more [1]. Verdict: HeidiSQL suits developers who want a no-cost client for MariaDB, MySQL, PostgreSQL, SQL Server or SQLite [1]. It is open source, runs on three systems and was updated in August 2026 [1][2][3]. The catch: it lists no Oracle, MongoDB or Redis support, and its published pages do not mention a query plan viewer, ER diagrams, schema compare or an AI assistant [1][4]. Best for: Developers who want a free desktop client for MySQL-family and a few other engines. ## Points | Criterion | Line | Value | Points | Note | |---|---|---|---|---| | Systems | Other systems | macOS, Linux | 6/6 | The download page offers a macOS arm64 app bundle and several Linux packages next to the Windows builds [2]. | | Databases | Main SQL engines | PostgreSQL, MySQL or MariaDB, SQL Server, SQLite | 12/15 | Home page lists MariaDB, MySQL, MS SQL, PostgreSQL and SQLite; Oracle is not named [1]. | | Databases | NoSQL and cloud engines | None | 0/8 | Supported-database list names none of MongoDB, Redis, BigQuery or Snowflake; Redshift does not count here [1]. | | Databases | JDBC or ODBC drivers | Not published | 0/4 | Not published on the vendor's home page or help page [1][4]. | | Connections and trust | SSH tunnel | Yes | 8/8 | Home page lists connecting via SSH tunnel; the help page has an SSH tunnel section [1][4]. | | Connections and trust | Open-source apps | Yes | 6/6 | Repository is licensed GPL-2.0 [3]. | | Connections and trust | Recent release | Yes | 3/3 | Version 12.21 is dated 3 August 2026 on the download page [2]. | | Tools | SQL code completion | Yes | 4/4 | Home page lists customizable syntax highlighting and code completion in the query editor [1]. | | Tools | Visual query builder | Not published | 0/3 | Not published on the vendor's home page, help page or screenshots page [1][4][5]. | | Tools | ER diagrams | Not published | 0/4 | Not published on the vendor's home page, help page or screenshots page [1][4][5]. | | Tools | Schema or data compare | Not published | 0/4 | Not published on the vendor's home page, help page or screenshots page [1][4][5]. | | Tools | Import from CSV or Excel | Yes | 4/4 | Home page lists importing text files; the help page covers importing CSV files into a table [1][4]. | | Tools | Export formats | CSV, JSON | 2/3 | Home page lists exporting table rows as CSV, HTML, XML, SQL, LaTeX, Textile, PHP, Markdown and JSON; Excel is not named [1]. | | Tools | Query plan viewer | Not published | 0/4 | Not published on the vendor's home page; the help page mentions only a query profile with timings [1][4]. | | Tools | AI assistant | Not published | 0/3 | Not published on the vendor's home page [1]. | | Price | Free edition | Yes | 6/6 | Described as free, open-source software; the pages state no time or use limit [1]. | | Price | Perpetual licence | Yes | 5/5 | The app is entirely free [1]. | | Price | Cheapest paid plan | $0 | 10/10 | No paid plan; the app is free [1]. | ## Plans | Plan | Price | Per month (USD) | |---|---|---| | HeidiSQL | Free [1] | $0 | ## Strengths - Free and open source under GPL-2.0; the download page only asks for optional donations [1][2][3]. - Builds for Windows, Linux and macOS are offered for download [2]. - SSH tunnel, CSV import and code completion are listed [1][4]. - Exports table rows to CSV, HTML, XML, SQL, JSON and other formats [1]. ## Limits - No Oracle, MongoDB, Redis, BigQuery or Snowflake on the supported-database list [1]. - The vendor's pages do not mention a visual query builder, ER diagrams or schema compare [1][4][5]. - The vendor's pages do not mention an AI assistant [1]. - The repository accepts pull requests only for bug fixes, not new features [3]. ## Sources 1. [HeidiSQL - MariaDB/MySQL, MSSQL, PostgreSQL, SQLite and Interbase/Firebird made easy](https://www.heidisql.com/), HeidiSQL, accessed 2026-10-08 2. [Download HeidiSQL](https://www.heidisql.com/download.php), HeidiSQL, accessed 2026-10-08 3. [HeidiSQL/HeidiSQL](https://github.com/HeidiSQL/HeidiSQL), GitHub, accessed 2026-10-08 4. [HeidiSQL help](https://www.heidisql.com/help.php), HeidiSQL, accessed 2026-10-08 5. [HeidiSQL screenshots](https://www.heidisql.com/screenshots.php), HeidiSQL, accessed 2026-10-08