Open your web browser and go to the official . Navigate to the SQL Developer Downloads section.
It offers robust support for Oracle Database 19c and 21c, while maintaining backward compatibility with older versions like 12c.
, primarily addresses critical bug fixes, including performance issues on Windows related to ORACLE_HOME oracle sql developer download 2143 download verified
A significant security threat was recently uncovered regarding fake Oracle SQL Developer downloads. In April 2026, Iranian threat actors (Nimbus Manticore, also tracked as UNC1549) registered a fake domain called that mimicked Oracle's legitimate download page. This malicious campaign used SEO poisoning to rank the fake page near the top of search results for "sql developer".
Double-click sqldeveloper.exe within the extracted folder. macOS: Launch SQLDeveloper from your Applications folder. Linux: Run the ./sqldeveloper.sh script from your terminal. Troubleshooting Common Errors "Java Home Not Found" Cause: The software cannot locate a valid JDK. Open your web browser and go to the official
If version 21.4.3 experiences sluggishness, open your sqldeveloper.conf file (located within the sqldeveloper\bin directory) and increase the maximum memory allocation by modifying or adding the following lines: AddVMOption -Xms256m AddVMOption -Xmx1024m Use code with caution. Missing TNS Connections
: Recommended for most Windows users.
As a mature release in the 21.x lifecycle, 21.4.3 has fewer unresolved bugs compared to cutting-edge builds.
: Supported on Windows 7, 8, 10, Windows Server 2008/2012, Linux, and Mac OS X. Double-click sqldeveloper
If you already have a download labeled "2143"