Server Standalone Jar |best| Download: Selenium

Only download from selenium.dev or github.com/SeleniumHQ . Avoid random mirrors or outdated blog post links. Last updated: April 2026 – covers Selenium 4.x. For the latest version, always check the official downloads page.

java -jar selenium-server-4.23.1.jar hub For a Node (pointing to a Hub): selenium server standalone jar download

If you're diving into browser automation, web scraping, or setting up a Selenium Grid, you’ve likely encountered the need for the Selenium Server Standalone JAR . This single file is the heart of legacy Selenium RC (Remote Control) and the Selenium Grid hub/node architecture. Only download from selenium

curl -LO https://github.com/SeleniumHQ/selenium/releases/download/selenium-4.23.1/selenium-server-4.23.1.jar After downloading, you should verify the JAR file’s integrity using the SHA-256 checksum . 1. Find the checksum file On the same GitHub releases page, you’ll find a file like selenium-server-4.23.1.jar.sha256 . 2. Compute the checksum of your download On Linux/Mac: For the latest version, always check the official

java -jar selenium-server-4.23.1.jar node --hub http://localhost:4444 You can then access the Grid console at http://localhost:4444 . | Problem | Solution | |---------|----------| | "Unable to access jarfile" | Use full path to the JAR, or run command from the directory containing the file. | | Download is slow | Use a download manager or mirror from Maven Central instead. | | Java version error | Update to Java 11 or newer. | | File corrupted | Delete and re-download, then verify the SHA checksum. | Alternative: Get via Maven/Gradle (for developers) If you're using a build tool, you can declare the Selenium Server as a dependency:

shasum -a 256 selenium-server-4.23.1.jar