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Why is the Burp Suite JAR file so big?

Rennie | Last updated: Jun 25, 2020 08:53PM UTC

When Burp prompts me to install an update, it gives me the option of a Windows installer, a MacOS installer, a Linux installer, or a JAR file. The installers are all around 160-180 MB in size: this seems reasonable, since the installer needs to contain a Java run-time environment. The JAR is roughly twice the size of the installers; I was just offered a 347-MB JAR. This doesn't make sense to me; the JAR should not need to contain a JRE, so it should be *smaller* than the installer. What is PortSwigger putting in there that makes it so big?

Michelle, PortSwigger Agent | Last updated: Jun 26, 2020 08:51AM UTC

The JAR file includes versions of Chromium for Windows, Linux and Mac as it has to work on all platforms whereas the installer versions only need to include the specific version.

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