Package your own files into a .asar container using the 7-Zip "Add to Archive" dialog.
Since it is a plugin and not a standalone app, you must manually place it in the 7-Zip directory.
Open your terminal in the folder containing the ASAR file and run: asar7z
Whether you install the plugin for seamless integration or use npx for a quick extraction, you now have the keys to unlock the inner workings of your favorite Electron apps. Happy hunting
Quickly extracting a single file from a massive archive is faster via a GUI than running CLI commands. Package your own files into a
is a command-line utility designed to extract and create ASAR archive files. While Node.js provides a native asar module, Asar7z distinguishes itself by being a standalone, dependency-free executable that requires neither Node.js nor npm to function. It leverages high-performance compression and decompression routines, making it a faster and more lightweight alternative for developers, security researchers, and power users who frequently handle Electron apps.
ASAR solves this by bundling all those thousands of files into a single archive—similar to a .tar or .zip file. However, unlike a zip, an ASAR file is (mostly). It allows the Electron runtime to read files randomly from the archive without extracting the whole thing, making it fast and efficient. Happy hunting Quickly extracting a single file from
Once installed, 7-Zip recognizes .asar as a first-class citizen. You can now drag and drop files out of the archive, extract specific folders, and modify the contents (if the archive isn't signed or protected) with the ease of a standard ZIP file.
If you have more specific questions or need detailed technical help, please provide more context or details about the "asar7z" tool and the exact nature of the "prepare feature" you're working with.
You can extract individual files or folders from an ASAR archive without unpacking the entire thing—useful for quick inspection of patched resources.