dpkg-deb
Pack, unpack, and provide information about Debian archives. tldr-pages
On Linux
Linux
Display information about a package
dpkg-deb --info path/to/file.debIdentifyDisplay the package's name and version on one line
dpkg-deb --show path/to/file.debIdentifyList the package's contents
dpkg-deb --contents path/to/file.debIdentifyExtract package's contents into a directory
dpkg-deb --extract path/to/file.deb path/to/directoryIdentifyCreate a package from a specified directory
dpkg-deb --build path/to/directoryIdentify