Requirements

• protobuf
• LZMA
• 7z
• lz4

Linux

apt install unace unrar zip unzip p7zip-full p7zip-rar sharutils rar uudeview mpack arj cabextract file-roller rename
apt install liblzma-dev python-pip brotli lz4
pip install backports.lzma protobuf pycrypto

Arch

pacman -S unace unrar zip unzip p7zip sharutils uudeview arj cabextract file-roller
pacman -S python python-pip brotli lz4
pip install backports.lzma protobuf pycrypto

For "rename" and "mpack" you need to manually clone and install the packages

• rename

git clone https://aur.archlinux.org/rename.git
cd rename 
makepkg -Acs
sudo pacman -U rename-1.3-7-x86_64.pkg.tar.xz

• mpack

git clone https://aur.archlinux.org/mpack.git
cd mpack
makepkg -Acs
sudo pacman -U mpack-1.6-4-x86_64.pkg.tar.xz

Mac

brew install protobuf liblzma-dev brotli lz4
pip install backports.lzma protobuf pycrypto

Also install mono

How to use

Download

git clone --recurse-submodules https://github.com/erfanoabdi/Firmware_extractor.git

Extract images from firmware URL

Example: Extracting images from pixel 2 factory image:

cd Firmware_extractor
wget https://dl.google.com/dl/android/aosp/walleye-pq3a.190705.001-factory-cc471c8c.zip -o firmware.zip
./extractor.sh firmware.zip

output will be on "Firmware_extractor/out"