Decrypt signal android backup on linux mint

# Install Nix package manager for single user
sh <(curl -L https://nixos.org/nix/install) --no-daemon

# Source the Nix profile script to set up the Nix environment
. ~/.nix-profile/etc/profile.d/nix.sh

# Start a Nix shell with the signalbackup-tools package
nix-shell -p signalbackup-tools

# Create dir for html export
mkdir html-export

# Run signalbackup-tools to export Signal backup as HTML
signalbackup-tools signal.backup <passphrase> --exporthtml html-export/

Sources

• Create Signal Backup ~ support.signal.org
• Install Nix package manager ~ nix.dev
• Export to HTML with Nix package signalbackup-tools ~ github.com