diff --git a/README.md b/README.md
index bdc8013..b96d214 100644
--- a/README.md
+++ b/README.md
@@ -16,14 +16,19 @@ appz [mngr] [i|r|l|C|u|U|s|S|I|c|h] [pkg]...
 -> h | help    show this message
 ```
 
-#### Supported managers : 
+## Supported managers : 
 - pacman
 - yay
 - pipx
 
-#### Installation
+## Installation
 ```bash
 git clone https://github.com/MyOS-ArchLinux/appz
 cd appz
 ...
 ```
+
+## License
+[GPLv3](https://github.com/MyOS-ArchLinux/appz/blob/main/LICENSE)
+
+inspired by [cpm](https://github.com/willeccles/cpm) - MIT License
diff --git a/appz b/appz
index 8919387..74ec8a2 100644
--- a/appz
+++ b/appz
@@ -11,10 +11,26 @@ APPZ_FORCE_ACT=false
 APPZ_LOG=false
 APPZ_VERBOSE=false
 APPZ_MNGR=pacman
-APPZ_ACTN=help
 
 # functions
 ## tools
+### prnt options
+prnt_opt() {
+	>&2 printf "\033[33;1m-> \033[35;1m%s | %s\033[m %s\n" "$1" "$2" "$3"
+}
+
+prnt_log() {
+	[[ "${APPZ_LOG:-false}" == false ]] && return
+	echo "$@"
+}
+
+prnt_err() {
+	printf "\033[38;5;1merr:\033[m %s\n" "$@"
+}
+
+prnt(){
+	echo ":: $@"
+}
 ### check for deps and functions
 has(){
 	case "$(command -v "$1" 2>/dev/null)" in
@@ -27,7 +43,7 @@ tot(){
 	while read -r ; do
 		i=$((i + 1))
 	done
-	echo "${APPZ_MNGR:?} : $i packages"
+	echo "${APPZ_MNGR:?} : $i ${1:-packages}"
 }
 
 ### check for multiple deps
@@ -39,18 +55,10 @@ need(){
 	done
 	[ -n "${dependencies_not_installed}" ] && \
 		{
-			echo "err : missing dependencies, please install: ${dependencies_not_installed%??}."
+			prnt_err "missing dependencies, please install: ${dependencies_not_installed%??}."
 			return 1 ;
 		}
-}
-### prnt options
-prnt_opt() {
-	>&2 printf "\033[33;1m-> \033[35;1m%s | %s\033[m %s\n" "$1" "$2" "$3"
-}
-
-prnt_log() {
-	[[ "${APPZ_LOG:-false}" == false ]] && return
-	echo "$@"
+	return 0
 }
 
 ### _prompt
@@ -67,9 +75,13 @@ is_file_uptodate(){
 }
 
 ## internal
+prnt_mngr_version(){
+	echo "mngr : \`${APPZ_MNGR_NAME:-$APPZ_MNGR}\` v${APPZ_MNGR_VERSION:-??}"
+}
+
 appz_help(){
 	>&2 echo "${APPZ_SCRIPT_NAME} [mngr] [i|r|l|C|u|U|s|S|I|c|h] [pkg]..."
-	echo "mngr : \`${APPZ_MNGR_NAME:-$APPZ_MNGR}\` v${APPZ_MNGR_VERSION}"
+	prnt_mngr_version
 	if has appz_usage ;then
 		appz_usage
 	else
@@ -120,7 +132,7 @@ else
 fi
 
 case "$1" in
-	--version)
+	-V|--version)
 		echo "${APPZ_SCRIPT_NAME} ${APPZ_VERSION} Copyright © 2023-2024 MyOS Project "
 		exit
 		;;
@@ -137,67 +149,71 @@ if [ -f "${APPZ_CONFIG_DIR}/addons/${APPZ_MNGR}" ] ; then
 	. "${APPZ_CONFIG_DIR}/addons/${APPZ_MNGR}"
 	has appz_usage || prnt_log "log : appz_usage() is not implemented in \`${APPZ_MNGR}\` menu, fallback to to local"
 else
-	echo "err : mngr \`${APPZ_MNGR}\` not found"
+	prnt_err "mngr \`${APPZ_MNGR}\` not found"
 	exit 1
 fi
 
 while [ "$1" ]; do
+	if [ -z ${APPZ_ACTN} ] ; then
+		case "$1" in
+			i|install)
+				APPZ_ACTN='install'
+				shift
+				;;
+			r|remove)
+				APPZ_ACTN='remove'
+				shift
+				;;
+			l|list)
+				APPZ_ACTN='list'
+				shift
+				;;
+			u|update)
+				APPZ_ACTN='update'
+				shift
+				;;
+			U|upgrade)
+				APPZ_ACTN='upgrade'
+				shift
+				;;
+			s|search)
+				APPZ_ACTN='search'
+				shift
+				;;
+			S|show|I|info)
+				APPZ_ACTN='show'
+				shift
+				;;
+			c|clean)
+				APPZ_ACTN='clean'
+				shift
+				;;
+			h|help|"")
+				APPZ_ACTN='help'
+				shift
+				;;
+			has)
+				APPZ_ACTN='has'
+				shift
+				;;
+			C|count)
+				APPZ_ACTN='count'
+				shift
+				;;
+		esac
+	fi
 	case "$1" in
-		i|install)
-			APPZ_ACTN='install'
-			shift
-			;;
-		r|remove)
-			APPZ_ACTN='remove'
-			shift
-			;;
-		l|list)
-			APPZ_ACTN='list'
-			shift
-			;;
-		u|update)
-			APPZ_ACTN='update'
-			shift
-			;;
-		U|upgrade)
-			APPZ_ACTN='upgrade'
-			shift
-			;;
-		s|search)
-			APPZ_ACTN='search'
-			shift
-			;;
-		S|show|I|info)
-			APPZ_ACTN='show'
-			shift
-			;;
-		c|clean)
-			APPZ_ACTN='clean'
-			shift
-			;;
-		h|help|"")
-			APPZ_ACTN='help'
-			shift
-			;;
-		has)
-			APPZ_ACTN='has'
-			shift
-			;;
-		C|count)
-			APPZ_ACTN='count'
-			shift
+		-v)
+			prnt_mngr_version
+			exit 0
 			;;
 		-f|--force) 
 			APPZ_FORCE_ACT=true
 			prnt_log "log : APPZ_FORCE_ACT is set to true"
 			shift
 			;;
-		"-v")
-			echo "mngr : \`${APPZ_MNGR_NAME:-$APPZ_MNGR}\` v${APPZ_MNGR_VERSION:-??}"
-			exit 0
-			;;
 		-*)
-			echo "err : option $1 is not supported"
+			prnt_err "option $1 is not supported"
 			exit 1
 			;;
 		*)
@@ -207,16 +223,16 @@ while [ "$1" ]; do
 done
 
 # check if action is aviable
-case "${APPZ_ACTN:?}" in
+case "${APPZ_ACTN:-help}" in
 	"clean"|"has"|"help"|"install"|"list"|"remove"|"search"|"show"|"update"|"upgrade"|"count")
-		has "appz_${APPZ_ACTN}" || { echo "err : appz_${APPZ_ACTN}() is not implemented in \`${APPZ_MNGR}\` mngr."; exit 1;}
+		has "appz_${APPZ_ACTN:-help}" || { prnt_err "appz_${APPZ_ACTN:-help}() is not implemented in \`${APPZ_MNGR}\` mngr."; exit 1;}
 		appz_run() {
-			has "appz_${APPZ_ACTN}" || return 1
-			appz_${APPZ_ACTN} "$@"
+			has "appz_${APPZ_ACTN:-help}" || return 1
+			appz_${APPZ_ACTN:-help} "$@"
 		}
 		;;
 	*)
-		echo "err : action \`${APPZ_ACTN}\` is not supported!!"
+		prnt_err "action \`${APPZ_ACTN}\` is not supported!!"
 		exit 1
 		;;
 esac
diff --git a/config/addons/crx b/config/addons/crx
new file mode 100644
index 0000000..d564bb3
--- /dev/null
+++ b/config/addons/crx
@@ -0,0 +1,272 @@
+#!/usr/bin/env bash
+APPZ_MNGR_VERSION="0.0.2 (wip)"
+APPZ_MNGR_NAME="crx"
+APPZ_DATA_DIR_CRX="${APPZ_DATA_DIR:?}/crx"
+APPZ_CACHE_DIR_CRX="${APPZ_CACHE_DIR:?}/crx"
+
+need xmllint curl sha256sum dd od zip jsonlint cat awk fzf || exit 1
+
+if has chromium ; then
+	CHROME_VER=$(chromium --version | awk '{print $2}')
+elif has brave; then
+	CHROME_VER=$(brave --version | awk '{print $3}')
+else
+	CHROME_VER='112.0.5615.165'
+fi
+
+CHROME_UA="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/${CHROME_VER:?} Safari/537.36}"
+CHROME_STR_URL="https://chrome.google.com/webstore/detail/"
+CHROME_REF_URL="https://chrome.google.com/webstore/"
+CHROME_REF="${CHROME_UA:+$CHROME_REF_URL}"
+
+mkdir -p "${APPZ_DATA_DIR_CRX:?}"
+mkdir -p "${APPZ_CACHE_DIR_CRX:?}"
+
+crx_addon_id_valid(){
+	case "${1}" in ('' | *[!a-z]* | *" "*) prnt_err "invalid extention ID \"${1}\"" >&2 ; return 1 ; esac
+}
+
+crx_download_addons_metadata(){
+	if (( $# == 0 )) ; then
+		local ARGS=$(< /dev/stdin)
+	else
+		local ARGS=$@
+	fi
+	for APP_ID in ${ARGS} ; do
+		echo "url = https://clients2.google.com/service/update2/crx?response=updatecheck&acceptformat=crx2,crx3&prodversion=${CHROME_VER}&x=id%3D${APP_ID}%26uc"
+		printf "output = %s\n" "${APPZ_CACHE_DIR_CRX:?}/${APP_ID}.xml"
+	done | curl -Z --parallel-max 10 -A "${CHROME_UA}" -H "accept-encoding:gzip" --compressed --referer "${CHROME_REF}" -K - &>/dev/null
+}
+
+crx_check_if_metadata_valid(){
+	local err_msg=$(xmllint --xpath "string(//@status)" "${APPZ_CACHE_DIR_CRX:?}/${@}.xml")
+	case "${err_msg}" in
+		"ok")
+			return 0 ;;
+		*)
+			prnt_err "\`${err_msg}\`" ; return 1 ;;
+	esac
+}
+
+crx_get_download_url_from_metadata(){
+	xmllint --xpath "string(//@codebase)" "${APPZ_CACHE_DIR_CRX:?}/${@}.xml" 2>/dev/null
+}
+
+crx_get_download_hash_from_metadata(){
+	xmllint --xpath "string(//@hash_sha256)" "${APPZ_CACHE_DIR_CRX:?}/${@}.xml" 2>/dev/null
+}
+
+crx_download_addon_package(){
+	local ADDON_DOWNLOAD_URL=$(crx_get_download_url_from_metadata "${@:?}")
+	local ADDON_DOWNLOAD_FILE="${APPZ_CACHE_DIR_CRX:?}/${@}.crx"
+	curl -fL --progress-bar -A "${CHROME_UA}" --referer "${CHROME_REF}" -o "${ADDON_DOWNLOAD_FILE:?}" -- "${ADDON_DOWNLOAD_URL}" && exitCode=0 || exitCode=$?
+	if [ ! "${exitCode:?}" -eq 0 ]; then
+		rm -fr "${ADDON_DOWNLOAD_FILE:?}"
+		return 1
+	fi
+}
+
+crx_check_addon_package_hash(){
+	local ADDON_HASH_STRING=$(crx_get_download_hash_from_metadata "${@:?}")
+	echo "${ADDON_HASH_STRING:?} ${APPZ_CACHE_DIR_CRX:?}/${@:?}.crx" | sha256sum --check --status || return 1
+}
+
+crx_check_addon_package_valid(){
+	CRMAGIC=$(dd if="${APPZ_CACHE_DIR_CRX:?}/${@:?}.crx" bs=4 count=1 2>/dev/null)
+	[ "$CRMAGIC" = Cr24 ] || { prnt_err "$@ is not a valid crx file." ; return 1;}
+	MANIFEST_VERSION=$(od -An -j4 -N4 -tu "${APPZ_CACHE_DIR_CRX:?}/${@:?}.crx" | tr -d ' \t')
+	case $MANIFEST_VERSION in
+		2)
+			KEY_LEN=$(od -An -j8 -N4 -tu "${APPZ_CACHE_DIR_CRX:?}/${@:?}.crx" | tr -d ' \t')
+			SIG_LEN=$(od -An -j12 -N4 -tu "${APPZ_CACHE_DIR_CRX:?}/${@:?}.crx" | tr -d ' \t')
+			OFFSET=$((16 + KEY_LEN + SIG_LEN))
+			;;
+		3)
+			HEADER_LEN=$(od -An -j8 -N4 -tu "${APPZ_CACHE_DIR_CRX:?}/${@:?}.crx" | tr -d ' \t')
+			OFFSET=$((12 + HEADER_LEN))
+		;;
+		*)
+			return 1 # "don't know how to deal with extensions version $MANIFEST_VERSION"
+			;;
+	esac
+	ZIPMAGIC=$(od -An -j$OFFSET -N4 -tx "${APPZ_CACHE_DIR_CRX:?}/${@:?}.crx" | tr -d ' \t')
+	[ $ZIPMAGIC = 04034b50 ] || { prnt_err "$@ is not a valid zip file." ; return 1;}
+	dd if="${APPZ_CACHE_DIR_CRX:?}/${@:?}.crx" of="${APPZ_CACHE_DIR_CRX:?}/${@:?}.zip" ibs=1 skip=$OFFSET 2>/dev/null
+}
+
+crx_unpack_addon_package(){
+	local ADDON_DIR="${APPZ_DATA_DIR_CRX}/venvs/${@:?}"
+	rm -fr "${ADDON_DIR:?}"
+	mkdir -p "${ADDON_DIR:?}"
+	unzip -qqo "${APPZ_CACHE_DIR_CRX:?}/${@:?}.zip" -d "${ADDON_DIR:?}" > /dev/null 2>&1
+}
+
+get_local_ext_name(){
+	local ADDON_DIR_TMP="${APPZ_DATA_DIR_CRX}/venvs/${@:?}"
+	local ADDON_DATA_TMP=$(cat "${ADDON_DIR_TMP:?}/manifest.json")
+	local ADDON_NAME_TMP=$(echo "${ADDON_DATA_TMP:?}" | jq -r ".name")
+	case "${ADDON_NAME_TMP}" in
+		"__MSG_"*)
+			ADDON_NAME_TMP="${ADDON_NAME_TMP##__MSG_}"
+			ADDON_NAME_TMP="${ADDON_NAME_TMP%%__}"
+			local ADDON_LOCALE=$(echo "${ADDON_DATA_TMP:?}" | jq -r ".default_locale")
+			cat "${APPZ_DATA_DIR_CRX}/venvs/${@:?}/_locales/${ADDON_LOCALE}/messages.json" | jq -r ".${ADDON_NAME_TMP}.message" 2>/dev/null || \
+			cat "${APPZ_DATA_DIR_CRX}/venvs/${@:?}/_locales/${ADDON_LOCALE}/messages.json" | jsonlint -Sf | jq -r ".${ADDON_NAME_TMP}.message"
+			;;
+		*)
+			echo "${ADDON_NAME_TMP}"
+			;;
+	esac
+}
+
+crx_install_addon_package(){
+	mkdir -p "${APPZ_DATA_DIR_CRX:?}/addons"
+	local ADDON_DIR="${APPZ_DATA_DIR_CRX}/venvs/${@:?}"
+	local ADDON_DATA=$(cat "${ADDON_DIR:?}/manifest.json")
+	local ADDON_NAME=$(get_local_ext_name "${@}" | sed 's/\//∕/')
+	local ADDON_ICON=$(echo "${ADDON_DATA:?}" | jq -r ".icons|.[]" | tail -1)
+	local ADDON_ICON_EX="${ADDON_ICON##*.}"
+	[ -f "${ADDON_DIR:?}/${ADDON_ICON}" ] && cp -f "${ADDON_DIR:?}/${ADDON_ICON}" "${ADDON_DIR:?}/.folder.${ADDON_ICON_EX}"
+	rm -fr "${APPZ_DATA_DIR_CRX:?}/addons/${ADDON_NAME:?}"
+	ln -s "${APPZ_DATA_DIR_CRX}/venvs/${@:?}" "${APPZ_DATA_DIR_CRX:?}/addons/${ADDON_NAME:?}"
+}
+
+appz_install() {
+	local ADDON_ID="$1"
+	crx_addon_id_valid "${ADDON_ID:?}" || { prnt_err "crx_addon_id_valid() failed" ; return 1 ; }
+	if ! is_file_uptodate "${APPZ_CACHE_DIR_CRX:?}/${ADDON_ID:?}.xml" ; then
+		crx_download_addons_metadata "${ADDON_ID:?}" || { prnt_err "crx_download_addons_metadata() failed" ; return 1 ; }
+	fi
+	crx_check_if_metadata_valid "${ADDON_ID:?}" || { prnt_err "crx_check_if_metadata_valid() failed" ; return 1 ; }
+	local installed_version=$(crx_get_installed_version "${ADDON_ID:?}" || echo 0)
+	local available_version=$(crx_get_available_version "${ADDON_ID:?}")
+
+	[ -z "${available_version}" ] && { prnt_err "can get available_version for ${ADDON_ID}" ; return 1; }
+
+	if [ "${installed_version:?}" = "${available_version:?}" ]; then	# if installed Version != available Version
+		local TMP_NAME=$(get_local_ext_name ${ADDON_ID})
+		echo ":: addon \`${TMP_NAME:?}\` is up to date" ; return 0
+	fi
+	if ! is_file_uptodate "${APPZ_CACHE_DIR_CRX:?}/${ADDON_ID:?}.crx" ; then
+		crx_download_addon_package "${ADDON_ID:?}" || { prnt_err "crx_download_addon_package() failed" ; return 1 ; }
+	fi
+	crx_check_addon_package_hash "${ADDON_ID:?}" || { prnt_err "crx_check_addon_package_hash() failed" ; return 1 ; }
+	if ! is_file_uptodate "${APPZ_CACHE_DIR_CRX:?}/${ADDON_ID:?}.zip" ; then
+		crx_check_addon_package_valid "${ADDON_ID:?}" || { prnt_err "crx_check_addon_package_valid() failed" ; return 1 ; }
+	fi
+	crx_unpack_addon_package "${ADDON_ID:?}" || { prnt_err "crx_unpack_addon_package() failed" ; return 1 ; }
+	crx_install_addon_package ${ADDON_ID:?} || { prnt_err "crx_install_addon_package() failed" ; return 1 ; }
+}
+
+crx_update_db(){
+	for TMP_ID in "${APPZ_DATA_DIR_CRX}/venvs/"*/ ; do
+		TMP_ID=${TMP_ID%"${TMP_ID##*[!/]}"}
+		TMP_ID=${TMP_ID##*/}
+		if ! is_file_uptodate "${APPZ_CACHE_DIR_CRX:?}/${TMP_ID:?}.xml" ; then
+			printf '%s ' ${TMP_ID}
+		fi
+	done | crx_download_addons_metadata
+}
+
+appz_update(){
+	crx_update_db
+	for TMP_ID in "${APPZ_DATA_DIR_CRX}/venvs/"*/ ; do
+		TMP_ID=${TMP_ID%"${TMP_ID##*[!/]}"}
+		TMP_ID=${TMP_ID##*/}
+		local TMP_NAME=$(get_local_ext_name ${TMP_ID})
+		local installed_version=$(crx_get_installed_version "$TMP_ID")
+		local available_version=$(crx_get_available_version "$TMP_ID")
+		[ -z "${available_version}" ] && { prnt_err "can get available_version for ${TMP_NAME} - (${TMP_ID})" ; continue; }
+		if [ ! "${installed_version:?}" = "${available_version:?}" ]; then	# if installed Version != available Version
+			printf -- '- %s : %s >> %s \n' "${TMP_NAME:?}" "${installed_version:?}" "${available_version:?}"
+		fi
+	done
+}
+
+crx_get_available_version(){
+	xmllint --xpath "string(//@version)" "${APPZ_CACHE_DIR_CRX:?}/${@}.xml" 2>/dev/null
+}
+
+crx_get_installed_version(){
+	jq -r ".version" "${APPZ_DATA_DIR_CRX}/venvs/${@:?}/manifest.json" 2>/dev/null
+}
+
+appz_upgrade(){
+	for TMP_ID in "${APPZ_DATA_DIR_CRX}/venvs/"*/ ; do
+		TMP_ID=${TMP_ID%"${TMP_ID##*[!/]}"}
+		TMP_ID=${TMP_ID##*/}
+		local TMP_NAME=$(get_local_ext_name ${TMP_ID})
+		local installed_version=$(crx_get_installed_version "$TMP_ID")
+		local available_version=$(crx_get_available_version "$TMP_ID")
+		[ -z "${available_version}" ] && { prnt_err "can get available_version for ${TMP_NAME} - (${TMP_ID})" ; continue; }
+		if [ ! "${installed_version:?}" = "${available_version:?}" ]; then	# if installed Version != available Version
+			printf -- '- %s : %s \n' "${TMP_ID:?} - ${TMP_NAME:?}" "${available_version:?}"
+			appz_install "${TMP_ID}"
+		fi
+	done
+}
+
+appz_clean(){
+	printf '%s\n' "crx cache directory: ${CRX_CACH_DIR} "
+	_prompt "==> Do you want to remove all crx metadata cache?" && rm -frv "${APPZ_CACHE_DIR_CRX:?}"/*
+}
+
+crx_get_search_data(){
+	curl -s "https://chrome.google.com/webstore/ajax/item?pv=20210820&hl=en&count=20&category=extensions&searchTerm=${@}&sortBy=0" \
+		 -X POST -H "accept-encoding:gzip" --compressed --silent \
+		 --referer "${CHROME_REF}" -A "${CHROME_UA}" \
+	| awk '{if (NR == 1) {print substr($0, 6)} else {print}}'
+}
+
+appz_search(){
+	[ -z "${1}" ] && { prnt_err "arg is not provided" ; return 1 ;}
+	local search_data=$(crx_get_search_data "${@}" | jq -r '.[1]|.[1]|.[]| "\(.[0]) \(.[1]) by \(.[2])"')
+	[ -z "${search_data}" ] && { prnt_err "failed to get search data" ; return 1;}
+	local selected_addon_id=$(echo "${search_data}" | fzf -i -e -m --cycle --no-sort --layout=reverse --preview-window=right,90 --preview "appz ${APPZ_MNGR:?} show {+1}" --with-nth='2..' --delimiter=" " -q "${*:-}" | awk '{print $1}')
+	[ -z "$selected_addon_id" ] && return 0
+	_prompt "do you wanna install $selected_addon_id ?" && appz_install "$selected_addon_id"
+}
+
+crx_get_addon_info(){
+	curl -s "https://chrome.google.com/webstore/ajax/detail?hl=en&pv=20210820&id=${@}" \
+		 -X POST -H "accept-encoding:gzip" --compressed --silent \
+		 --referer "${CHROME_REF}" -A "${CHROME_UA}" \
+	| awk '{if (NR == 1) {print substr($0, 6)} else {print}}'
+}
+
+appz_show(){
+	[ -z "$1" ] && { prnt_err "arg is not provided" ; return 1 ;}
+	crx_addon_id_valid "$1" || return 1;
+	local search_data=$(crx_get_addon_info "$1")
+	local addon_id=$(echo "${search_data}" | jq -r '.[1]|.[1]|.[0]|.[0]')
+	local addon_name=$(echo "${search_data}" | jq -r '.[1]|.[1]|.[0]|.[1]')
+	local addon_version=$(echo "${search_data}" | jq -r '.[1]|.[1]|.[6]')
+	local addon_author_name=$(echo "${search_data}" | jq -r '.[1]|.[1]|.[0]|.[2]')
+	local addon_author_mail=$(echo "${search_data}" | jq -r '.[1]|.[1]|.[35]|.[0]')
+	local addon_description=$(echo "${search_data}" | jq -r '.[1]|.[1]|.[0]|.[6]')
+	local addon_category=$(echo "${search_data}" | jq -r '.[1]|.[1]|.[0]|.[10]')
+	local addon_description_big=$(echo "${search_data}" | jq -r '.[1]|.[1]|.[1]')
+	local addon_url=$(echo "${search_data}" | jq -r '.[1]|.[1]|.[5]')
+	local addon_date=$(echo "${search_data}" | jq -r '.[1]|.[1]|.[7]')
+	local addon_size=$(echo "${search_data}" | jq -r '.[1]|.[1]|.[25]')
+	local addon_slug=$(echo "${search_data}" | jq -r '.[1]|.[1]|.[0]|.[61]')
+	local addon_req=$(echo "${search_data}" | jq -r '.[1]|.[1]|.[0]|.[58]')
+	echo "Repository      : chrome-web-store"
+	echo "Name            : ${addon_name}"
+	echo "Version         : ${addon_version}"
+	echo "Description     : ${addon_description}"
+	echo "Category        : ${addon_category}"
+	echo "Chrome Version  : ${addon_req} +"
+	echo "URL             : ${addon_url}"
+	echo "Store URL       : ${CHROME_STR_URL}${addon_id}"
+	echo "Provides        : ${addon_slug}"
+	echo "Download Size   : ${addon_size}"
+	echo "Author          : ${addon_author_name} <${addon_author_mail}>"
+	echo "Build Date      : ${addon_date}"
+	echo "Validated By    : SHA-256 Sum"
+#	echo "Validated By    : MD5 Sum  SHA-256 Sum  Signature"
+}
+
+appz_count(){
+	ls "${APPZ_DATA_DIR_CRX}/venvs/" | tot
+}
diff --git a/config/addons/pacman b/config/addons/pacman
index a363f49..7c89356 100644
--- a/config/addons/pacman
+++ b/config/addons/pacman
@@ -12,10 +12,10 @@ appz_list(){
 }
 
 appz_search(){
-    local selected_app=$(pacman -Ssq | fzf -i -e -m --preview 'pacman -Si {}' --layout=reverse -q "${*:-}" )
-    [ -z "$selected_app" ] && return 0
-    pacman -Si "$selected_app"
-    _prompt "do you wanna install $selected_app ?" && sudo pacman -S "$selected_app"
+	local selected_app=$(pacman -Ssq | fzf -i -e -m --preview 'pacman -Si {}' --layout=reverse -q "${*:-}" )
+	[ -z "$selected_app" ] && return 0
+	pacman -Si "$selected_app"
+	_prompt "do you wanna install $selected_app ?" && sudo pacman -S "$selected_app"
 }
 
 appz_install() {
@@ -37,30 +37,35 @@ appz_install() {
 }
 
 appz_update_pacman_mirrorlist(){
-    reflector --verbose --protocol https --latest 10 --sort rate --save "${pacman_mirrorlist:?}"
-    echo "#\n" >> "${pacman_mirrorlist:?}"
-    reflector --country Spain,Germany,France,Sweden,Netherlands --protocol https --latest 40 >> "${pacman_mirrorlist:?}"
-    awk ' !x[$0]++' "${pacman_mirrorlist:?}" > "${pacman_mirrorlist:?}_new"
-    sudo mv -f -v "${pacman_mirrorlist:?}_new" /etc/pacman.d/mirrorlist
+	reflector --verbose --protocol https --latest 10 --sort rate --save "${pacman_mirrorlist:?}" || { prnt_err "error to get update mirrors list" ;return 1 ; }
+	echo "#\n" >> "${pacman_mirrorlist:?}"
+	reflector --country Spain,Germany,France,Sweden,Netherlands --protocol https --latest 40 >> "${pacman_mirrorlist:?}" || { prnt_err "error to get update mirrors list" ;return 1 ; }
+	awk ' !x[$0]++' "${pacman_mirrorlist:?}" > "${pacman_mirrorlist:?}_new"
+	_prompt "do you want to save mirror list" || { echo "skipped update mirrors"; return 0; }
+	sudo mv -f -v "${pacman_mirrorlist:?}_new" /etc/pacman.d/mirrorlist
 }
 
 appz_update(){
 	if ! is_file_uptodate "${pacman_mirrorlist:?}"; then
 		_prompt "do you want to update pacman mirror list" && \
 		appz_update_pacman_mirrorlist || \
-		touch "${pacman_mirrorlist:?}"
+		rm -fr "${pacman_mirrorlist:?}"
+	fi
+	echo ":: checking for new updates"
+	if [ "${APPZ_FORCE_ACT:?}" == true ] ; then
+		sudo pacman -Syy;
+	else
+		sudo pacman -Sy;
 	fi
 
-    sudo pacman -Sy;
-
-    if pacman -Qu | grep -v "\[ignored\]" -q; then
-        notify-send "🎁 apps" "New updates available."
-        printf -- '\033[1;32m%s \033[0m\n' "-> New updates available."
-        pacman -Qu;
-    else
-        notify-send "📦 apps" "Sync complete. No new packages for update."
-        printf -- '\033[1;31m%s \033[0m\n' "-> Sync complete. No new packages for update."
-    fi
+	if pacman -Qu | grep -v "\[ignored\]" -q; then
+		notify-send "🎁 apps" "New updates available."
+		printf -- '\033[1;32m%s \033[0m\n' "-> New updates available."
+		pacman -Qu;
+	else
+		notify-send "📦 apps" "Sync complete. No new packages for update."
+		printf -- '\033[1;31m%s \033[0m\n' "-> Sync complete. No new packages for update."
+	fi
 }
 
 appz_upgrade(){
@@ -83,16 +88,16 @@ appz_remove(){
 }
 
 appz_has(){
-    while [ "$1" ]; do
-        if $(pacman -Qnq $1 >/dev/null 2>&1); then
-            printf ' %s \033[32;1m\t%s \033[0m\n' "- $1" "installed"
-        elif $(pacman -Ssq "^$1" >/dev/null 2>&1); then
-            printf ' %s \033[31;1m\t%s \033[0m\n' "- $1" "not installed"
-        else
-            printf ' %s \033[31;1m\t%s \033[0m\n' "- $1" "not available in pacman"
-        fi
-        shift
-    done
+	while [ "$1" ]; do
+		if $(pacman -Qnq $1 >/dev/null 2>&1); then
+			printf ' %s \033[32;1m\t%s \033[0m\n' "- $1" "installed"
+		elif $(pacman -Ssq "^$1" >/dev/null 2>&1); then
+			printf ' %s \033[31;1m\t%s \033[0m\n' "- $1" "not installed"
+		else
+			printf ' %s \033[31;1m\t%s \033[0m\n' "- $1" "not available in pacman"
+		fi
+		shift
+	done
 }
 
 appz_clean(){