diff --git a/src/PVENodeInfo/PVEMod_Config.pm b/src/PVENodeInfo/PVEMod_Config.pm
index 7627243..ad17b22 100644
--- a/src/PVENodeInfo/PVEMod_Config.pm
+++ b/src/PVENodeInfo/PVEMod_Config.pm
@@ -36,19 +36,19 @@ our %config = (
         gpu_history    => 0,
     },
     debug => {
-        log_enabled         => 0,
-        log_file            => '/tmp/pve-mod-debug.log',
-        nvidia_mode         => 1,
-        nvidia_devices_file => '/tmp/nvidia-smi-devices.csv',
-        nvidia_output_file  => '/tmp/nvidia-smi-output.csv',
-        intel_mode          => 0,
-        intel_devices_file  => '/tmp/intel-gpu-devices.json',
-        amd_mode            => 0,
-        amd_devices_file    => '/tmp/amd-gpu-devices.json',
-        ups_mode            => 0,
-        ups_output_file     => '/tmp/ups-output.json',
+        log_enabled            => 0,
+        log_file               => '/tmp/pve-mod-debug.log',
         lm_sensors_mode        => 0,
         lm_sensors_output_file => '/tmp/sensors-output.json',
+        intel_mode             => 0,
+        intel_devices_file     => '/tmp/intel-gpu-devices.json',
+        nvidia_mode            => 0,
+        nvidia_devices_file    => '/tmp/nvidia-smi-devices.csv',
+        nvidia_output_file     => '/tmp/nvidia-smi-output.csv',
+        amd_mode               => 0,
+        amd_devices_file       => '/tmp/amd-gpu-devices.json',
+        ups_mode               => 0,
+        ups_output_file        => '/tmp/ups-output.json',
     },
     intervals => {
         data_pull         => 1,          # seconds between data pulls
@@ -138,6 +138,9 @@ sub _load_ini_file {
             elsif ($section eq 'system_info' && exists $config{system_info}{$key}) {
                 $config{system_info}{$key} = $val;
             }
+            elsif ($section eq 'debug' && exists $config{debug}{$key}) {
+                $config{debug}{$key} = $val;
+            }
         }
     }
     close $fh;
diff --git a/src/Scripts/pve-mod-configure b/src/Scripts/pve-mod-configure
index 296555f..e374b6a 100644
--- a/src/Scripts/pve-mod-configure
+++ b/src/Scripts/pve-mod-configure
@@ -321,11 +321,91 @@ enabled=${PVE_TRIGGER_ENABLED}
 
 [service]
 mode=embedded
+
+# Debug mode: when a collector's mode is 1, the real tool is not required.
+# Data is read from the file path instead. Useful for development/testing.
+[debug]
+lm_sensors_mode=${DEBUG_LM_SENSORS}
+lm_sensors_output_file=${DEBUG_LM_SENSORS_FILE}
+intel_mode=${DEBUG_INTEL}
+intel_devices_file=${DEBUG_INTEL_FILE}
+nvidia_mode=${DEBUG_NVIDIA}
+nvidia_devices_file=${DEBUG_NVIDIA_DEVICES_FILE}
+nvidia_output_file=${DEBUG_NVIDIA_OUTPUT_FILE}
+amd_mode=${DEBUG_AMD}
+amd_devices_file=${DEBUG_AMD_FILE}
+ups_mode=${DEBUG_UPS}
+ups_output_file=${DEBUG_UPS_FILE}
+log_enabled=${DEBUG_LOG}
+log_file=${DEBUG_LOG_FILE}
 EOF
     info "Configuration saved to $CONF_FILE"
 }
 #endregion write config
 
+#region debug wizard
+configure_debug() {
+    msgb "\n=== Debug / Development Mode ==="
+    echo "Debug mode substitutes real tools with pre-captured data files."
+    echo "When a collector's mode is enabled the tool (sensors/intel_gpu_top/etc.) is not required."
+    local choice
+    choice=$(ask "Configure debug file overrides? (y/N)")
+    [[ "$choice" != [yY] ]] && return
+
+    local newpath
+
+    choice=$(ask "Enable LM-Sensors debug? (y/N)")
+    if [[ "$choice" == [yY] ]]; then
+        DEBUG_LM_SENSORS=1
+        newpath=$(ask "Path to sensors JSON file [${DEBUG_LM_SENSORS_FILE}]")
+        DEBUG_LM_SENSORS_FILE="${newpath:-$DEBUG_LM_SENSORS_FILE}"
+        info "LM-Sensors debug: ${DEBUG_LM_SENSORS_FILE}"
+    fi
+
+    choice=$(ask "Enable Intel GPU debug? (y/N)")
+    if [[ "$choice" == [yY] ]]; then
+        DEBUG_INTEL=1
+        newpath=$(ask "Path to Intel GPU devices JSON [${DEBUG_INTEL_FILE}]")
+        DEBUG_INTEL_FILE="${newpath:-$DEBUG_INTEL_FILE}"
+        info "Intel GPU debug: ${DEBUG_INTEL_FILE}"
+    fi
+
+    choice=$(ask "Enable NVIDIA GPU debug? (y/N)")
+    if [[ "$choice" == [yY] ]]; then
+        DEBUG_NVIDIA=1
+        newpath=$(ask "Path to nvidia-smi output CSV [${DEBUG_NVIDIA_OUTPUT_FILE}]")
+        DEBUG_NVIDIA_OUTPUT_FILE="${newpath:-$DEBUG_NVIDIA_OUTPUT_FILE}"
+        newpath=$(ask "Path to nvidia-smi devices CSV [${DEBUG_NVIDIA_DEVICES_FILE}]")
+        DEBUG_NVIDIA_DEVICES_FILE="${newpath:-$DEBUG_NVIDIA_DEVICES_FILE}"
+        info "NVIDIA GPU debug: output=${DEBUG_NVIDIA_OUTPUT_FILE} devices=${DEBUG_NVIDIA_DEVICES_FILE}"
+    fi
+
+    choice=$(ask "Enable AMD GPU debug? (y/N)")
+    if [[ "$choice" == [yY] ]]; then
+        DEBUG_AMD=1
+        newpath=$(ask "Path to AMD GPU devices JSON [${DEBUG_AMD_FILE}]")
+        DEBUG_AMD_FILE="${newpath:-$DEBUG_AMD_FILE}"
+        info "AMD GPU debug: ${DEBUG_AMD_FILE}"
+    fi
+
+    choice=$(ask "Enable UPS debug? (y/N)")
+    if [[ "$choice" == [yY] ]]; then
+        DEBUG_UPS=1
+        newpath=$(ask "Path to UPS output JSON [${DEBUG_UPS_FILE}]")
+        DEBUG_UPS_FILE="${newpath:-$DEBUG_UPS_FILE}"
+        info "UPS debug: ${DEBUG_UPS_FILE}"
+    fi
+
+    choice=$(ask "Enable debug logging? (y/N)")
+    if [[ "$choice" == [yY] ]]; then
+        DEBUG_LOG=1
+        newpath=$(ask "Log file path [${DEBUG_LOG_FILE}]")
+        DEBUG_LOG_FILE="${newpath:-$DEBUG_LOG_FILE}"
+        info "Debug log: ${DEBUG_LOG_FILE}"
+    fi
+}
+#endregion debug wizard
+
 main() {
     # ── Root check ────────────────────────────────────────────────────────────
     [[ $EUID -eq 0 ]] || err "This script must be run as root."
@@ -362,6 +442,13 @@ main() {
     ENABLE_UPS=0; UPS_DEVICE_NAME="ups@localhost"
     ENABLE_SYSTEM_INFO=0; SYSTEM_INFO_TYPE=1
     PVE_TRIGGER_ENABLED=0
+    DEBUG_LM_SENSORS=0; DEBUG_LM_SENSORS_FILE="/tmp/sensors-output.json"
+    DEBUG_INTEL=0;      DEBUG_INTEL_FILE="/tmp/intel-gpu-devices.json"
+    DEBUG_NVIDIA=0;     DEBUG_NVIDIA_OUTPUT_FILE="/tmp/nvidia-smi-output.csv"
+                        DEBUG_NVIDIA_DEVICES_FILE="/tmp/nvidia-smi-devices.csv"
+    DEBUG_AMD=0;        DEBUG_AMD_FILE="/tmp/amd-gpu-devices.json"
+    DEBUG_UPS=0;        DEBUG_UPS_FILE="/tmp/ups-output.json"
+    DEBUG_LOG=0;        DEBUG_LOG_FILE="/tmp/pve-mod-debug.log"
 
     # ── Module selection ──────────────────────────────────────────────────────
     msgb "\n=== pve-mod Module Selection ==="
@@ -391,6 +478,9 @@ main() {
         info "Subscription nag screen removal will be applied."
     fi
 
+    # ── Debug mode ────────────────────────────────────────────────────────────
+    configure_debug
+
     # ── Re-patch on PVE upgrade ───────────────────────────────────────────────
     msgb "\n=== Auto Re-patching on PVE Upgrade ==="
     echo "pve-mod registers a dpkg trigger on pve-manager. When pve-manager is"
diff --git a/src/pve-mod.conf b/src/pve-mod.conf
index 0e2a81d..40c3022 100644
--- a/src/pve-mod.conf
+++ b/src/pve-mod.conf
@@ -36,3 +36,20 @@ enabled=0
 
 [service]
 mode=embedded
+
+# Debug mode: when a mode is 1, the real tool is not required.
+# Data is read from the file path instead. Useful for development/testing.
+[debug]
+lm_sensors_mode=0
+lm_sensors_output_file=/tmp/sensors-output.json
+intel_mode=0
+intel_devices_file=/tmp/intel-gpu-devices.json
+nvidia_mode=0
+nvidia_devices_file=/tmp/nvidia-smi-devices.csv
+nvidia_output_file=/tmp/nvidia-smi-output.csv
+amd_mode=0
+amd_devices_file=/tmp/amd-gpu-devices.json
+ups_mode=0
+ups_output_file=/tmp/ups-output.json
+log_enabled=0
+log_file=/tmp/pve-mod-debug.log