diff --git a/insert-channel-id-into-json.bash b/insert-channel-id-into-json.bash
new file mode 100644
index 0000000..85a952b
--- /dev/null
+++ b/insert-channel-id-into-json.bash
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+for f in *.info.json; do
+  [ -f "$f" ] || continue
+
+  # Extract the uploader_url line safely using jq if available
+  if command -v jq >/dev/null 2>&1; then
+    uploader_url=$(jq -r '.uploader_url // empty' "$f")
+  else
+    # fallback to grep/sed if jq not present
+    uploader_url=$(grep -oP '(?<="uploader_url": ")[^"]+' "$f")
+  fi
+
+  # Skip if no uploader_url found
+  [ -z "$uploader_url" ] && { echo "No uploader_url in $f, skipping."; continue; }
+
+  # Extract the channel ID (everything after '/channel/')
+  channel_id=$(echo "$uploader_url" | sed -n 's|.*/channel/\([^/"]*\).*|\1|p')
+
+  # Skip if extraction failed
+  [ -z "$channel_id" ] && { echo "No channel ID found in $f, skipping."; continue; }
+
+  # Update JSON with channel_id field
+  if command -v jq >/dev/null 2>&1; then
+    tmpfile=$(mktemp)
+    jq --arg cid "$channel_id" '.channel_id = $cid' "$f" > "$tmpfile" && mv "$tmpfile" "$f"
+    echo "Inserted channel_id into $f: $channel_id"
+  else
+    # Simple sed fallback (assumes JSON is flat)
+    sed -i "/\"uploader_url\"/a \ \ \"channel_id\": \"$channel_id\"," "$f"
+    echo "Inserted channel_id into $f (using sed): $channel_id"
+  fi
+done