diff --git a/.local/bin/fixnames b/.local/bin/fixnames
new file mode 100644
index 00000000..37f101d5
--- /dev/null
+++ b/.local/bin/fixnames
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+find . -depth -name '*' -print0 | xargs -0 -n1 -P10 -I{} sh -c '
+    generate_unique_name() {
+        base_name="$1"; ext="$2"; dest_path="$3"; count=1
+        [ -z "$ext" ] && new_name="$base_name" || new_name="${base_name}.${ext}"
+        while [ -e "${dest_path}/${new_name}" ]; do
+            [ -z "$ext" ] && new_name="${base_name}_${count}" || new_name="${base_name}_${count}.${ext}"
+            count=$(( count + 1 ))
+        done
+        echo "$new_name"
+    }
+
+    process_item() {
+        item_path="$1"; [ "$item_path" = "." ] && return
+        dir_name=$(dirname "$item_path"); base_name=$(basename "$item_path")
+        if [ -d "$item_path" ]; then
+            new_name=$(echo "$base_name" | sed -E "s/[^a-zA-Z0-9 _.-]+//g; s/[ .-]+/_/g; s/_+/_/g; s/^_//; s/_$//; s/(.*)/\L\1/")
+            [ -z "$new_name" ] && new_name="untitled"
+        else
+            file_ext="${base_name##*.}"
+            base_name_no_ext="${base_name%.*}"
+            new_base_name_no_ext=$(echo "$base_name_no_ext" | sed -E "s/[^a-zA-Z0-9 _.-]+//g; s/[ .-]+/_/g; s/_+/_/g; s/^_//; s/_$//; s/(.*)/\L\1/")
+            [ -z "$new_base_name_no_ext" ] && new_base_name_no_ext="untitled"
+            new_name="${new_base_name_no_ext}.${file_ext}"
+        fi
+        if [ "$base_name" != "$new_name" ]; then
+            [ -e "${dir_name}/${new_name}" ] && new_name=$(generate_unique_name "${new_name%.*}" "${new_name##*.}" "$dir_name")
+            mv "$item_path" "${dir_name}/${new_name}" 2>/dev/null || true
+        fi
+    }
+    process_item "{}"
+' 2>/dev/null