diff --git a/scripts/inspectStudioLayers.ts b/scripts/inspectStudioLayers.ts
new file mode 100644
index 0000000000..a42aacaff0
--- /dev/null
+++ b/scripts/inspectStudioLayers.ts
@@ -0,0 +1,78 @@
+import Script from "./Script"
+import ScriptUtils from "./ScriptUtils"
+import { LayerConfigJson } from "../src/Models/ThemeConfig/Json/LayerConfigJson"
+import { readFileSync, statSync } from "fs"
+import LayerConfig from "../src/Models/ThemeConfig/LayerConfig"
+import { PrepareLayer } from "../src/Models/ThemeConfig/Conversion/PrepareLayer"
+import { TagUtils } from "../src/Logic/Tags/TagUtils"
+
+class CompareLayer {
+    private _knownLayers: Map<string, LayerConfigJson>
+
+    constructor(knownLayers: Map<string, LayerConfigJson>) {
+        this._knownLayers = knownLayers
+    }
+
+    public compare(layer: LayerConfigJson, path: string) {
+        const candidate = this._knownLayers.get(layer.id)
+        if (!layer.source?.["osmTags"]) {
+            return
+        }
+        layer.tagRenderings = layer.tagRenderings?.filter(tr => tr !== "images") ?? []
+        if(layer.tagRenderings.length === 0){
+            return
+        }
+        if (!candidate) {
+            console.log("## " + layer.id + " (unique)")
+            const info = statSync(path)
+            console.log(`\n[${layer.id}](${path}) Last edited ${info.mtime.toISOString()}\n\n`)
+            const source = TagUtils.Tag(layer.source?.["osmTags"])
+            console.log(source.asHumanString(true, false))
+            if (layer.tagRenderings.length === 0) {
+                console.log("MINIMAL")
+            }
+            console.log("> "+layer.description?.["en"])
+        }
+    }
+
+}
+
+class InspectStudioLayers extends Script {
+
+    constructor() {
+        super("Iterates over all the studio layers and tries to match it with an already existing layer and list differences")
+    }
+
+
+    async main(args: string[]): Promise<void> {
+        const path = args[0] ?? "/home/pietervdvn/data/mapcomplete-custom-themes"
+        const files = ScriptUtils.readDirRecSync(path)
+            .filter(p => p.endsWith(".json"))
+            .filter(p => p.indexOf("/themes/") < 0)
+            .filter(p => !p.endsWith("license_info.json") && p.indexOf(".stversions") < 0)
+        const officialFiles = new Map<string, LayerConfigJson>()
+        const unofficial: { layer: LayerConfigJson, path: string }[] = []
+        for (const file of files) {
+            const rest = file.substring(path.length + 1)
+            console.log("Loading ", rest)
+            try {
+                const config = <LayerConfigJson>JSON.parse(readFileSync(file, "utf-8"))
+                if (rest.indexOf("layers") < 3) {
+                    officialFiles.set(config.id, config)
+                } else {
+                    unofficial.push({ layer: config, path: file })
+                }
+            } catch (e) {
+                console.error("COULD NOT READ/PARSE", file, "ignoring it")
+            }
+        }
+        console.log("Loaded", unofficial.length, "custom layers and ", officialFiles.size, "official layers")
+        const comp = new CompareLayer(officialFiles)
+        for (const layerConfigJson of unofficial) {
+            comp.compare(layerConfigJson.layer, layerConfigJson.path)
+        }
+    }
+
+}
+
+new InspectStudioLayers().run()