diff --git a/src/lib/converters/vips.svelte.ts b/src/lib/converters/vips.svelte.ts
index 639809c..bc91676 100644
--- a/src/lib/converters/vips.svelte.ts
+++ b/src/lib/converters/vips.svelte.ts
@@ -1,12 +1,16 @@
 import { VertFile } from "$lib/types";
 import { Converter } from "./converter.svelte";
-import VipsWorker from "$lib/workers/vips?worker";
+import VipsWorker from "$lib/workers/vips?worker&url";
 import { browser } from "$app/environment";
 import type { WorkerMessage, OmitBetterStrict } from "$lib/types";
 import { log } from "$lib/logger";
 
 export class VipsConverter extends Converter {
-	private worker: Worker = browser ? new VipsWorker() : null!;
+	private worker: Worker = browser
+		? new Worker(VipsWorker, {
+				type: "module",
+			})
+		: null!;
 	private id = 0;
 	public name = "libvips";
 	public ready = $state(false);
@@ -35,8 +39,10 @@ export class VipsConverter extends Converter {
 		super();
 		log(["converters", this.name], `created converter`);
 		if (!browser) return;
+		log(["converters", this.name], `loading worker @ ${VipsWorker}`);
 		this.worker.onmessage = (e) => {
 			const message: WorkerMessage = e.data;
+			log(["converters", this.name], `received message ${message.type}`);
 			if (message.type === "loaded") this.ready = true;
 		};
 	}
diff --git a/src/lib/types/file.svelte.ts b/src/lib/types/file.svelte.ts
index d82d0ff..bcc2631 100644
--- a/src/lib/types/file.svelte.ts
+++ b/src/lib/types/file.svelte.ts
@@ -34,7 +34,6 @@ export class VertFile {
 	}
 
 	public async convert() {
-		console.log(this.converter);
 		if (!this.converter) throw new Error("No converter found");
 		this.result = null;
 		this.progress = 0;
diff --git a/src/routes/+page.svelte b/src/routes/+page.svelte
index 0c4d52f..5fd9a71 100644
--- a/src/routes/+page.svelte
+++ b/src/routes/+page.svelte
@@ -20,7 +20,7 @@
 					const from =
 						"." + f.name.toLowerCase().split(".").slice(-1);
 					const converter = converters.find((c) =>
-						c.supportedFormats.includes(from),
+						c.supportedFormats.includes(from.toLowerCase()),
 					);
 					if (!converter) resolve();
 					const to =
diff --git a/src/routes/convert/+page.svelte b/src/routes/convert/+page.svelte
index 24b19cf..77a8ddb 100644
--- a/src/routes/convert/+page.svelte
+++ b/src/routes/convert/+page.svelte
@@ -35,8 +35,8 @@
 			const file = files.files[i];
 			const converter = converters.find(
 				(c) =>
-					c.supportedFormats.includes(file.from) &&
-					c.supportedFormats.includes(file.to),
+					c.supportedFormats.includes(file.from.toLowerCase()) &&
+					c.supportedFormats.includes(file.to.toLowerCase()),
 			);
 			if (!converter) throw new Error("No converter found");
 			required.push(converter);