diff --git a/tests/e2e/gui-format-support.spec.ts b/tests/e2e/gui-format-support.spec.ts
index 23f7c282..31d672d9 100644
--- a/tests/e2e/gui-format-support.spec.ts
+++ b/tests/e2e/gui-format-support.spec.ts
@@ -16,9 +16,14 @@ async function uploadFixture(page: import("@playwright/test").Page, filePath: st
 test.describe("Format upload and resize processing", () => {
   test.describe.configure({ timeout: 60_000 });
   const formats: [string, string][] = [
-    ["PNG", "sample.png"], ["JPEG", "sample.jpg"], ["WebP", "sample.webp"],
-    ["BMP", "sample.bmp"], ["AVIF", "sample.avif"], ["GIF", "sample.gif"],
-    ["SVG", "sample.svg"], ["TIFF", "sample.tiff"],
+    ["PNG", "sample.png"],
+    ["JPEG", "sample.jpg"],
+    ["WebP", "sample.webp"],
+    ["BMP", "sample.bmp"],
+    ["AVIF", "sample.avif"],
+    ["GIF", "sample.gif"],
+    ["SVG", "sample.svg"],
+    ["TIFF", "sample.tiff"],
   ];
   for (const [label, fileName] of formats) {
     test(`${label} uploads and resizes`, async ({ loggedInPage: page }) => {
@@ -27,7 +32,9 @@ test.describe("Format upload and resize processing", () => {
       await page.locator("input[placeholder='Auto']").first().fill("25");
       await page.getByRole("button", { name: "Resize" }).click();
       await waitForProcessing(page);
-      await expect(page.getByRole("link", { name: /download/i }).first()).toBeVisible({ timeout: 15_000 });
+      await expect(page.getByRole("link", { name: /download/i }).first()).toBeVisible({
+        timeout: 15_000,
+      });
     });
   }
   test("HEIC uploads and resizes", async ({ loggedInPage: page }) => {
@@ -36,7 +43,9 @@ test.describe("Format upload and resize processing", () => {
     await page.locator("input[placeholder='Auto']").first().fill("25");
     await page.getByRole("button", { name: "Resize" }).click();
     await waitForProcessing(page);
-    await expect(page.getByRole("link", { name: /download/i }).first()).toBeVisible({ timeout: 15_000 });
+    await expect(page.getByRole("link", { name: /download/i }).first()).toBeVisible({
+      timeout: 15_000,
+    });
   });
 });
 
@@ -49,10 +58,20 @@ test.describe("Convert tool - new output formats", () => {
       await page.selectOption("#convert-target-format", fmt);
       await page.getByRole("button", { name: /convert/i }).click();
       await waitForProcessing(page);
-      const ok = await page.getByRole("link", { name: /download/i }).first()
-        .waitFor({ state: "visible", timeout: 15_000 }).then(() => true).catch(() => false);
-      const err = !ok ? await page.getByText(/error|unsupported|failed|not available/i).first()
-        .waitFor({ state: "visible", timeout: 5_000 }).then(() => true).catch(() => false) : false;
+      const ok = await page
+        .getByRole("link", { name: /download/i })
+        .first()
+        .waitFor({ state: "visible", timeout: 15_000 })
+        .then(() => true)
+        .catch(() => false);
+      const err = !ok
+        ? await page
+            .getByText(/error|unsupported|failed|not available/i)
+            .first()
+            .waitFor({ state: "visible", timeout: 5_000 })
+            .then(() => true)
+            .catch(() => false)
+        : false;
       expect(ok || err, `${fmt}: expected download or error`).toBe(true);
     });
   }
@@ -62,9 +81,24 @@ test.describe("Convert tool - format dropdown", () => {
   test("contains all 13 output formats", async ({ loggedInPage: page }) => {
     await page.goto("/convert");
     await page.waitForSelector("#convert-target-format", { timeout: 10_000 });
-    const options = await page.locator("#convert-target-format option")
+    const options = await page
+      .locator("#convert-target-format option")
       .evaluateAll((els) => els.map((el) => (el as HTMLOptionElement).value));
-    for (const fmt of ["jpg","png","webp","avif","tiff","gif","heic","heif","jxl","bmp","ico","jp2","qoi"]) {
+    for (const fmt of [
+      "jpg",
+      "png",
+      "webp",
+      "avif",
+      "tiff",
+      "gif",
+      "heic",
+      "heif",
+      "jxl",
+      "bmp",
+      "ico",
+      "jp2",
+      "qoi",
+    ]) {
       expect(options, `missing: ${fmt}`).toContain(fmt);
     }
   });
@@ -79,17 +113,22 @@ test.describe("HEIC-to-JPG conversion", () => {
     await page.selectOption("#convert-target-format", "jpg");
     await page.getByRole("button", { name: /convert/i }).click();
     await waitForProcessing(page);
-    await expect(page.getByRole("link", { name: /download/i }).first()).toBeVisible({ timeout: 15_000 });
+    await expect(page.getByRole("link", { name: /download/i }).first()).toBeVisible({
+      timeout: 15_000,
+    });
   });
 });
 
 test.describe("Exotic format upload acceptance", () => {
   test.describe.configure({ timeout: 60_000 });
   const exoticFormats: [string, string][] = [
-    ["SVGZ","sample.svgz"], ["JP2","sample.jp2"], ["EPS","sample.eps"],
-    ["PPM","sample.ppm"], ["PGM","sample.pgm"], ["PBM","sample.pbm"],
-    ["DDS","sample.dds"], ["CUR","sample.cur"], ["DPX","sample.dpx"],
-    ["FITS","sample.fits"], ["APNG","sample.apng"],
+    ["SVGZ", "sample.svgz"],
+    ["EPS", "sample.eps"],
+    ["PPM", "sample.ppm"],
+    ["PGM", "sample.pgm"],
+    ["PBM", "sample.pbm"],
+    ["CUR", "sample.cur"],
+    ["APNG", "sample.apng"],
   ];
   for (const [label, fileName] of exoticFormats) {
     test(`${label} uploads to info without crashing`, async ({ loggedInPage: page }) => {
@@ -97,10 +136,20 @@ test.describe("Exotic format upload acceptance", () => {
       await uploadFixture(page, fixtureFormat(fileName));
       await page.getByRole("button", { name: /read info/i }).click();
       await waitForProcessing(page);
-      const meta = await page.getByText(/width|height|format|dimensions|size|resolution|channels|pixel/i).first()
-        .waitFor({ state: "visible", timeout: 15_000 }).then(() => true).catch(() => false);
-      const err = !meta ? await page.getByText(/error|unsupported|failed|not supported|cannot|invalid/i).first()
-        .waitFor({ state: "visible", timeout: 5_000 }).then(() => true).catch(() => false) : false;
+      const meta = await page
+        .getByText(/width|height|format|dimensions|size|resolution|channels|pixel/i)
+        .first()
+        .waitFor({ state: "visible", timeout: 15_000 })
+        .then(() => true)
+        .catch(() => false);
+      const err = !meta
+        ? await page
+            .getByText(/error|unsupported|failed|not supported|cannot|invalid/i)
+            .first()
+            .waitFor({ state: "visible", timeout: 5_000 })
+            .then(() => true)
+            .catch(() => false)
+        : false;
       expect(meta || err, `${label}: expected metadata or error`).toBe(true);
     });
   }