diff --git a/end-to-end-tests/fixtures/extensionBase.ts b/end-to-end-tests/fixtures/extensionBase.ts
index d06923a5f9..8ba4f20f8b 100644
--- a/end-to-end-tests/fixtures/extensionBase.ts
+++ b/end-to-end-tests/fixtures/extensionBase.ts
@@ -29,6 +29,8 @@ import {
 } from "./utils";
 import { ModsPage } from "../pageObjects/extensionConsole/modsPage";
 import { test as envSetup } from "./envSetup";
+import v8toIstanbul from "v8-to-istanbul";
+import { v4 } from "uuid";
 
 // This environment variable is used to attach the browser sidepanel window that opens automatically to Playwright.
 // See https://github.com/microsoft/playwright/issues/26693
@@ -38,6 +40,16 @@ process.env.PW_CHROMIUM_ATTACH_TO_OTHER = "1";
 // See https://playwright.dev/docs/service-workers-experimental
 process.env.PW_EXPERIMENTAL_SERVICE_WORKER_NETWORK_EVENTS = "1";
 
+const coverageDirectory = path.join(__dirname, "../.output/coverage");
+
+const collectCoverage = async (coverageJSON: string) => {
+  if (coverageJSON)
+    await fs.writeFile(
+      `${coverageDirectory}/playwright_coverage_${v4()}.json`,
+      coverageJSON,
+    );
+};
+
 export const test = mergeTests(
   envSetup,
   base.extend<
@@ -83,6 +95,10 @@ export const test = mergeTests(
         recursive: true,
       });
 
+      await fs.mkdir(coverageDirectory, {
+        recursive: true,
+      });
+
       const context = await launchPersistentContextWithExtension(
         chromiumChannel,
         temporaryProfileDirectory,
@@ -94,12 +110,20 @@ export const test = mergeTests(
     async page({ context, extensionId }, use) {
       // Re-use the initial context page if it exists
       const page = context.pages()[0] || (await context.newPage());
+      await page.coverage.startJSCoverage();
 
       // Start off test from the extension console, and ensure it is done loading
       const modsPage = new ModsPage(page, extensionId);
       await modsPage.goto();
 
       await use(page);
+      const coverage = await page.coverage.stopJSCoverage();
+      for (const entry of coverage) {
+        const converter = v8toIstanbul("", 0, { source: entry.source });
+        await converter.load();
+        converter.applyCoverage(entry.functions);
+        await collectCoverage(JSON.stringify(converter.toIstanbul()));
+      }
       // The page is closed by the context fixture `.close` cleanup step
     },
     async extensionId({ context }, use) {
diff --git a/package-lock.json b/package-lock.json
index 6ce0bbe78a..bff1647b3d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -264,6 +264,7 @@
         "type-fest": "^4.18.0",
         "typescript": "^5.4.5",
         "typescript-plugin-css-modules": "^5.1.0",
+        "v8-to-istanbul": "^9.2.0",
         "webpack": "^5.91.0",
         "webpack-build-notifier": "^2.3.0",
         "webpack-bundle-analyzer": "^4.10.2",
@@ -28679,18 +28680,25 @@
       }
     },
     "node_modules/v8-to-istanbul": {
-      "version": "9.0.1",
-      "integrity": "sha512-74Y4LqY74kLE6IFyIjPtkSTWzUZmj8tdHT9Ii/26dvQ6K9Dl2NbEfj0XgU2sHCtKgt5VupqhlO/5aWuqS+IY1w==",
+      "version": "9.2.0",
+      "resolved": "https://registry.npmjs.org/v8-to-istanbul/-/v8-to-istanbul-9.2.0.tgz",
+      "integrity": "sha512-/EH/sDgxU2eGxajKdwLCDmQ4FWq+kpi3uCmBGpw1xJtnAxEjlD8j8PEiGWpCIMIs3ciNAgH0d3TTJiUkYzyZjA==",
       "dev": true,
       "dependencies": {
         "@jridgewell/trace-mapping": "^0.3.12",
         "@types/istanbul-lib-coverage": "^2.0.1",
-        "convert-source-map": "^1.6.0"
+        "convert-source-map": "^2.0.0"
       },
       "engines": {
         "node": ">=10.12.0"
       }
     },
+    "node_modules/v8-to-istanbul/node_modules/convert-source-map": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-2.0.0.tgz",
+      "integrity": "sha512-Kvp459HrV2FEJ1CAsi1Ku+MY3kasH19TFykTz2xWmMeq6bk2NU3XXvfJ+Q61m0xktWwt+1HSYf3JZsTms3aRJg==",
+      "dev": true
+    },
     "node_modules/validate-npm-package-license": {
       "version": "3.0.4",
       "integrity": "sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==",
diff --git a/package.json b/package.json
index 0da551a9d5..79327cfa52 100644
--- a/package.json
+++ b/package.json
@@ -290,6 +290,7 @@
     "type-fest": "^4.18.0",
     "typescript": "^5.4.5",
     "typescript-plugin-css-modules": "^5.1.0",
+    "v8-to-istanbul": "^9.2.0",
     "webpack": "^5.91.0",
     "webpack-build-notifier": "^2.3.0",
     "webpack-bundle-analyzer": "^4.10.2",