diff --git a/.github/workflows/playwrightTests.yml b/.github/workflows/playwrightTests.yml
new file mode 100644
index 0000000..97898b9
--- /dev/null
+++ b/.github/workflows/playwrightTests.yml
@@ -0,0 +1,16 @@
+name: Playwright Tests
+on: [pull_request]
+jobs:
+  playwright:
+    name: "Playwright e2e Tests"
+    runs-on: ubuntu-latest
+    container:
+      image: mcr.microsoft.com/playwright:v1.43.0-jammy
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 18
+      - run: yarn install
+      - run: yarn build
+      - run: yarn test:e2e:ci
diff --git a/@stellar/typescript-wallet-sdk/jest.e2e.config.js b/@stellar/typescript-wallet-sdk/jest.e2e.config.js
new file mode 100644
index 0000000..ea8b056
--- /dev/null
+++ b/@stellar/typescript-wallet-sdk/jest.e2e.config.js
@@ -0,0 +1,9 @@
+module.exports = {
+  rootDir: "./",
+  preset: "ts-jest",
+  transform: {
+    "^.+\\.(ts|tsx)?$": "ts-jest",
+    "^.+\\.(js|jsx)$": "babel-jest",
+  },
+  testMatch: ["**/e2e/*.test.ts"],
+};
diff --git a/@stellar/typescript-wallet-sdk/package.json b/@stellar/typescript-wallet-sdk/package.json
index db16e7d..d9b7a36 100644
--- a/@stellar/typescript-wallet-sdk/package.json
+++ b/@stellar/typescript-wallet-sdk/package.json
@@ -29,6 +29,7 @@
     "jest": "^29.4.1",
     "lint-staged": "^14.0.1",
     "npm-run-all": "^4.1.5",
+    "playwright": "^1.43.1",
     "prettier": "^2.0.5",
     "pretty-quick": "^2.0.1",
     "process": "^0.11.10",
@@ -61,6 +62,7 @@
   "scripts": {
     "test": "jest --watchAll",
     "test:ci": "jest --ci",
+    "test:e2e:ci": "jest --config jest.e2e.config.js --ci",
     "test:recovery:ci": "jest --config jest.integration.config.js recovery.test.ts --ci",
     "test:anchorplatform:ci": "yarn jest --config jest.integration.config.js anchorplatform.test.ts --ci",
     "build:web": "webpack --config webpack.config.js",
diff --git a/@stellar/typescript-wallet-sdk/test/e2e/README.md b/@stellar/typescript-wallet-sdk/test/e2e/README.md
new file mode 100644
index 0000000..19776e8
--- /dev/null
+++ b/@stellar/typescript-wallet-sdk/test/e2e/README.md
@@ -0,0 +1,11 @@
+# How it works
+
+## browser.test.ts
+
+This test uses playwright to load the browser bundle file into a browser
+environment and run its code. If there is a bug in how its built,
+window.WalletSDK will be undefined.
+
+### To run
+
+$ yarn build $ yarn test browser.test.ts
diff --git a/@stellar/typescript-wallet-sdk/test/e2e/browser.test.ts b/@stellar/typescript-wallet-sdk/test/e2e/browser.test.ts
new file mode 100644
index 0000000..62fa754
--- /dev/null
+++ b/@stellar/typescript-wallet-sdk/test/e2e/browser.test.ts
@@ -0,0 +1,52 @@
+import { chromium, webkit } from "playwright";
+
+describe("Test browser build", () => {
+  const browsers = [
+    { name: "Chrome", instance: chromium },
+    { name: "Safari", instance: webkit },
+  ];
+
+  for (const b of browsers) {
+    it(
+      "works on " + b.name,
+      async () => {
+        await (async () => {
+          const browser = await b.instance.launch();
+          const page = await browser.newPage();
+
+          await page.goto("https://stellar.org");
+
+          await page.addScriptTag({
+            path: "./lib/bundle_browser.js",
+          });
+
+          // Use the Stellar SDK in the website's context
+          const result = await page.evaluate(() => {
+            let kp;
+            try {
+              const wal = (window as any).WalletSDK.Wallet.TestNet();
+              const account = wal.stellar().account();
+
+              kp = account.createKeypair();
+            } catch (e) {
+              return { success: false };
+            }
+
+            return {
+              publicKey: kp.publicKey,
+              secretKey: kp.secretKey,
+              success: true,
+            };
+          });
+
+          expect(result.publicKey).toBeTruthy();
+          expect(result.secretKey).toBeTruthy();
+          expect(result.success).toBeTruthy();
+
+          await browser.close();
+        })();
+      },
+      15000,
+    );
+  }
+});
diff --git a/jest.config.js b/jest.config.js
index 9d3582e..94b2794 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -9,7 +9,7 @@ module.exports = {
     {
       displayName: "Wallet SDK",
       roots: ["./@stellar/typescript-wallet-sdk"],
-      testPathIgnorePatterns: ["/node_modules/", "/integration/"],
+      testPathIgnorePatterns: ["/node_modules/", "/integration/", "/e2e/"],
       ...commonConfigs,
     },
     {
diff --git a/package.json b/package.json
index b2834ba..12fef58 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
     "lint": "eslint . --ext .ts",
     "test": "jest --watchAll",
     "test:ci": "jest --ci",
+    "test:e2e:ci": "yarn workspace @stellar/typescript-wallet-sdk test:e2e:ci",
     "test:recovery:ci": "yarn workspace @stellar/typescript-wallet-sdk test:recovery:ci",
     "test:anchorplatform:ci": "yarn workspace @stellar/typescript-wallet-sdk test:anchorplatform:ci",
     "build": "yarn workspace @stellar/typescript-wallet-sdk build && yarn workspace @stellar/typescript-wallet-sdk-km build && yarn workspace @stellar/typescript-wallet-sdk-soroban build"
diff --git a/yarn.lock b/yarn.lock
index 65a5f19..3e6e65e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4527,7 +4527,7 @@ fs.realpath@^1.0.0:
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
   integrity sha512-OO0pH2lK6a0hZnAdau5ItzHPI6pUlvI7jMVnxUQRtw4owF2wk8lOSabtGDCTP4Ggrg2MbGnWO9X8K1t4+fGMDw==
 
-fsevents@^2.3.2:
+fsevents@2.3.2, fsevents@^2.3.2:
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-2.3.2.tgz#8a526f78b8fdf4623b709e0b975c52c24c02fd1a"
   integrity sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==
@@ -6573,6 +6573,20 @@ pkg-dir@^4.2.0:
   dependencies:
     find-up "^4.0.0"
 
+playwright-core@1.43.1:
+  version "1.43.1"
+  resolved "https://registry.yarnpkg.com/playwright-core/-/playwright-core-1.43.1.tgz#0eafef9994c69c02a1a3825a4343e56c99c03b02"
+  integrity sha512-EI36Mto2Vrx6VF7rm708qSnesVQKbxEWvPrfA1IPY6HgczBplDx7ENtx+K2n4kJ41sLLkuGfmb0ZLSSXlDhqPg==
+
+playwright@^1.43.1:
+  version "1.43.1"
+  resolved "https://registry.yarnpkg.com/playwright/-/playwright-1.43.1.tgz#8ad08984ac66c9ef3d0db035be54dd7ec9f1c7d9"
+  integrity sha512-V7SoH0ai2kNt1Md9E3Gwas5B9m8KR2GVvwZnAI6Pg0m3sh7UvgiYhRrhsziCmqMJNouPckiOhk8T+9bSAK0VIA==
+  dependencies:
+    playwright-core "1.43.1"
+  optionalDependencies:
+    fsevents "2.3.2"
+
 prelude-ls@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.2.1.tgz#debc6489d7a6e6b0e7611888cec880337d316396"