diff --git a/.github/workflows/deno.yml b/.github/workflows/deno.yml
deleted file mode 100644
index deff90e..0000000
--- a/.github/workflows/deno.yml
+++ /dev/null
@@ -1,32 +0,0 @@
-name: Deno CI
-
-on:
-  push:
-    branches: [main]
-  pull_request:
-    branches: [main]
-  workflow_dispatch:
-
-jobs:
-  test:
-    runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-        deno-version: ["v1.x"]
-
-    steps:
-      - name: Git Checkout Deno Module
-        uses: actions/checkout@v4
-      - name: Use Deno Version ${{ matrix.deno-version }}
-        uses: denoland/setup-deno@v1
-        with:
-          deno-version: ${{ matrix.deno-version }}
-      - name: Test Deno Formatting
-        run: deno fmt --check
-      - name: Test Deno Linting
-        run: deno lint
-      - name: Test Deno Module
-        run: deno test
-      - name: Build npm module
-        run: deno task build
\ No newline at end of file
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..5dc2dd5
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,21 @@
+on: 
+  push:
+    branches: [main, dev]
+  pull_request:
+    branches: [main, dev]
+
+jobs:
+  deno_ci:
+    uses: cross-org/workflows/.github/workflows/deno-ci.yml@main
+    with:
+      entrypoint: src/base64.ts
+      lint_docs: false
+  bun_ci:
+    uses: cross-org/workflows/.github/workflows/bun-ci.yml@main
+    with:
+      jsr_dependencies: "@cross/test @std/assert"
+  node_ci:
+    uses: cross-org/workflows/.github/workflows/node-ci.yml@main
+    with:
+      test_target: "test/*.test.ts"
+      jsr_dependencies: "@cross/test @std/assert"
\ No newline at end of file
diff --git a/deno.json b/deno.json
index 1dbf157..b55bf56 100644
--- a/deno.json
+++ b/deno.json
@@ -23,6 +23,8 @@
   },
   "imports": {
     "@cross/fs": "jsr:@cross/fs@^0.1.11",
+    "@cross/test": "jsr:@cross/test@^0.0.9",
+    "@std/assert": "jsr:@std/assert@^1.0.6",
     "@std/path": "jsr:@std/path@^1.0.6",
     "esbuild": "npm:esbuild@^0.24.0",
     "esbuild-plugin-d.ts": "npm:esbuild-plugin-d.ts@^1.3.0"
diff --git a/tests/base64.test.ts b/tests/base64.test.ts
index 65155d0..3fd975b 100644
--- a/tests/base64.test.ts
+++ b/tests/base64.test.ts
@@ -1,58 +1,60 @@
-import { assertEquals } from "jsr:@std/assert@1.0.2";
+import { assertEquals } from "@std/assert";
+import { test } from "@cross/test";
+
 import { base64 } from "../src/base64.ts";
 
-Deno.test("Encode 'Hello world'", function () {
+test("Encode 'Hello world'", function () {
   const result = base64.fromString("Hello world");
   assertEquals(result, "SGVsbG8gd29ybGQ=");
 });
 
-Deno.test("Decode 'Hello world'", function () {
+test("Decode 'Hello world'", function () {
   const result = base64.toString("SGVsbG8gd29ybGQ=");
   assertEquals(result, "Hello world");
 });
 
 // Basic string base64url
-Deno.test("Encode 'Hello world' in base64url mode", function () {
+test("Encode 'Hello world' in base64url mode", function () {
   const result = base64.fromString("Hello world", true);
   assertEquals(result, "SGVsbG8gd29ybGQ");
 });
 
-Deno.test("Decode 'Hello world' in base64url mode", function () {
+test("Decode 'Hello world' in base64url mode", function () {
   const result = base64.toString("SGVsbG8gd29ybGQ", true);
   assertEquals(result, "Hello world");
 });
 
 // UTF-8 string
-Deno.test("Encode 'ɸåäd' in base64url mode", function () {
+test("Encode 'ɸåäd' in base64url mode", function () {
   const result = base64.fromString("ɸåäd");
   assertEquals(result, "ybjDpcOkZA==");
 });
 
-Deno.test("Decode 'ɸåäd' in base64url mode", function () {
+test("Decode 'ɸåäd' in base64url mode", function () {
   const result = base64.toString("ybjDpcOkZA==");
   assertEquals(result, "ɸåäd");
 });
 
 // UTF-8 string url mode
-Deno.test("Encode 'ɸåäd' in base64url mode", function () {
+test("Encode 'ɸåäd' in base64url mode", function () {
   const result = base64.fromString("ɸåäd", true);
   assertEquals(result, "ybjDpcOkZA");
 });
 
-Deno.test("Decode 'ɸåäd' in base64url mode", function () {
+test("Decode 'ɸåäd' in base64url mode", function () {
   const result = base64.toString("ybjDpcOkZA", true);
   assertEquals(result, "ɸåäd");
 });
 
 // ArrayBuffer base64
-Deno.test("Encode array buffer", function () {
+test("Encode array buffer", function () {
   const result = base64.fromArrayBuffer(
     Uint8Array.from([0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8]).buffer,
   );
   assertEquals(result, "AAECAwQFBgcI");
 });
 
-Deno.test("Decode array buffer", function () {
+test("Decode array buffer", function () {
   const result = base64.toArrayBuffer("AAECAwQFBgcI");
   assertEquals(
     result,
@@ -61,7 +63,7 @@ Deno.test("Decode array buffer", function () {
 });
 
 // Validate
-Deno.test("AAECAwQFBgcI is valid base64 and base64url", function () {
+test("AAECAwQFBgcI is valid base64 and base64url", function () {
   const resultNormal = base64.validate("AAECAwQFBgcI"),
     resultUrl = base64.validate("AAECAwQFBgcI", true);
 
@@ -69,7 +71,7 @@ Deno.test("AAECAwQFBgcI is valid base64 and base64url", function () {
   assertEquals(resultUrl, true);
 });
 
-Deno.test("SGVsbG8gd29ybGQ= is valid base64 but not base64url", function () {
+test("SGVsbG8gd29ybGQ= is valid base64 but not base64url", function () {
   const resultNormal = base64.validate("SGVsbG8gd29ybGQ="),
     resultUrl = base64.validate("SGVsbG8gd29ybGQ=", true);
 
@@ -77,14 +79,14 @@ Deno.test("SGVsbG8gd29ybGQ= is valid base64 but not base64url", function () {
   assertEquals(resultUrl, false);
 });
 
-Deno.test("PDw/Pz8+Pg== is valid base64 but not base64url", function () {
+test("PDw/Pz8+Pg== is valid base64 but not base64url", function () {
   const resultNormal = base64.validate("PDw/Pz8+Pg=="),
     resultUrl = base64.validate("PDw/Pz8+Pg==", true);
   assertEquals(resultNormal, true);
   assertEquals(resultUrl, false);
 });
 
-Deno.test("c3ViamVjdHM_X2Q9MQ is valid base64 but not base64url", function () {
+test("c3ViamVjdHM_X2Q9MQ is valid base64 but not base64url", function () {
   const resultNormal = base64.validate("c3ViamVjdHM_X2Q9MQ"),
     resultUrl = base64.validate("c3ViamVjdHM_X2Q9MQ", true);
 
@@ -92,7 +94,7 @@ Deno.test("c3ViamVjdHM_X2Q9MQ is valid base64 but not base64url", function () {
   assertEquals(resultUrl, true);
 });
 
-Deno.test("c3ViamVjdHM_+X2Q9MQ is neither base64 nor base64url", function () {
+test("c3ViamVjdHM_+X2Q9MQ is neither base64 nor base64url", function () {
   const resultNormal = base64.validate("c3ViamVjdHM_+X2Q9MQ"),
     resultUrl = base64.validate("c3ViamVjdHM_+X2Q9MQ", true);