diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..eb1d907
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,34 @@
+name: Release
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  build-and-release:
+    runs-on: macos-15
+    env:
+      DEVELOPER_DIR: "/Applications/Xcode_16.2.app/Contents/Developer"
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v6
+
+      - name: Run tests
+        run: make test
+
+      - name: Build universal binary
+        run: make build-universal
+
+      - name: Get release tag
+        run: echo "TAG_NAME=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
+
+      - name: Create artifact bundle
+        run: ./Scripts/release-artifactbundle.sh "${{ env.TAG_NAME }}"
+
+      - name: Upload release assets
+        uses: softprops/action-gh-release@v2
+        with:
+          files: |
+            xpbc-macos.artifactbundle.zip
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..4d19440
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,19 @@
+name: Test
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+jobs:
+  test:
+    runs-on: macos-15
+    env:
+      DEVELOPER_DIR: "/Applications/Xcode_16.2.app/Contents/Developer"
+    steps:
+      - uses: actions/checkout@v6
+      - name: Run tests
+        run: make test
+      - name: Release build (universal)
+        run: make build-universal
diff --git a/Makefile b/Makefile
index 2a47c4d..f9dc823 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,13 @@
 PREFIX ?= /usr/local
 
-.PHONY: build install test clean
+.PHONY: build build-universal install test clean
 
 build:
 	swift build -c release
 
+build-universal:
+	swift build -c release --arch arm64 --arch x86_64
+
 install: build
 	install -d $(PREFIX)/bin
 	install .build/release/xpbc $(PREFIX)/bin/xpbc
diff --git a/README.md b/README.md
index 04cfb83..70ed3bf 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # xpbc
 
+[![Test](https://github.com/chigichan24/xpbc/actions/workflows/test.yml/badge.svg)](https://github.com/chigichan24/xpbc/actions/workflows/test.yml)
+
 **eXtended PasteBoard Copy** — a drop-in enhancement for macOS `pbcopy` that supports images.
 
 `pbcopy` only handles text. `xpbc` automatically detects whether stdin contains image data and copies it to the clipboard as an image. For plain text, it behaves exactly like `pbcopy`.
@@ -18,6 +20,19 @@ echo "hello" | xpbc
 
 ## Installation
 
+### Pre-built binary
+
+Download the latest universal binary (arm64 + x86_64) from [Releases](https://github.com/chigichan24/xpbc/releases):
+
+```sh
+# Download and extract
+curl -LO https://github.com/chigichan24/xpbc/releases/latest/download/xpbc-macos.artifactbundle.zip
+unzip xpbc-macos.artifactbundle.zip
+
+# Copy to your PATH
+cp xpbc.artifactbundle/xpbc-*/bin/xpbc /usr/local/bin/
+```
+
 ### From source
 
 Requires Swift 6.0+ and macOS 13+.
@@ -34,13 +49,6 @@ This installs the binary to `/usr/local/bin`. To change the install location:
 make install PREFIX=~/.local
 ```
 
-### Manual
-
-```sh
-swift build -c release
-cp .build/release/xpbc /usr/local/bin/
-```
-
 ## Usage
 
 ```
@@ -101,9 +109,10 @@ Anything that doesn't match a known image signature is copied as text.
 ## Building & Testing
 
 ```sh
-make build    # Release build
-make test     # Run tests
-make clean    # Clean build artifacts
+make build            # Release build (host architecture)
+make build-universal  # Release build (arm64 + x86_64)
+make test             # Run tests
+make clean            # Clean build artifacts
 ```
 
 ## Security
diff --git a/Scripts/info.json b/Scripts/info.json
new file mode 100644
index 0000000..38da179
--- /dev/null
+++ b/Scripts/info.json
@@ -0,0 +1,18 @@
+{
+  "schemaVersion": "1.0",
+  "artifacts": {
+    "xpbc": {
+      "version": "__VERSION__",
+      "type": "executable",
+      "variants": [
+        {
+          "path": "xpbc-__VERSION__-macos/bin",
+          "supportedTriples": [
+            "arm64-apple-macosx",
+            "x86_64-apple-macosx"
+          ]
+        }
+      ]
+    }
+  }
+}
diff --git a/Scripts/release-artifactbundle.sh b/Scripts/release-artifactbundle.sh
new file mode 100755
index 0000000..b48f33c
--- /dev/null
+++ b/Scripts/release-artifactbundle.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+set -euo pipefail
+
+VERSION_STRING="$1"
+
+mkdir -p "xpbc.artifactbundle/xpbc-$VERSION_STRING-macos/bin"
+
+sed "s/__VERSION__/$VERSION_STRING/g" ./Scripts/info.json > "xpbc.artifactbundle/info.json"
+
+cp -f "./.build/apple/Products/Release/xpbc" "xpbc.artifactbundle/xpbc-$VERSION_STRING-macos/bin"
+
+zip -yr - "xpbc.artifactbundle" > "./xpbc-macos.artifactbundle.zip"