diff --git a/.github/workflows/deploy_pages.yaml b/.github/workflows/deploy_pages.yaml
new file mode 100644
index 0000000..e0c2034
--- /dev/null
+++ b/.github/workflows/deploy_pages.yaml
@@ -0,0 +1,53 @@
+# Publish the GitHub Pages site for this repo.
+
+name: "Deploy Pages"
+
+on:
+  # Run on pushes to the default branch.
+  push:
+    branches: [ main ]
+    paths:
+      - '.github/workflows/deploy_pages.yaml'
+      - 'pkgs/markdown/**'
+
+jobs:
+  deploy:
+    permissions:
+      contents: read
+      pages: write
+      id-token: write
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{steps.deployment.outputs.page_url}}
+
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
+      - uses: dart-lang/setup-dart@e630b99d28a3b71860378cafdc2a067c71107f94
+      
+      # Build the markdown playground.
+      - name: "markdown: pub get"
+        run: dart pub get
+        working-directory: pkgs/markdown
+      - name: "markdown: build playground"
+        run: >
+          dart compile js -o example/app.dart.js
+          --minify --no-frequency-based-minification --no-source-maps
+          example/app.dart
+        working-directory: pkgs/markdown/example
+
+      # Create the _site directory.
+      - run: mkdir _site
+      - run: cp -r pkgs/markdown/example _site/markdown
+      - run: rm _site/markdown/*.dart
+
+      # Deploy to GitHub Pages.
+      - name: setup pages
+        uses: actions/configure-pages@v5
+      - name: upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: _site
+      - name: deploy to github pages
+        id: deployment
+        uses: actions/deploy-pages@v4
diff --git a/.github/workflows/markdown.yaml b/.github/workflows/markdown.yaml
index 59654b7..5b4e569 100644
--- a/.github/workflows/markdown.yaml
+++ b/.github/workflows/markdown.yaml
@@ -18,12 +18,10 @@
 env:
   PUB_ENVIRONMENT: bot.github
 
-
 defaults:
   run:
     working-directory: pkgs/markdown/
 
-
 jobs:
   # Check code formatting and static analysis on a single OS (linux)
   # against Dart dev.
@@ -48,6 +46,21 @@
         run: dart analyze --fatal-infos
         if: always() && steps.install.outcome == 'success'
 
+  # Ensure the markdown playground builds.
+  build-playground:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        sdk: [stable]
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
+      - uses: dart-lang/setup-dart@e630b99d28a3b71860378cafdc2a067c71107f94
+        with:
+          sdk: ${{ matrix.sdk }}
+      - run: dart pub get
+      - run: dart compile js -o example/app.dart.js example/app.dart
+
   # Run tests on a matrix consisting of two dimensions:
   # 1. OS: ubuntu-latest, (macos-latest, windows-latest)
   # 2. release channel: dev
diff --git a/.github/workflows/markdown_crash_test.yaml b/.github/workflows/markdown_crash_test.yaml
index 1a00047..6e7aad2 100644
--- a/.github/workflows/markdown_crash_test.yaml
+++ b/.github/workflows/markdown_crash_test.yaml
@@ -1,5 +1,5 @@
-# Run against all markdown files in latest version of packages on pub.dev to
-# see if any can provoke a crash
+# Run against all markdown files in the latest version of packages on pub.dev
+# to see if any can provoke a crash.
 
 name: "package:markdown: crash tests"
 
diff --git a/.gitignore b/.gitignore
index 4fe7cd5..d92c880 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 # https://dart.dev/tools/pub/private-files
 .dart_tool
 pubspec.lock
+_site/
diff --git a/pkgs/markdown/.gitignore b/pkgs/markdown/.gitignore
index 6ff0be3..a48b1c4 100644
--- a/pkgs/markdown/.gitignore
+++ b/pkgs/markdown/.gitignore
@@ -3,3 +3,7 @@
 .pub
 pubspec.lock
 doc/
+
+example/app.dart.js
+example/app.dart.js.deps
+example/app.dart.js.map
diff --git a/pkgs/markdown/CHANGELOG.md b/pkgs/markdown/CHANGELOG.md
index 5f9f48a..4b20f92 100644
--- a/pkgs/markdown/CHANGELOG.md
+++ b/pkgs/markdown/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 7.3.1-wip
+
+* Update the README link to the markdown playground
+  (https://dart-lang.github.io/tools).
+
 ## 7.3.0
 
 * Move to `dart-lang/tools` monorepo.
diff --git a/pkgs/markdown/README.md b/pkgs/markdown/README.md
index 3b87484..5642563 100644
--- a/pkgs/markdown/README.md
+++ b/pkgs/markdown/README.md
@@ -2,11 +2,11 @@
 [![pub package](https://img.shields.io/pub/v/markdown.svg)](https://pub.dev/packages/markdown)
 [![package publisher](https://img.shields.io/pub/publisher/markdown.svg)](https://pub.dev/packages/markdown/publisher)
 
-A portable Markdown library written in Dart. It can parse Markdown into
-HTML on both the client and server.
+A portable Markdown library written in Dart. It can parse Markdown into HTML on
+both the client and server.
 
 Play with it at
-[dart-lang.github.io/markdown](https://dart-lang.github.io/markdown).
+[dart-lang.github.io/tools/markdown](https://dart-lang.github.io/tools/markdown).
 
 ### Usage
 
diff --git a/pkgs/markdown/lib/src/version.dart b/pkgs/markdown/lib/src/version.dart
index 1e5327e..bd14228 100644
--- a/pkgs/markdown/lib/src/version.dart
+++ b/pkgs/markdown/lib/src/version.dart
@@ -1,2 +1,2 @@
 // Generated code. Do not modify.
-const packageVersion = '7.3.0';
+const packageVersion = '7.3.1-wip';
diff --git a/pkgs/markdown/pubspec.yaml b/pkgs/markdown/pubspec.yaml
index fadd44f..4f0c0d3 100644
--- a/pkgs/markdown/pubspec.yaml
+++ b/pkgs/markdown/pubspec.yaml
@@ -1,5 +1,5 @@
 name: markdown
-version: 7.3.0
+version: 7.3.1-wip
 description: >-
   A portable Markdown library written in Dart that can parse Markdown into HTML.
 repository: https://github.com/dart-lang/tools/tree/main/pkgs/markdown