diff --git a/web/.github/workflows/prettier.yml b/web/.github/workflows/prettier.yml
new file mode 100644
index 000000000..22bc9db46
--- /dev/null
+++ b/web/.github/workflows/prettier.yml
@@ -0,0 +1,29 @@
+name: Format code
+
+# This action works with pull requests and pushes
+on:
+  pull_request:
+  push:
+    branches:
+    - master
+
+jobs:
+  prettier:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+      with:
+        # Make sure the actual branch is checked out when running on pull requests
+        ref: ${{ github.head_ref }}
+        fetch-depth: 0
+
+    - name: Prettify code
+      uses: creyD/prettier_action@v3.1
+      with:
+        # This part is also where you can pass other options, for example:
+        prettier_options: --write **/*.{js,tsx,jsx}
+        only_changed: true
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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