diff --git a/.github/workflows/bindings_ci.yml b/.github/workflows/bindings_ci.yml
index 155f82439..c468b6755 100644
--- a/.github/workflows/bindings_ci.yml
+++ b/.github/workflows/bindings_ci.yml
@@ -75,6 +75,34 @@ jobs:
       - name: Build library & generate bindings
         run: target/debug/xtask ci bindings
 
+  lint-js-bindings:
+    strategy:
+      fail-fast: true
+      matrix:
+        include:
+          - name: "[m]-crypto-nodejs"
+            path: "bindings/matrix-sdk-crypto-nodejs"
+          - name: "[m]-crypto-js"
+            path: "bindings/matrix-sdk-crypto-js"
+
+    name: lint ${{ matrix.name }}
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@v3
+
+      - name: Install Node.js
+        uses: actions/setup-node@v3
+
+      - name: Install NPM dependencies
+        working-directory: ${{ matrix.path }}
+        run: npm install
+
+      - name: run lint
+        working-directory: ${{ matrix.path }}
+        run: npm run lint
+
   test-matrix-sdk-crypto-nodejs:
     name: ${{ matrix.os-name }} [m]-crypto-nodejs, v${{ matrix.node-version }}
     if: github.event_name == 'push' || !github.event.pull_request.draft
diff --git a/bindings/matrix-sdk-crypto-js/.prettierignore b/bindings/matrix-sdk-crypto-js/.prettierignore
new file mode 100644
index 000000000..fc5bd9083
--- /dev/null
+++ b/bindings/matrix-sdk-crypto-js/.prettierignore
@@ -0,0 +1 @@
+/pkg
diff --git a/bindings/matrix-sdk-crypto-js/.prettierrc.js b/bindings/matrix-sdk-crypto-js/.prettierrc.js
new file mode 100644
index 000000000..f739c10be
--- /dev/null
+++ b/bindings/matrix-sdk-crypto-js/.prettierrc.js
@@ -0,0 +1,9 @@
+// prettier configuration: the same as the conventions used throughout Matrix.org
+// see: https://github.com/matrix-org/eslint-plugin-matrix-org/blob/main/.prettierrc.js
+
+module.exports = {
+    printWidth: 120,
+    tabWidth: 4,
+    quoteProps: "consistent",
+    trailingComma: "all",
+};
diff --git a/bindings/matrix-sdk-crypto-js/package.json b/bindings/matrix-sdk-crypto-js/package.json
index a31524259..b5724c0bc 100644
--- a/bindings/matrix-sdk-crypto-js/package.json
+++ b/bindings/matrix-sdk-crypto-js/package.json
@@ -30,6 +30,7 @@
         "cross-env": "^7.0.3",
         "fake-indexeddb": "^4.0",
         "jest": "^28.1.0",
+        "prettier": "^2.8.3",
         "typedoc": "^0.22.17",
         "wasm-pack": "^0.10.2",
         "yargs-parser": "~21.0.1"
@@ -38,6 +39,7 @@
         "node": ">= 10"
     },
     "scripts": {
+        "lint": "prettier --check .",
         "build": "./scripts/build.sh",
         "test": "jest --verbose",
         "doc": "typedoc --tsconfig .",
diff --git a/bindings/matrix-sdk-crypto-nodejs/.prettierignore b/bindings/matrix-sdk-crypto-nodejs/.prettierignore
new file mode 100644
index 000000000..fc5bd9083
--- /dev/null
+++ b/bindings/matrix-sdk-crypto-nodejs/.prettierignore
@@ -0,0 +1 @@
+/pkg
diff --git a/bindings/matrix-sdk-crypto-nodejs/.prettierrc.js b/bindings/matrix-sdk-crypto-nodejs/.prettierrc.js
new file mode 100644
index 000000000..f739c10be
--- /dev/null
+++ b/bindings/matrix-sdk-crypto-nodejs/.prettierrc.js
@@ -0,0 +1,9 @@
+// prettier configuration: the same as the conventions used throughout Matrix.org
+// see: https://github.com/matrix-org/eslint-plugin-matrix-org/blob/main/.prettierrc.js
+
+module.exports = {
+    printWidth: 120,
+    tabWidth: 4,
+    quoteProps: "consistent",
+    trailingComma: "all",
+};
diff --git a/bindings/matrix-sdk-crypto-nodejs/package.json b/bindings/matrix-sdk-crypto-nodejs/package.json
index d858158e2..e7e3ed1fe 100644
--- a/bindings/matrix-sdk-crypto-nodejs/package.json
+++ b/bindings/matrix-sdk-crypto-nodejs/package.json
@@ -15,6 +15,7 @@
     "devDependencies": {
         "@napi-rs/cli": "^2.9.0",
         "jest": "^28.1.0",
+        "prettier": "^2.8.3",
         "typedoc": "^0.22.17",
         "yargs-parser": "~21.0.1"
     },
@@ -22,6 +23,7 @@
         "node": ">= 14"
     },
     "scripts": {
+        "lint": "prettier --check .",
         "release-build": "napi build --platform --release --strip",
         "build": "napi build --platform",
         "postinstall": "node download-lib.js",