diff --git a/.eslintrc.json b/.eslintrc.json
index 9ed7dba4..efa7ef14 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -4,11 +4,14 @@
     "es2021": true,
     "jquery": true
   },
-  "extends": ["standard"],
+  "extends": [
+    "standard",
+    "prettier"
+  ],
   "parserOptions": {
     "ecmaVersion": 12
   },
   "rules": {
-    "no-var": 0
+    "no-var": "off"
   }
 }
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index ab6ec0bd..e8c6dc49 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -89,6 +89,14 @@ repos:
     exclude: 'configs/disqus-comments\.ini'
     args: [--autofix]
 
+# Format JavaScript with Prettier
+- repo: https://github.com/pre-commit/mirrors-prettier
+  rev: v3.0.3
+  hooks:
+  - id: prettier
+    name: Format JavaScript (Prettier)
+    types: [javascript]
+
 # Lint and fix JavaScript
 - repo: https://github.com/eslint/eslint
   rev: v8.52.0
@@ -98,6 +106,7 @@ repos:
     args: [--fix, --max-warnings, '0', --color --report-unused-disable-directives]
     additional_dependencies:
     - 'eslint-config-standard@17.1.0'
+    - 'eslint-config-prettier@v9.0.0'
     - 'eslint-plugin-import@2.29.0'
     - 'eslint-plugin-n@16.2.0'
     - 'eslint-plugin-promise@6.1.1'
diff --git a/.prettierrc.yaml b/.prettierrc.yaml
index 6a1d121c..33f7c6d9 100644
--- a/.prettierrc.yaml
+++ b/.prettierrc.yaml
@@ -1,7 +1,12 @@
 # Configuration file for Prettier
 
+printWidth: 120
 tabWidth: 2
 useTabs: false
+semi: false
+trailingComma: 'none'
+bracketSpacing: false
+arrowParens: 'always'
 proseWrap: 'preserve'
 endOfLine: 'lf'
 singleAttributePerLine: false
@@ -10,3 +15,6 @@ overrides:
 - files: '*.css'
   options:
     singleQuote: false
+- files: '*.js'
+  options:
+    singleQuote: true
diff --git a/assets/static/js/custom_scripts.js b/assets/static/js/custom_scripts.js
index b8b144e1..d651d79c 100644
--- a/assets/static/js/custom_scripts.js
+++ b/assets/static/js/custom_scripts.js
@@ -30,41 +30,44 @@
   /* Helper functions */
 
   // Get the key corresponding to the current desktop operating system
-  function getOSName () {
+  function getOSName() {
     var platform = navigator.platform
     if (!platform) {
       return 'other'
-    };
+    }
     if (platform.indexOf('Win') === 0) {
       return 'win'
-    };
+    }
     if (platform.indexOf('Mac') === 0) {
       return 'mac'
-    };
-    if ((platform.indexOf('Linux') === 0 || platform.indexOf('X11') === 0) &&
-          !platform.match(/android/i) && !navigator.userAgent.match(/android/i)) {
+    }
+    if (
+      (platform.indexOf('Linux') === 0 || platform.indexOf('X11') === 0) &&
+      !platform.match(/android/i) &&
+      !navigator.userAgent.match(/android/i)
+    ) {
       return 'linux'
-    };
+    }
     return 'other'
-  };
+  }
 
   // Get the button data corresponding to the current OS
-  function getButtonData () {
+  function getButtonData() {
     var osName = getOSName()
     return buttonData[osName]
-  };
+  }
 
   /* Main functions */
 
   // Setup download button based on current OS
-  function setupDownloadButton (downloadButton) {
+  function setupDownloadButton(downloadButton) {
     var buttonData = getButtonData()
     downloadButton.href = buttonData.url
     downloadButton.getElementsByClassName('download-text')[0].textContent = buttonData.text
     for (var i = 0; i < buttonData.icon.length; i++) {
       downloadButton.getElementsByClassName('download-os-icon')[0].classList.add(buttonData.icon[i])
-    };
-  };
+    }
+  }
 
   /* Fire events */
 
@@ -73,6 +76,6 @@
     var downloadButton = document.getElementById('download-button-button')
     if (downloadButton) {
       setupDownloadButton(downloadButton)
-    };
+    }
   })
-}())
+})()