diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 0000000..76a7a1c
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1 @@
+pouchdb-browser.js
diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 0000000..47c72d4
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,6 @@
+{
+  "trailingComma": "es5",
+  "tabWidth": 4,
+  "printWidth": 120,
+  "semi": true
+}
diff --git a/package-lock.json b/package-lock.json
index c985fc1..84f1628 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -58,6 +58,7 @@
                 "pouchdb-merge": "^9.0.0",
                 "pouchdb-replication": "^9.0.0",
                 "pouchdb-utils": "^9.0.0",
+                "prettier": "^3.3.3",
                 "svelte": "^4.2.19",
                 "svelte-preprocess": "^6.0.2",
                 "terser": "^5.31.6",
@@ -5690,6 +5691,22 @@
                 "node": ">= 0.8.0"
             }
         },
+        "node_modules/prettier": {
+            "version": "3.3.3",
+            "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.3.3.tgz",
+            "integrity": "sha512-i2tDNA0O5IrMO757lfrdQZCc2jPNDVntV0m/+4whiDfWaTKfMNgR7Qz0NAeGz/nRqF4m5/6CLzbP4/liHt12Ew==",
+            "dev": true,
+            "license": "MIT",
+            "bin": {
+                "prettier": "bin/prettier.cjs"
+            },
+            "engines": {
+                "node": ">=14"
+            },
+            "funding": {
+                "url": "https://github.com/prettier/prettier?sponsor=1"
+            }
+        },
         "node_modules/psl": {
             "version": "1.9.0",
             "resolved": "https://registry.npmjs.org/psl/-/psl-1.9.0.tgz",
@@ -10787,6 +10804,12 @@
             "integrity": "sha512-vkcDPrRZo1QZLbn5RLGPpg/WmIQ65qoWWhcGKf/b5eplkkarX0m9z8ppCat4mlOqUsWpyNuYgO3VRyrYHSzX5g==",
             "dev": true
         },
+        "prettier": {
+            "version": "3.3.3",
+            "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.3.3.tgz",
+            "integrity": "sha512-i2tDNA0O5IrMO757lfrdQZCc2jPNDVntV0m/+4whiDfWaTKfMNgR7Qz0NAeGz/nRqF4m5/6CLzbP4/liHt12Ew==",
+            "dev": true
+        },
         "psl": {
             "version": "1.9.0",
             "resolved": "https://registry.npmjs.org/psl/-/psl-1.9.0.tgz",
diff --git a/package.json b/package.json
index 42ce09c..a96dacb 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,9 @@
         "lint": "eslint src",
         "svelte-check": "svelte-check --tsconfig ./tsconfig.json",
         "tsc-check": "tsc --noEmit",
+        "pretty": "npm run prettyNoWrite -- --write --log-level error",
+        "prettyCheck": "npm run prettyNoWrite -- --check",
+        "prettyNoWrite": "prettier --config ./.prettierrc \"**/*.js\" \"**/*.ts\"",
         "check": "npm run lint && npm run svelte-check && npm run tsc-check"
     },
     "keywords": [],
@@ -51,6 +54,7 @@
         "pouchdb-merge": "^9.0.0",
         "pouchdb-replication": "^9.0.0",
         "pouchdb-utils": "^9.0.0",
+        "prettier": "^3.3.3",
         "svelte": "^4.2.19",
         "svelte-preprocess": "^6.0.2",
         "terser": "^5.31.6",