diff --git a/src/normalizer.ts b/src/normalizer.ts
index 6ba6c006..29cd8217 100644
--- a/src/normalizer.ts
+++ b/src/normalizer.ts
@@ -145,6 +145,30 @@ rules.set('Transform const to singleton enum', schema => {
   }
 })
 
+rules.set('Transform nullable -> anyOf', schema => {
+  if (schema.nullable === true) {
+    delete schema.nullable
+
+    const copiedSchema = {...schema}
+
+    // This stuff should not be in `anyOf`.
+    delete copiedSchema.id
+    delete copiedSchema.nullable
+
+    // This stuff will be in `anyOf` instead.
+    delete schema.format
+    delete schema.type
+
+    schema.anyOf = [
+      copiedSchema,
+      // @ts-expect-error
+      {
+        type: 'null'
+      }
+    ]
+  }
+})
+
 export function normalize(rootSchema: LinkedJSONSchema, filename: string, options: Options): NormalizedJSONSchema {
   rules.forEach(rule => traverse(rootSchema, schema => rule(schema, filename, options)))
   return rootSchema as NormalizedJSONSchema
diff --git a/test/__snapshots__/test/test.ts.md b/test/__snapshots__/test/test.ts.md
index 7e03a2c8..0232b3c6 100644
--- a/test/__snapshots__/test/test.ts.md
+++ b/test/__snapshots__/test/test.ts.md
@@ -5682,6 +5682,142 @@ Generated by [AVA](https://avajs.dev).
     }␊
     `
 
+## realWorld.jsonschema.js
+
+> Expected output to match snapshot for e2e test: realWorld.jsonschema.js
+
+    `/* tslint:disable */␊
+    /**␊
+     * This file was automatically generated by json-schema-to-typescript.␊
+     * DO NOT MODIFY IT BY HAND. Instead, modify the source JSONSchema file,␊
+     * and run json-schema-to-typescript to regenerate this file.␊
+     */␊
+    ␊
+    export type CoreSchemaMetaSchema = CoreSchemaMetaSchema1 & CoreSchemaMetaSchema2;␊
+    export type NonNegativeInteger = number;␊
+    export type NonNegativeIntegerDefault0 = NonNegativeInteger;␊
+    export type CoreSchemaMetaSchema2 =␊
+      | {␊
+          $id?: string;␊
+          $schema?: string;␊
+          $ref?: string;␊
+          $comment?: string;␊
+          title?: string;␊
+          description?: string;␊
+          default?: true;␊
+          readOnly?: boolean;␊
+          writeOnly?: boolean;␊
+          examples?: true[];␊
+          multipleOf?: number;␊
+          maximum?: number;␊
+          exclusiveMaximum?: number;␊
+          minimum?: number;␊
+          exclusiveMinimum?: number;␊
+          maxLength?: NonNegativeInteger;␊
+          minLength?: NonNegativeIntegerDefault0;␊
+          pattern?: string;␊
+          additionalItems?: CoreSchemaMetaSchema2;␊
+          items?: CoreSchemaMetaSchema2 | SchemaArray;␊
+          maxItems?: NonNegativeInteger;␊
+          minItems?: NonNegativeIntegerDefault0;␊
+          uniqueItems?: boolean;␊
+          contains?: CoreSchemaMetaSchema2;␊
+          maxProperties?: NonNegativeInteger;␊
+          minProperties?: NonNegativeIntegerDefault0;␊
+          required?: StringArray;␊
+          additionalProperties?: CoreSchemaMetaSchema2;␊
+          definitions?: {␊
+            [k: string]: CoreSchemaMetaSchema2;␊
+          };␊
+          properties?: {␊
+            [k: string]: CoreSchemaMetaSchema2;␊
+          };␊
+          patternProperties?: {␊
+            [k: string]: CoreSchemaMetaSchema2;␊
+          };␊
+          dependencies?: {␊
+            [k: string]: CoreSchemaMetaSchema2 | StringArray;␊
+          };␊
+          propertyNames?: CoreSchemaMetaSchema2;␊
+          const?: true;␊
+          enum?: [true, ...unknown[]];␊
+          type?: SimpleTypes | [SimpleTypes, ...SimpleTypes[]];␊
+          format?: string;␊
+          contentMediaType?: string;␊
+          contentEncoding?: string;␊
+          if?: CoreSchemaMetaSchema2;␊
+          then?: CoreSchemaMetaSchema2;␊
+          else?: CoreSchemaMetaSchema2;␊
+          allOf?: SchemaArray;␊
+          anyOf?: SchemaArray;␊
+          oneOf?: SchemaArray;␊
+          not?: CoreSchemaMetaSchema2;␊
+          [k: string]: unknown;␊
+        }␊
+      | boolean;␊
+    export type SchemaArray = [CoreSchemaMetaSchema2, ...CoreSchemaMetaSchema2[]];␊
+    export type StringArray = string[];␊
+    export type SimpleTypes = "array" | "boolean" | "integer" | "null" | "number" | "object" | "string";␊
+    ␊
+    export interface CoreSchemaMetaSchema1 {␊
+      $id?: string;␊
+      $schema?: string;␊
+      $ref?: string;␊
+      $comment?: string;␊
+      title?: string;␊
+      description?: string;␊
+      default?: true;␊
+      readOnly?: boolean;␊
+      writeOnly?: boolean;␊
+      examples?: true[];␊
+      multipleOf?: number;␊
+      maximum?: number;␊
+      exclusiveMaximum?: number;␊
+      minimum?: number;␊
+      exclusiveMinimum?: number;␊
+      maxLength?: NonNegativeInteger;␊
+      minLength?: NonNegativeIntegerDefault0;␊
+      pattern?: string;␊
+      additionalItems?: CoreSchemaMetaSchema2;␊
+      items?: CoreSchemaMetaSchema2 | SchemaArray;␊
+      maxItems?: NonNegativeInteger;␊
+      minItems?: NonNegativeIntegerDefault0;␊
+      uniqueItems?: boolean;␊
+      contains?: CoreSchemaMetaSchema2;␊
+      maxProperties?: NonNegativeInteger;␊
+      minProperties?: NonNegativeIntegerDefault0;␊
+      required?: StringArray;␊
+      additionalProperties?: CoreSchemaMetaSchema2;␊
+      definitions?: {␊
+        [k: string]: CoreSchemaMetaSchema2;␊
+      };␊
+      properties?: {␊
+        [k: string]: CoreSchemaMetaSchema2;␊
+      };␊
+      patternProperties?: {␊
+        [k: string]: CoreSchemaMetaSchema2;␊
+      };␊
+      dependencies?: {␊
+        [k: string]: CoreSchemaMetaSchema2 | StringArray;␊
+      };␊
+      propertyNames?: CoreSchemaMetaSchema2;␊
+      const?: true;␊
+      enum?: [true, ...unknown[]];␊
+      type?: SimpleTypes | [SimpleTypes, ...SimpleTypes[]];␊
+      format?: string;␊
+      contentMediaType?: string;␊
+      contentEncoding?: string;␊
+      if?: CoreSchemaMetaSchema2;␊
+      then?: CoreSchemaMetaSchema2;␊
+      else?: CoreSchemaMetaSchema2;␊
+      allOf?: SchemaArray;␊
+      anyOf?: SchemaArray;␊
+      oneOf?: SchemaArray;␊
+      not?: CoreSchemaMetaSchema2;␊
+      [k: string]: unknown;␊
+    }␊
+    `
+
 ## realWorld.openapi.js
 
 > Expected output to match snapshot for e2e test: realWorld.openapi.js
@@ -8314,6 +8450,17 @@ Generated by [AVA](https://avajs.dev).
       "required": []␊
     }`
 
+## Normalize empty const to singleton enum
+
+> Snapshot 1
+
+    `{␊
+      "id": "foo",␊
+      "enum": [␊
+        ""␊
+      ]␊
+    }`
+
 ## Non object items.items
 
 > Snapshot 1
@@ -8346,6 +8493,25 @@ Generated by [AVA](https://avajs.dev).
       "additionalProperties": true␊
     }`
 
+## Normalize nullable to anyOf
+
+> Snapshot 1
+
+    `{␊
+      "id": "foo",␊
+      "format": "int32",␊
+      "anyOf": [␊
+        {␊
+          "type": "integer",␊
+          "format": "int32"␊
+        },␊
+        {␊
+          "type": "null",␊
+          "additionalProperties": false␊
+        }␊
+      ]␊
+    }`
+
 ## Remove `enum=[null]` if `type=['null']`
 
 > Snapshot 1
@@ -8874,150 +9040,3 @@ Generated by [AVA](https://avajs.dev).
       "additionalProperties": false,␊
       "required": []␊
     }`
-
-## realWorld.jsonschema.js
-
-> Expected output to match snapshot for e2e test: realWorld.jsonschema.js
-
-    `/* tslint:disable */␊
-    /**␊
-     * This file was automatically generated by json-schema-to-typescript.␊
-     * DO NOT MODIFY IT BY HAND. Instead, modify the source JSONSchema file,␊
-     * and run json-schema-to-typescript to regenerate this file.␊
-     */␊
-    ␊
-    export type CoreSchemaMetaSchema = CoreSchemaMetaSchema1 & CoreSchemaMetaSchema2;␊
-    export type NonNegativeInteger = number;␊
-    export type NonNegativeIntegerDefault0 = NonNegativeInteger;␊
-    export type CoreSchemaMetaSchema2 =␊
-      | {␊
-          $id?: string;␊
-          $schema?: string;␊
-          $ref?: string;␊
-          $comment?: string;␊
-          title?: string;␊
-          description?: string;␊
-          default?: true;␊
-          readOnly?: boolean;␊
-          writeOnly?: boolean;␊
-          examples?: true[];␊
-          multipleOf?: number;␊
-          maximum?: number;␊
-          exclusiveMaximum?: number;␊
-          minimum?: number;␊
-          exclusiveMinimum?: number;␊
-          maxLength?: NonNegativeInteger;␊
-          minLength?: NonNegativeIntegerDefault0;␊
-          pattern?: string;␊
-          additionalItems?: CoreSchemaMetaSchema2;␊
-          items?: CoreSchemaMetaSchema2 | SchemaArray;␊
-          maxItems?: NonNegativeInteger;␊
-          minItems?: NonNegativeIntegerDefault0;␊
-          uniqueItems?: boolean;␊
-          contains?: CoreSchemaMetaSchema2;␊
-          maxProperties?: NonNegativeInteger;␊
-          minProperties?: NonNegativeIntegerDefault0;␊
-          required?: StringArray;␊
-          additionalProperties?: CoreSchemaMetaSchema2;␊
-          definitions?: {␊
-            [k: string]: CoreSchemaMetaSchema2;␊
-          };␊
-          properties?: {␊
-            [k: string]: CoreSchemaMetaSchema2;␊
-          };␊
-          patternProperties?: {␊
-            [k: string]: CoreSchemaMetaSchema2;␊
-          };␊
-          dependencies?: {␊
-            [k: string]: CoreSchemaMetaSchema2 | StringArray;␊
-          };␊
-          propertyNames?: CoreSchemaMetaSchema2;␊
-          const?: true;␊
-          enum?: [true, ...unknown[]];␊
-          type?: SimpleTypes | [SimpleTypes, ...SimpleTypes[]];␊
-          format?: string;␊
-          contentMediaType?: string;␊
-          contentEncoding?: string;␊
-          if?: CoreSchemaMetaSchema2;␊
-          then?: CoreSchemaMetaSchema2;␊
-          else?: CoreSchemaMetaSchema2;␊
-          allOf?: SchemaArray;␊
-          anyOf?: SchemaArray;␊
-          oneOf?: SchemaArray;␊
-          not?: CoreSchemaMetaSchema2;␊
-          [k: string]: unknown;␊
-        }␊
-      | boolean;␊
-    export type SchemaArray = [CoreSchemaMetaSchema2, ...CoreSchemaMetaSchema2[]];␊
-    export type StringArray = string[];␊
-    export type SimpleTypes = "array" | "boolean" | "integer" | "null" | "number" | "object" | "string";␊
-    ␊
-    export interface CoreSchemaMetaSchema1 {␊
-      $id?: string;␊
-      $schema?: string;␊
-      $ref?: string;␊
-      $comment?: string;␊
-      title?: string;␊
-      description?: string;␊
-      default?: true;␊
-      readOnly?: boolean;␊
-      writeOnly?: boolean;␊
-      examples?: true[];␊
-      multipleOf?: number;␊
-      maximum?: number;␊
-      exclusiveMaximum?: number;␊
-      minimum?: number;␊
-      exclusiveMinimum?: number;␊
-      maxLength?: NonNegativeInteger;␊
-      minLength?: NonNegativeIntegerDefault0;␊
-      pattern?: string;␊
-      additionalItems?: CoreSchemaMetaSchema2;␊
-      items?: CoreSchemaMetaSchema2 | SchemaArray;␊
-      maxItems?: NonNegativeInteger;␊
-      minItems?: NonNegativeIntegerDefault0;␊
-      uniqueItems?: boolean;␊
-      contains?: CoreSchemaMetaSchema2;␊
-      maxProperties?: NonNegativeInteger;␊
-      minProperties?: NonNegativeIntegerDefault0;␊
-      required?: StringArray;␊
-      additionalProperties?: CoreSchemaMetaSchema2;␊
-      definitions?: {␊
-        [k: string]: CoreSchemaMetaSchema2;␊
-      };␊
-      properties?: {␊
-        [k: string]: CoreSchemaMetaSchema2;␊
-      };␊
-      patternProperties?: {␊
-        [k: string]: CoreSchemaMetaSchema2;␊
-      };␊
-      dependencies?: {␊
-        [k: string]: CoreSchemaMetaSchema2 | StringArray;␊
-      };␊
-      propertyNames?: CoreSchemaMetaSchema2;␊
-      const?: true;␊
-      enum?: [true, ...unknown[]];␊
-      type?: SimpleTypes | [SimpleTypes, ...SimpleTypes[]];␊
-      format?: string;␊
-      contentMediaType?: string;␊
-      contentEncoding?: string;␊
-      if?: CoreSchemaMetaSchema2;␊
-      then?: CoreSchemaMetaSchema2;␊
-      else?: CoreSchemaMetaSchema2;␊
-      allOf?: SchemaArray;␊
-      anyOf?: SchemaArray;␊
-      oneOf?: SchemaArray;␊
-      not?: CoreSchemaMetaSchema2;␊
-      [k: string]: unknown;␊
-    }␊
-    `
-
-## Normalize empty const to singleton enum
-
-> Snapshot 1
-
-    `{␊
-      "id": "foo",␊
-      "enum": [␊
-        ""␊
-      ]␊
-    }`
diff --git a/test/__snapshots__/test/test.ts.snap b/test/__snapshots__/test/test.ts.snap
index 32b63915..55d0b4bd 100644
Binary files a/test/__snapshots__/test/test.ts.snap and b/test/__snapshots__/test/test.ts.snap differ
diff --git a/test/normalizer/nullableToAnyOf.json b/test/normalizer/nullableToAnyOf.json
new file mode 100644
index 00000000..27660944
--- /dev/null
+++ b/test/normalizer/nullableToAnyOf.json
@@ -0,0 +1,21 @@
+{
+  "name": "Normalize nullable to anyOf",
+  "in": {
+    "id": "foo",
+    "type": "integer",
+    "format": "int32",
+    "nullable": true
+  },
+  "out": {
+    "id": "foo",
+    "anyOf": [
+      {
+        "type": "integer",
+        "format": "int32"
+      },
+      {
+        "type": "null"
+      }
+    ]
+  }
+}