diff --git a/Package.resolved b/Package.resolved
index d1a7a8e..40d2a09 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -15,8 +15,8 @@
         "repositoryURL": "https://github.com/apple/swift-argument-parser",
         "state": {
           "branch": null,
-          "revision": "47bd06ebeff8146ecd0020809e186218b46f465f",
-          "version": "0.4.2"
+          "revision": "986d191f94cec88f6350056da59c2e59e83d1229",
+          "version": "0.4.3"
         }
       }
     ]
diff --git a/Sources/ApertureCLI/record.swift b/Sources/ApertureCLI/record.swift
index 0c8df69..3f0fc80 100644
--- a/Sources/ApertureCLI/record.swift
+++ b/Sources/ApertureCLI/record.swift
@@ -10,6 +10,7 @@ struct Options: Decodable {
   let screenId: CGDirectDisplayID
   let audioDeviceId: String?
   let videoCodec: String?
+  let scaleFactor: Double?
 }
 
 func record(_ optionsString: String, processId: String) throws {
@@ -25,7 +26,8 @@ func record(_ optionsString: String, processId: String) throws {
     highlightClicks: options.highlightClicks,
     screenId: options.screenId == 0 ? .main : options.screenId,
     audioDevice: options.audioDeviceId != nil ? AVCaptureDevice(uniqueID: options.audioDeviceId!) : nil,
-    videoCodec: options.videoCodec != nil ? AVVideoCodecType(rawValue: options.videoCodec!) : nil
+    videoCodec: options.videoCodec != nil ? AVVideoCodecType(rawValue: options.videoCodec!) : nil,
+    scaleFactor: options.scaleFactor != nil ? options.scaleFactor! : 1
   )
 
   recorder.onStart = {
diff --git a/index.d.ts b/index.d.ts
index e6f993a..b671a31 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -61,6 +61,13 @@ declare namespace aperture {
     The `proRes422` and `proRes4444` codecs are uncompressed data. They will create huge files.
     */
     readonly videoCodec?: VideoCodec;
+
+    /**
+    Scale factor to use
+    The actual height and width of the capture will be multiplied by this number to create the height and width of the output.
+    @default 1
+    */
+    readonly scaleFactor?: number;
   };
 
   interface Recorder {
@@ -101,6 +108,11 @@ declare namespace aperture {
     Returns a `Promise` for the path to the screen recording file.
     */
     stopRecording: () => Promise<string>;
+
+    /**
+    Cancels a recording, if it was started
+    */
+    cancel: () => void;
   }
 }
 
diff --git a/index.js b/index.js
index 7607da0..67758b9 100644
--- a/index.js
+++ b/index.js
@@ -39,6 +39,9 @@ class Aperture {
     macosVersion.assertGreaterThanOrEqualTo('10.13');
   }
 
+
+  recorderTimeout = undefined
+
   startRecording({
     fps = 30,
     cropArea = undefined,
@@ -46,7 +49,8 @@ class Aperture {
     highlightClicks = false,
     screenId = 0,
     audioDeviceId = undefined,
-    videoCodec = undefined
+    videoCodec = undefined,
+    scaleFactor = 1
   } = {}) {
     this.processId = getRandomId();
 
@@ -80,7 +84,8 @@ class Aperture {
         showCursor,
         highlightClicks,
         screenId,
-        audioDeviceId
+        audioDeviceId,
+        scaleFactor
       };
 
       if (cropArea) {
@@ -123,7 +128,7 @@ class Aperture {
         return this.tmpPath;
       })();
 
-      const timeout = setTimeout(() => {
+      this.recorderTimeout = setTimeout(() => {
         // `.stopRecording()` was called already
         if (this.recorder === undefined) {
           return;
@@ -137,7 +142,7 @@ class Aperture {
       }, 5000);
 
       this.recorder.catch(error => {
-        clearTimeout(timeout);
+        clearTimeout(recorderTimeout);
         delete this.recorder;
         reject(error);
       });
@@ -148,7 +153,7 @@ class Aperture {
       (async () => {
         try {
           await this.waitForEvent('onStart');
-          clearTimeout(timeout);
+          clearTimeout(recorderTimeout);
           setTimeout(resolve, 1000);
         } catch (error) {
           reject(error);
@@ -227,6 +232,19 @@ class Aperture {
 
     return this.tmpPath;
   }
+
+  cancel() {
+    if (this.recorder === undefined) {
+      return
+    }
+
+    this.recorder.kill();
+    delete this.recorder;
+    delete this.isFileReady;
+    if (this.recorderTimeout !== undefined) {
+      clearTimeout(this.recorderTimeout)
+    }
+  }
 }
 
 module.exports = () => new Aperture();
diff --git a/readme.md b/readme.md
index 066180b..80c7b83 100644
--- a/readme.md
+++ b/readme.md
@@ -113,6 +113,9 @@ Returns a `Promise` that resolves with a boolean indicating whether or not the r
 
 Returns a `Promise` for the path to the screen recording file.
 
+#### recorder.cancel()
+
+Cancels a recoding if it was started
 ## Options
 
 Type: `object`
@@ -154,6 +157,13 @@ Default: `aperture.screens()[0]` *(Primary screen)*
 
 Screen to record.
 
+#### scaleFactor
+
+Type: `number`\
+Default: `1`
+
+The actual height and width of the capture will be multiplied by this number to create the height and width of the output.
+
 #### audioDeviceId
 
 Type: `string`\