diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeParsingHelper.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeParsingHelper.java
index a36c511d..eb67a5bb 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeParsingHelper.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeParsingHelper.java
@@ -81,6 +81,16 @@ public final class YoutubeParsingHelper {
     }
 
     public static final String YOUTUBEI_V1_URL = "https://www.youtube.com/youtubei/v1/";
+
+    /**
+     * A parameter to disable pretty-printed response of InnerTube requests, to reduce response
+     * sizes.
+     *
+     * <p>
+     * Sent in query parameters of the requests, <b>after</b> the API key.
+     * </p>
+     **/
+    public static final String DISABLE_PRETTY_PRINT_PARAMETER = "&prettyPrint=false";
     public static final String CPN = "cpn";
     public static final String VIDEO_ID = "videoId";
 
@@ -495,7 +505,7 @@ public final class YoutubeParsingHelper {
         // This endpoint is fetched by the YouTube website to get the items of its main menu and is
         // pretty lightweight (around 30kB)
         final Response response = getDownloader().post(YOUTUBEI_V1_URL + "guide?key="
-                        + HARDCODED_KEY, headers, body);
+                        + HARDCODED_KEY + DISABLE_PRETTY_PRINT_PARAMETER, headers, body);
         final String responseBody = response.responseBody();
         final int responseCode = response.responseCode();
 
@@ -674,7 +684,7 @@ public final class YoutubeParsingHelper {
             ReCaptchaException {
         final String url =
                 "https://music.youtube.com/youtubei/v1/music/get_search_suggestions?alt=json&key="
-                + HARDCODED_YOUTUBE_MUSIC_KEY[0];
+                        + HARDCODED_YOUTUBE_MUSIC_KEY[0] + DISABLE_PRETTY_PRINT_PARAMETER;
 
         // @formatter:off
         final byte[] json = JsonWriter.string()
@@ -953,7 +963,7 @@ public final class YoutubeParsingHelper {
         headers.put("Content-Type", Collections.singletonList("application/json"));
 
         final Response response = getDownloader().post(YOUTUBEI_V1_URL + endpoint + "?key="
-                + getKey(), headers, body, localization);
+                + getKey() + DISABLE_PRETTY_PRINT_PARAMETER, headers, body, localization);
 
         return JsonUtils.toJsonObject(getValidJsonResponseBody(response));
     }
@@ -972,7 +982,7 @@ public final class YoutubeParsingHelper {
         headers.put("X-Goog-Api-Format-Version", Collections.singletonList("2"));
 
         final String baseEndpointUrl = "https://youtubei.googleapis.com/youtubei/v1/" + endpoint
-                + "?key=" + ANDROID_YOUTUBE_KEY;
+                + "?key=" + ANDROID_YOUTUBE_KEY + DISABLE_PRETTY_PRINT_PARAMETER;
 
         final Response response = getDownloader().post(isNullOrEmpty(endPartOfUrlRequest)
                         ? baseEndpointUrl : baseEndpointUrl + endPartOfUrlRequest,
@@ -995,7 +1005,7 @@ public final class YoutubeParsingHelper {
         headers.put("X-Goog-Api-Format-Version", Collections.singletonList("2"));
 
         final String baseEndpointUrl = "https://youtubei.googleapis.com/youtubei/v1/" + endpoint
-                + "?key=" + IOS_YOUTUBE_KEY;
+                + "?key=" + IOS_YOUTUBE_KEY + DISABLE_PRETTY_PRINT_PARAMETER;
 
         final Response response = getDownloader().post(isNullOrEmpty(endPartOfUrlRequest)
                         ? baseEndpointUrl : baseEndpointUrl + endPartOfUrlRequest,
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelExtractor.java
index ec04e358..6209317d 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelExtractor.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelExtractor.java
@@ -395,7 +395,8 @@ public class YoutubeChannelExtractor extends ChannelExtractor {
                         .done())
                 .getBytes(UTF_8);
 
-        return new Page(YOUTUBEI_V1_URL + "browse?key=" + getKey(), null, channelIds, null, body);
+        return new Page(YOUTUBEI_V1_URL + "browse?key=" + getKey()
+                + DISABLE_PRETTY_PRINT_PARAMETER, null, channelIds, null, body);
     }
 
     /**
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeMixPlaylistExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeMixPlaylistExtractor.java
index 327c1077..788d0b4d 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeMixPlaylistExtractor.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeMixPlaylistExtractor.java
@@ -90,8 +90,8 @@ public class YoutubeMixPlaylistExtractor extends PlaylistExtractor {
         final Map<String, List<String>> headers = new HashMap<>();
         addClientInfoHeaders(headers);
 
-        final Response response = getDownloader().post(YOUTUBEI_V1_URL + "next?key=" + getKey(),
-                headers, body, localization);
+        final Response response = getDownloader().post(YOUTUBEI_V1_URL + "next?key=" + getKey()
+                + DISABLE_PRETTY_PRINT_PARAMETER, headers, body, localization);
 
         initialData = JsonUtils.toJsonObject(getValidJsonResponseBody(response));
         playlistData = initialData.getObject("contents").getObject("twoColumnWatchNextResults")
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeMusicSearchExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeMusicSearchExtractor.java
index 5f45a335..022ea167 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeMusicSearchExtractor.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeMusicSearchExtractor.java
@@ -60,7 +60,7 @@ public class YoutubeMusicSearchExtractor extends SearchExtractor {
         final String[] youtubeMusicKeys = YoutubeParsingHelper.getYoutubeMusicKey();
 
         final String url = "https://music.youtube.com/youtubei/v1/search?alt=json&key="
-                + youtubeMusicKeys[0];
+                + youtubeMusicKeys[0] + DISABLE_PRETTY_PRINT_PARAMETER;
 
         final String params;
 
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubePlaylistExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubePlaylistExtractor.java
index f52608df..d2f2c877 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubePlaylistExtractor.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubePlaylistExtractor.java
@@ -317,7 +317,8 @@ public class YoutubePlaylistExtractor extends PlaylistExtractor {
                             .done())
                     .getBytes(StandardCharsets.UTF_8);
 
-            return new Page(YOUTUBEI_V1_URL + "browse?key=" + getKey(), body);
+            return new Page(YOUTUBEI_V1_URL + "browse?key=" + getKey()
+                    + DISABLE_PRETTY_PRINT_PARAMETER, body);
         } else {
             return null;
         }
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeSearchExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeSearchExtractor.java
index 895a8594..b985f7bc 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeSearchExtractor.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeSearchExtractor.java
@@ -239,7 +239,8 @@ public class YoutubeSearchExtractor extends SearchExtractor {
         final String token = continuationItemRenderer.getObject("continuationEndpoint")
                 .getObject("continuationCommand").getString("token");
 
-        final String url = YOUTUBEI_V1_URL + "search?key=" + getKey();
+        final String url = YOUTUBEI_V1_URL + "search?key=" + getKey()
+                + DISABLE_PRETTY_PRINT_PARAMETER;
 
         return new Page(url, token);
     }
diff --git a/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeMixPlaylistExtractorTest.java b/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeMixPlaylistExtractorTest.java
index 27d7d98e..b562d659 100644
--- a/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeMixPlaylistExtractorTest.java
+++ b/extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeMixPlaylistExtractorTest.java
@@ -6,9 +6,7 @@ import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.schabi.newpipe.extractor.ExtractorAsserts.assertIsSecureUrl;
 import static org.schabi.newpipe.extractor.ServiceList.YouTube;
-import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.YOUTUBEI_V1_URL;
-import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.getKey;
-import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.prepareDesktopJsonBuilder;
+import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.*;
 
 import com.grack.nanojson.JsonWriter;
 
@@ -93,7 +91,8 @@ public class YoutubeMixPlaylistExtractorTest {
                     .getBytes(StandardCharsets.UTF_8);
 
             final InfoItemsPage<StreamInfoItem> streams = extractor.getPage(new Page(
-                    YOUTUBEI_V1_URL + "next?key=" + getKey(), null, null, dummyCookie, body));
+                    YOUTUBEI_V1_URL + "next?key=" + getKey() + DISABLE_PRETTY_PRINT_PARAMETER,
+                    null, null, dummyCookie, body));
             assertFalse(streams.getItems().isEmpty());
             assertTrue(streams.hasNextPage());
         }
@@ -183,7 +182,8 @@ public class YoutubeMixPlaylistExtractorTest {
                     .getBytes(StandardCharsets.UTF_8);
 
             final InfoItemsPage<StreamInfoItem> streams = extractor.getPage(new Page(
-                    YOUTUBEI_V1_URL + "next?key=" + getKey(), null, null, dummyCookie, body));
+                    YOUTUBEI_V1_URL + "next?key=" + getKey() + DISABLE_PRETTY_PRINT_PARAMETER,
+                    null, null, dummyCookie, body));
             assertFalse(streams.getItems().isEmpty());
             assertTrue(streams.hasNextPage());
         }
@@ -270,7 +270,8 @@ public class YoutubeMixPlaylistExtractorTest {
                     .getBytes(StandardCharsets.UTF_8);
 
             final InfoItemsPage<StreamInfoItem> streams = extractor.getPage(new Page(
-                    YOUTUBEI_V1_URL + "next?key=" + getKey(), null, null, dummyCookie, body));
+                    YOUTUBEI_V1_URL + "next?key=" + getKey() + DISABLE_PRETTY_PRINT_PARAMETER,
+                    null, null, dummyCookie, body));
             assertFalse(streams.getItems().isEmpty());
             assertTrue(streams.hasNextPage());
         }
@@ -389,7 +390,8 @@ public class YoutubeMixPlaylistExtractorTest {
                     .getBytes(StandardCharsets.UTF_8);
 
             final InfoItemsPage<StreamInfoItem> streams = extractor.getPage(new Page(
-                    YOUTUBEI_V1_URL + "next?key=" + getKey(), null, null, dummyCookie, body));
+                    YOUTUBEI_V1_URL + "next?key=" + getKey() + DISABLE_PRETTY_PRINT_PARAMETER,
+                    null, null, dummyCookie, body));
             assertFalse(streams.getItems().isEmpty());
             assertTrue(streams.hasNextPage());
         }