diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5a5db2b918..60ed8c9dc1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,9 +1,9 @@
 name: CI
 
 on:
-  schedule:
-      # once per day
-    - cron: 0 0 * * *
+  # schedule:
+  #    # once per day
+  #  - cron: 0 0 * * *
   push:
     branches:
       - dev
diff --git a/build.gradle b/build.gradle
index 88074257a4..a9dea55c6e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -29,8 +29,8 @@ allprojects {
     ext {
         nanojsonVersion = "1d9e1aea9049fc9f85e68b43ba39fe7be1c1f751"
         spotbugsVersion = "4.8.6"
-        junitVersion = "5.11.0"
-        checkstyleVersion = "10.4"
+        junitVersion = "5.11.2"
+        checkstyleVersion = "10.12.2"
     }
 }
 
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeChannelHelper.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeChannelHelper.java
index 74335017ae..cab4d3de69 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeChannelHelper.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeChannelHelper.java
@@ -11,7 +11,6 @@
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 import java.util.Optional;
 
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.defaultAlertsCheck;
@@ -19,6 +18,7 @@
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.getTextFromObject;
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.prepareDesktopJsonBuilder;
 import static org.schabi.newpipe.extractor.utils.Utils.isNullOrEmpty;
+import static org.schabi.newpipe.extractor.utils.Utils.UTF_8;
 
 /**
  * Shared functions for extracting YouTube channel pages and tabs.
@@ -67,7 +67,7 @@ public static String resolveChannelId(@Nonnull final String idOrPath)
                     prepareDesktopJsonBuilder(Localization.DEFAULT, ContentCountry.DEFAULT)
                             .value("url", "https://www.youtube.com/" + idOrPath)
                             .done())
-                    .getBytes(StandardCharsets.UTF_8);
+                    .getBytes(UTF_8);
 
             final JsonObject jsonResponse = getJsonPostResponse(
                     "navigation/resolve_url", body, Localization.DEFAULT);
@@ -159,7 +159,7 @@ public static ChannelResponseData getChannelResponse(@Nonnull final String chann
                             .value(BROWSE_ID, id)
                             .value("params", parameters)
                             .done())
-                    .getBytes(StandardCharsets.UTF_8);
+                    .getBytes(UTF_8);
 
             final JsonObject jsonResponse = getJsonPostResponse(
                     "browse", body, localization);
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 53031e7341..b52040bc0f 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
@@ -25,6 +25,7 @@
 import static org.schabi.newpipe.extractor.utils.Utils.HTTPS;
 import static org.schabi.newpipe.extractor.utils.Utils.getStringResultFromRegexArray;
 import static org.schabi.newpipe.extractor.utils.Utils.isNullOrEmpty;
+import static org.schabi.newpipe.extractor.utils.Utils.UTF_8;
 
 import com.grack.nanojson.JsonArray;
 import com.grack.nanojson.JsonBuilder;
@@ -54,7 +55,6 @@
 import java.io.IOException;
 import java.net.MalformedURLException;
 import java.net.URL;
-import java.nio.charset.StandardCharsets;
 import java.time.LocalDate;
 import java.time.OffsetDateTime;
 import java.time.ZoneOffset;
@@ -559,7 +559,7 @@ public static boolean isHardcodedClientVersionValid()
                     .end()
                 .end()
                 .value("fetchLiveState", true)
-            .end().done().getBytes(StandardCharsets.UTF_8);
+            .end().done().getBytes(UTF_8);
         // @formatter:on
 
         final var headers = getClientHeaders(WEB_CLIENT_ID, HARDCODED_CLIENT_VERSION);
@@ -752,7 +752,7 @@ public static boolean isHardcodedYoutubeMusicClientVersionValid() throws IOExcep
                     .end()
                 .end()
                 .value("input", "")
-            .end().done().getBytes(StandardCharsets.UTF_8);
+            .end().done().getBytes(UTF_8);
         // @formatter:on
 
         final var headers = new HashMap<>(getOriginReferrerHeaders(YOUTUBE_MUSIC_URL));
@@ -1319,7 +1319,7 @@ public static JsonObject getWebPlayerResponse(
                                 .value(CONTENT_CHECK_OK, true)
                                 .value(RACY_CHECK_OK, true)
                                 .done())
-                .getBytes(StandardCharsets.UTF_8);
+                .getBytes(UTF_8);
         final String url = YOUTUBEI_V1_URL + "player" + "?" + DISABLE_PRETTY_PRINT_PARAMETER
                 + "&$fields=microformat,playabilityStatus,storyboards,videoDetails";
 
@@ -1334,7 +1334,7 @@ public static byte[] createTvHtml5EmbedPlayerBody(
             @Nonnull final ContentCountry contentCountry,
             @Nonnull final String videoId,
             @Nonnull final Integer sts,
-            @Nonnull final String contentPlaybackNonce) {
+            @Nonnull final String contentPlaybackNonce) throws IOException {
         // @formatter:off
         return JsonWriter.string(
                 prepareTvHtml5EmbedJsonBuilder(localization, contentCountry, videoId)
@@ -1351,7 +1351,7 @@ public static byte[] createTvHtml5EmbedPlayerBody(
                     .value(CONTENT_CHECK_OK, true)
                     .value(RACY_CHECK_OK, true)
                     .done())
-                    .getBytes(StandardCharsets.UTF_8);
+                    .getBytes(UTF_8);
         // @formatter:on
     }
 
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/dashmanifestcreators/YoutubeDashManifestCreatorsUtils.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/dashmanifestcreators/YoutubeDashManifestCreatorsUtils.java
index 5e0fb6d4cf..16743d3b1a 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/dashmanifestcreators/YoutubeDashManifestCreatorsUtils.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/dashmanifestcreators/YoutubeDashManifestCreatorsUtils.java
@@ -8,6 +8,7 @@
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.isTvHtml5SimplyEmbeddedPlayerStreamingUrl;
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.isWebStreamingUrl;
 import static org.schabi.newpipe.extractor.utils.Utils.isNullOrEmpty;
+import static org.schabi.newpipe.extractor.utils.Utils.UTF_8;
 
 import org.schabi.newpipe.extractor.MediaFormat;
 import org.schabi.newpipe.extractor.NewPipe;
@@ -25,7 +26,6 @@
 
 import java.io.IOException;
 import java.io.StringWriter;
-import java.nio.charset.StandardCharsets;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
@@ -620,7 +620,7 @@ public static Response getInitializationResponse(@Nonnull String baseStreamingUr
                 final var headers = Map.of("User-Agent",
                         List.of(isAndroidStreamingUrl ? getAndroidUserAgent(null)
                                 : getIosUserAgent(null)));
-                final byte[] emptyBody = "".getBytes(StandardCharsets.UTF_8);
+                final byte[] emptyBody = "".getBytes(UTF_8);
                 return downloader.post(baseStreamingUrl, headers, emptyBody);
             } catch (final IOException | ExtractionException e) {
                 throw new CreationException("Could not get the "
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelTabExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelTabExtractor.java
index 6aa88c67d4..914a3644bd 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelTabExtractor.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelTabExtractor.java
@@ -20,7 +20,6 @@
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 import java.util.List;
 import java.util.Optional;
 
@@ -31,6 +30,7 @@
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.getJsonPostResponse;
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.prepareDesktopJsonBuilder;
 import static org.schabi.newpipe.extractor.utils.Utils.isNullOrEmpty;
+import static org.schabi.newpipe.extractor.utils.Utils.UTF_8;
 
 /**
  * A {@link ChannelTabExtractor} implementation for the YouTube service.
@@ -438,7 +438,7 @@ private Page getNextPageFrom(final JsonObject continuations,
                         useVisitorData && channelIds.size() >= 3 ? channelIds.get(2) : null)
                         .value("continuation", continuation)
                         .done())
-                .getBytes(StandardCharsets.UTF_8);
+                .getBytes(UTF_8);
 
         return new Page(YOUTUBEI_V1_URL + "browse?" + DISABLE_PRETTY_PRINT_PARAMETER, null,
                 channelIds, null, body);
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeCommentsExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeCommentsExtractor.java
index 8667768a4b..353ee42ada 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeCommentsExtractor.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeCommentsExtractor.java
@@ -3,6 +3,7 @@
 import com.grack.nanojson.JsonArray;
 import com.grack.nanojson.JsonObject;
 import com.grack.nanojson.JsonWriter;
+
 import org.schabi.newpipe.extractor.Page;
 import org.schabi.newpipe.extractor.StreamingService;
 import org.schabi.newpipe.extractor.comments.CommentsExtractor;
@@ -20,12 +21,12 @@
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 import java.util.Collections;
 
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.getJsonPostResponse;
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.getTextFromObject;
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.prepareDesktopJsonBuilder;
+import static org.schabi.newpipe.extractor.utils.Utils.UTF_8;
 import static org.schabi.newpipe.extractor.utils.Utils.isNullOrEmpty;
 
 public class YoutubeCommentsExtractor extends CommentsExtractor {
@@ -208,7 +209,7 @@ public InfoItemsPage<CommentsInfoItem> getPage(final Page page)
                 prepareDesktopJsonBuilder(localization, getExtractorContentCountry())
                     .value("continuation", page.getId())
                     .done())
-                .getBytes(StandardCharsets.UTF_8);
+                .getBytes(UTF_8);
         // @formatter:on
 
         final JsonObject jsonObject = getJsonPostResponse("next", body, localization);
@@ -348,7 +349,7 @@ public void onFetchPage(@Nonnull final Downloader downloader)
                 prepareDesktopJsonBuilder(localization, getExtractorContentCountry())
                     .value("videoId", getId())
                     .done())
-                .getBytes(StandardCharsets.UTF_8);
+                .getBytes(UTF_8);
         // @formatter:on
 
         final String initialToken =
@@ -363,7 +364,7 @@ public void onFetchPage(@Nonnull final Downloader downloader)
                         prepareDesktopJsonBuilder(localization, getExtractorContentCountry())
                                 .value("continuation", initialToken)
                                 .done())
-                .getBytes(StandardCharsets.UTF_8);
+                .getBytes(UTF_8);
         // @formatter:on
 
         ajaxJson = getJsonPostResponse("next", ajaxBody, localization);
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 1df90f967f..8777fda19a 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
@@ -10,6 +10,7 @@
 import static org.schabi.newpipe.extractor.utils.Utils.getQueryValue;
 import static org.schabi.newpipe.extractor.utils.Utils.isNullOrEmpty;
 import static org.schabi.newpipe.extractor.utils.Utils.stringToURL;
+import static org.schabi.newpipe.extractor.utils.Utils.UTF_8;
 
 import com.grack.nanojson.JsonArray;
 import com.grack.nanojson.JsonBuilder;
@@ -40,7 +41,6 @@
 
 import java.io.IOException;
 import java.net.URL;
-import java.nio.charset.StandardCharsets;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -96,7 +96,7 @@ public void onFetchPage(@Nonnull final Downloader downloader)
             jsonBody.value("playlistIndex", Integer.parseInt(playlistIndexString));
         }
 
-        final byte[] body = JsonWriter.string(jsonBody.done()).getBytes(StandardCharsets.UTF_8);
+        final byte[] body = JsonWriter.string(jsonBody.done()).getBytes(UTF_8);
 
         // Cookie is required due to consent
         final var headers = getYouTubeHeaders();
@@ -222,7 +222,7 @@ private Page getNextPageFrom(@Nonnull final JsonObject playlistJson,
                 .value("playlistIndex", index)
                 .value("params", params)
                 .done())
-                .getBytes(StandardCharsets.UTF_8);
+                .getBytes(UTF_8);
 
         return new Page(YOUTUBEI_V1_URL + "next?" + DISABLE_PRETTY_PRINT_PARAMETER, null, null,
                 cookies, body);
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 4ed5449fc9..fc88cf68a0 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
@@ -11,6 +11,7 @@
 import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeSearchQueryHandlerFactory.MUSIC_SONGS;
 import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeSearchQueryHandlerFactory.MUSIC_VIDEOS;
 import static org.schabi.newpipe.extractor.utils.Utils.isNullOrEmpty;
+import static org.schabi.newpipe.extractor.utils.Utils.UTF_8;
 
 import com.grack.nanojson.JsonArray;
 import com.grack.nanojson.JsonObject;
@@ -31,7 +32,6 @@
 import org.schabi.newpipe.extractor.utils.JsonUtils;
 
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 import java.util.Collections;
 import java.util.List;
 import java.util.stream.Collectors;
@@ -102,7 +102,7 @@ public void onFetchPage(@Nonnull final Downloader downloader)
                 .end()
                 .value("query", getSearchString())
                 .value("params", params)
-            .end().done().getBytes(StandardCharsets.UTF_8);
+            .end().done().getBytes(UTF_8);
         // @formatter:on
 
         final String responseBody = getValidJsonResponseBody(
@@ -226,7 +226,7 @@ public InfoItemsPage<InfoItem> getPage(final Page page)
                         .value("lockedSafetyMode", false)
                     .end()
                 .end()
-            .end().done().getBytes(StandardCharsets.UTF_8);
+            .end().done().getBytes(UTF_8);
         // @formatter:on
 
         final String responseBody = getValidJsonResponseBody(
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 79afd55421..ba40dc31ef 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
@@ -9,6 +9,7 @@
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.getUrlFromNavigationEndpoint;
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.prepareDesktopJsonBuilder;
 import static org.schabi.newpipe.extractor.utils.Utils.isNullOrEmpty;
+import static org.schabi.newpipe.extractor.utils.Utils.UTF_8;
 
 import com.grack.nanojson.JsonArray;
 import com.grack.nanojson.JsonObject;
@@ -32,7 +33,6 @@
 import org.schabi.newpipe.extractor.utils.Utils;
 
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 import java.util.List;
 
 import javax.annotation.Nonnull;
@@ -70,7 +70,7 @@ public void onFetchPage(@Nonnull final Downloader downloader) throws IOException
                         .value("browseId", "VL" + getId())
                         .value("params", "wgYCCAA%3D") // Show unavailable videos
                         .done())
-                .getBytes(StandardCharsets.UTF_8);
+                .getBytes(UTF_8);
 
         browseResponse = getJsonPostResponse("browse", body, localization);
         YoutubeParsingHelper.defaultAlertsCheck(browseResponse);
@@ -384,7 +384,7 @@ private Page getNextPageFrom(final JsonArray contents)
                             getExtractorLocalization(), getExtractorContentCountry())
                             .value("continuation", continuation)
                             .done())
-                    .getBytes(StandardCharsets.UTF_8);
+                    .getBytes(UTF_8);
 
             return new Page(YOUTUBEI_V1_URL + "browse?" + DISABLE_PRETTY_PRINT_PARAMETER, body);
         } else {
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 a0be72cc8f..228f64e3ea 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
@@ -11,6 +11,7 @@
 import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeSearchQueryHandlerFactory.VIDEOS;
 import static org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeSearchQueryHandlerFactory.getSearchParameter;
 import static org.schabi.newpipe.extractor.utils.Utils.isNullOrEmpty;
+import static org.schabi.newpipe.extractor.utils.Utils.UTF_8;
 
 import com.grack.nanojson.JsonArray;
 import com.grack.nanojson.JsonBuilder;
@@ -33,7 +34,6 @@
 import org.schabi.newpipe.extractor.utils.JsonUtils;
 
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 import java.util.List;
 import java.util.Objects;
 
@@ -100,7 +100,7 @@ public void onFetchPage(@Nonnull final Downloader downloader) throws IOException
             jsonBody.value("params", params);
         }
 
-        final byte[] body = JsonWriter.string(jsonBody.done()).getBytes(StandardCharsets.UTF_8);
+        final byte[] body = JsonWriter.string(jsonBody.done()).getBytes(UTF_8);
 
         initialData = getJsonPostResponse("search", body, localization);
     }
@@ -202,7 +202,7 @@ public InfoItemsPage<InfoItem> getPage(final Page page) throws IOException,
                 getExtractorContentCountry())
                 .value("continuation", page.getId())
                 .done())
-                .getBytes(StandardCharsets.UTF_8);
+                .getBytes(UTF_8);
         // @formatter:on
 
         final JsonObject ajaxJson = getJsonPostResponse("search", json, localization);
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java
index e6fb7c1b4a..d9658f74e6 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java
@@ -40,6 +40,7 @@
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.prepareDesktopJsonBuilder;
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.prepareIosMobileJsonBuilder;
 import static org.schabi.newpipe.extractor.utils.Utils.isNullOrEmpty;
+import static org.schabi.newpipe.extractor.utils.Utils.UTF_8;
 
 import com.grack.nanojson.JsonArray;
 import com.grack.nanojson.JsonObject;
@@ -87,7 +88,6 @@
 import org.schabi.newpipe.extractor.utils.Utils;
 
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 import java.time.LocalDate;
 import java.time.OffsetDateTime;
 import java.time.format.DateTimeFormatter;
@@ -841,7 +841,7 @@ public void onFetchPage(@Nonnull final Downloader downloader)
                         .value(CONTENT_CHECK_OK, true)
                         .value(RACY_CHECK_OK, true)
                         .done())
-                .getBytes(StandardCharsets.UTF_8);
+                .getBytes(UTF_8);
         nextResponse = getJsonPostResponse(NEXT, body, localization);
     }
 
@@ -918,7 +918,7 @@ private void fetchAndroidMobileJsonPlayer(@Nonnull final ContentCountry contentC
                         .value(CONTENT_CHECK_OK, true)
                         .value(RACY_CHECK_OK, true)
                         .done())
-                .getBytes(StandardCharsets.UTF_8);
+                .getBytes(UTF_8);
 
         final JsonObject androidPlayerResponse = getJsonAndroidPostResponse(
                 "reel/reel_item_watch",
@@ -957,7 +957,7 @@ private void fetchIosMobileJsonPlayer(@Nonnull final ContentCountry contentCount
                         .value(CONTENT_CHECK_OK, true)
                         .value(RACY_CHECK_OK, true)
                         .done())
-                .getBytes(StandardCharsets.UTF_8);
+                .getBytes(UTF_8);
 
         final JsonObject iosPlayerResponse = getJsonIosPostResponse(PLAYER,
                 mobileBody, localization, "&t=" + generateTParameter()
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeTrendingExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeTrendingExtractor.java
index 2976edc4db..62953ce137 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeTrendingExtractor.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeTrendingExtractor.java
@@ -24,6 +24,7 @@
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.getTextAtKey;
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.prepareDesktopJsonBuilder;
 import static org.schabi.newpipe.extractor.utils.Utils.isNullOrEmpty;
+import static org.schabi.newpipe.extractor.utils.Utils.UTF_8;
 
 import com.grack.nanojson.JsonObject;
 import com.grack.nanojson.JsonWriter;
@@ -40,7 +41,6 @@
 import org.schabi.newpipe.extractor.stream.StreamInfoItemsCollector;
 
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 import java.util.stream.Stream;
 
 import javax.annotation.Nonnull;
@@ -68,7 +68,7 @@ public void onFetchPage(@Nonnull final Downloader downloader)
                 .value("browseId", "FEtrending")
                 .value("params", VIDEOS_TAB_PARAMS)
                 .done())
-                .getBytes(StandardCharsets.UTF_8);
+                .getBytes(UTF_8);
         // @formatter:on
 
         initialData = getJsonPostResponse("browse", body, getExtractorLocalization());
diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/utils/Utils.java b/extractor/src/main/java/org/schabi/newpipe/extractor/utils/Utils.java
index c061ce30fa..d2cc95482f 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/utils/Utils.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/utils/Utils.java
@@ -6,7 +6,7 @@
 import java.net.URL;
 import java.net.URLDecoder;
 import java.net.URLEncoder;
-import java.nio.charset.StandardCharsets;
+import java.io.UnsupportedEncodingException;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Map;
@@ -22,6 +22,7 @@ public final class Utils {
     public static final String HTTPS = "https://";
     private static final Pattern M_PATTERN = Pattern.compile("(https?)?://m\\.");
     private static final Pattern WWW_PATTERN = Pattern.compile("(https?)?://www\\.");
+    public static final String UTF_8 = "UTF-8";
 
     private Utils() {
         // no instance
@@ -34,7 +35,12 @@ private Utils() {
      * @return The encoded URL.
      */
     public static String encodeUrlUtf8(final String string) {
-        return URLEncoder.encode(string, StandardCharsets.UTF_8);
+        try {
+            // TODO: Switch to URLEncoder.encode(String, Charset) in Java 10.
+            return URLEncoder.encode(string, UTF_8);
+        } catch (final UnsupportedEncodingException e) {
+            throw new RuntimeException("UTF-8 not supported error: " + e.getMessage(), e);
+        }
     }
 
     /**
@@ -43,7 +49,12 @@ public static String encodeUrlUtf8(final String string) {
      * @return The decoded URL.
      */
     public static String decodeUrlUtf8(final String url) {
-        return URLDecoder.decode(url, StandardCharsets.UTF_8);
+        // TODO: Switch to URLDecoder.decode(String, Charset) in Java 10.
+        try {
+            return URLDecoder.decode(url, UTF_8);
+        } catch (final UnsupportedEncodingException e) {
+            throw new RuntimeException("UTF-8 not supported error: " + e.getMessage(), e);
+        }
     }
 
     /**