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 86d2c9a248..c557ade283 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;
@@ -56,7 +57,6 @@
 import java.io.UnsupportedEncodingException;
 import java.net.MalformedURLException;
 import java.net.URL;
-import java.nio.charset.StandardCharsets;
 import java.security.SecureRandom;
 import java.time.LocalDate;
 import java.time.OffsetDateTime;
@@ -556,7 +556,7 @@ public static boolean areHardcodedClientVersionAndKeyValid()
                 .end()
                 .value("fetchLiveState", true)
                 .end()
-            .end().done().getBytes(StandardCharsets.UTF_8);
+            .end().done().getBytes(UTF_8);
         // @formatter:on
 
         final var headers = getClientHeaders("1", HARDCODED_CLIENT_VERSION);
@@ -797,7 +797,7 @@ public static boolean isHardcodedYoutubeMusicKeyValid() throws IOException,
                     .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));
@@ -1228,7 +1228,7 @@ public static Page getNextPageFromContinuationItemRenderer(final JsonObject item
         final byte[] body = JsonWriter
                 .string(prepareDesktopJsonBuilder(localization, contentCountry)
                         .value("continuation", token).done())
-                .getBytes(StandardCharsets.UTF_8);
+                .getBytes(UTF_8);
 
         return new Page(YOUTUBEI_V1_URL + "browse?key=" + getKey() + DISABLE_PRETTY_PRINT_PARAMETER,
                 body);
@@ -1435,7 +1435,7 @@ public static byte[] createDesktopPlayerBody(
                 .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 33fe3207ca..a01ce0e017 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;
@@ -623,7 +623,7 @@ 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/YoutubeChannelExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelExtractor.java
index c553fc44d3..96baa8dc8d 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
@@ -7,6 +7,7 @@
 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;
 
 import com.grack.nanojson.JsonArray;
 import com.grack.nanojson.JsonObject;
@@ -29,7 +30,6 @@
 import org.schabi.newpipe.extractor.utils.Utils;
 
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
@@ -95,7 +95,7 @@ public void onFetchPage(@Nonnull final Downloader downloader)
                             getExtractorLocalization(), getExtractorContentCountry())
                             .value("url", "https://www.youtube.com/" + channelPath)
                             .done())
-                    .getBytes(StandardCharsets.UTF_8);
+                    .getBytes(UTF_8);
 
             final JsonObject jsonResponse = getJsonPostResponse("navigation/resolve_url",
                     body, getExtractorLocalization());
@@ -133,7 +133,7 @@ public void onFetchPage(@Nonnull final Downloader downloader)
                             .value("browseId", id)
                             .value("params", "EgZ2aWRlb3M%3D") // Equal to videos
                             .done())
-                    .getBytes(StandardCharsets.UTF_8);
+                    .getBytes(UTF_8);
 
             final JsonObject jsonResponse = getJsonPostResponse("browse", body,
                     getExtractorLocalization());
@@ -426,7 +426,7 @@ private Page getNextPageFrom(final JsonObject continuations,
                         getExtractorContentCountry())
                         .value("continuation", continuation)
                         .done())
-                .getBytes(StandardCharsets.UTF_8);
+                .getBytes(UTF_8);
 
         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/YoutubeCommentsExtractor.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeCommentsExtractor.java
index 84e6c3e1e1..f954b3c2e9 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;
@@ -19,13 +20,13 @@
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 import java.util.Collections;
 import java.util.List;
 
 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 {
@@ -191,7 +192,7 @@ 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);
@@ -272,7 +273,7 @@ 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 =
@@ -287,7 +288,7 @@ 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 eefc10a94d..2c089e3e63 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
@@ -11,6 +11,7 @@
 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;
@@ -38,7 +39,6 @@
 
 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;
@@ -87,7 +87,7 @@ 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();
@@ -212,7 +212,7 @@ 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?key=" + getKey(), 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 ae6b10a652..2a4329d002 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
@@ -12,6 +12,7 @@
 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;
@@ -38,7 +39,6 @@
 import org.schabi.newpipe.extractor.utils.Utils;
 
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 import java.util.Collections;
 import java.util.List;
 import java.util.stream.Collectors;
@@ -112,7 +112,7 @@ 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(
@@ -240,7 +240,7 @@ public InfoItemsPage<InfoItem> getPage(final Page page)
                         .value("enableSafetyMode", 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 2f6b5565b6..516d290a86 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
@@ -7,6 +7,7 @@
 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;
@@ -29,7 +30,6 @@
 import org.schabi.newpipe.extractor.utils.Utils;
 
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
@@ -63,7 +63,7 @@ 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);
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 7d374e9e6c..92ebfab37d 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
@@ -8,6 +8,7 @@
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.prepareDesktopJsonBuilder;
 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;
@@ -30,7 +31,6 @@
 import org.schabi.newpipe.extractor.utils.JsonUtils;
 
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 import java.util.List;
 
 import javax.annotation.Nonnull;
@@ -87,7 +87,7 @@ 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);
     }
@@ -190,7 +190,7 @@ 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 113f2d4a3d..8ba8f02632 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
@@ -39,6 +39,7 @@
 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;
@@ -88,7 +89,6 @@
 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;
@@ -878,7 +878,7 @@ 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);
 
         // streamType can only have LIVE_STREAM, POST_LIVE_STREAM and VIDEO_STREAM values (see
@@ -987,7 +987,7 @@ private void fetchAndroidMobileJsonPlayer(@Nonnull final ContentCountry contentC
                         // 10.29.2022
                         .value("params", "8AEB")
                         .done())
-                .getBytes(StandardCharsets.UTF_8);
+                .getBytes(UTF_8);
 
         final JsonObject androidPlayerResponse = getJsonAndroidPostResponse(PLAYER,
                 mobileBody, localization, "&t=" + generateTParameter()
@@ -1022,7 +1022,7 @@ 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 13996817e0..40c22201c0 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;
@@ -65,7 +65,7 @@ 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 dd990c0ead..18a613258b 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
@@ -7,7 +7,6 @@
 import java.net.URL;
 import java.net.URLDecoder;
 import java.net.URLEncoder;
-import java.nio.charset.StandardCharsets;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Map;
@@ -23,6 +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
@@ -37,7 +37,7 @@ private Utils() {
      */
     public static String encodeUrlUtf8(final String string) throws UnsupportedEncodingException {
         // TODO: Switch to URLEncoder.encode(String, Charset) in Java 10.
-        return URLEncoder.encode(string, StandardCharsets.UTF_8.name());
+        return URLEncoder.encode(string, UTF_8);
     }
 
     /**
@@ -48,7 +48,7 @@ public static String encodeUrlUtf8(final String string) throws UnsupportedEncodi
      */
     public static String decodeUrlUtf8(final String url) throws UnsupportedEncodingException {
         // TODO: Switch to URLDecoder.decode(String, Charset) in Java 10.
-        return URLDecoder.decode(url, StandardCharsets.UTF_8.name());
+        return URLDecoder.decode(url, UTF_8);
     }
 
     /**