diff --git a/mastodon/src/main/java/org/joinmastodon/android/ui/text/HtmlParser.java b/mastodon/src/main/java/org/joinmastodon/android/ui/text/HtmlParser.java
index 1784b82e3..9c8eaed3c 100644
--- a/mastodon/src/main/java/org/joinmastodon/android/ui/text/HtmlParser.java
+++ b/mastodon/src/main/java/org/joinmastodon/android/ui/text/HtmlParser.java
@@ -8,7 +8,11 @@ import android.text.Spanned;
 import android.text.TextUtils;
 import android.text.style.BulletSpan;
 import android.text.style.LeadingMarginSpan;
+import android.text.style.RelativeSizeSpan;
+import android.text.style.StrikethroughSpan;
 import android.text.style.StyleSpan;
+import android.text.style.SubscriptSpan;
+import android.text.style.SuperscriptSpan;
 import android.text.style.TypefaceSpan;
 import android.text.style.UnderlineSpan;
 import android.widget.TextView;
@@ -131,15 +135,19 @@ public class HtmlParser{
 						}
 						case "li" -> openSpans.add(new SpanInfo(new BulletSpan(V.dp(8)), ssb.length(), el));
 						case "em", "i" -> openSpans.add(new SpanInfo(new StyleSpan(Typeface.ITALIC), ssb.length(), el));
-						case "strong", "b" -> openSpans.add(new SpanInfo(new StyleSpan(Typeface.BOLD), ssb.length(), el));
+						case "h1" -> openSpans.add(new SpanInfo(new RelativeSizeSpan(1.3f), ssb.length(), el));
+						case "strong", "b", "h2" -> openSpans.add(new SpanInfo(new StyleSpan(Typeface.BOLD), ssb.length(), el));
 						case "u" -> openSpans.add(new SpanInfo(new UnderlineSpan(), ssb.length(), el));
+						case "s", "del" -> openSpans.add(new SpanInfo(new StrikethroughSpan(), ssb.length(), el));
+						case "sub" -> openSpans.add(new SpanInfo(new SubscriptSpan(), ssb.length(), el));
+						case "sup" -> openSpans.add(new SpanInfo(new SuperscriptSpan(), ssb.length(), el));
 						case "code", "pre" -> openSpans.add(new SpanInfo(new TypefaceSpan("monospace"), ssb.length(), el));
 						case "blockquote" -> openSpans.add(new SpanInfo(new LeadingMarginSpan.Standard(V.dp(10)), ssb.length(), el));
 					}
 				}
 			}
 			
-			final List<String> blockElements = Arrays.asList("p", "ul", "ol", "blockquote");
+			final static List<String> blockElements = Arrays.asList("p", "ul", "ol", "blockquote", "h1", "h2", "h3", "h4", "h5", "h6");
 
 			@Override
 			public void tail(@NonNull Node node, int depth){