diff --git a/CHANGELOG.md b/CHANGELOG.md
index 683151416..140602236 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -32,6 +32,8 @@ All notable changes to this project will be documented in this file.
   (CharacterSet, GenCommand, NameCharacter, DefineTextFormat, FontRef)
 - DefineVideo tag support (Flash 4)
 - SerialNumber tag support (before Flash 7)
+- FreeCharacter tag support
+- SyncFrame tag support
 
 ### Fixed
 - [#2474] Gotos incorrectly decompiled
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/DefineBeforeUsageFixer.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/DefineBeforeUsageFixer.java
index c2e6ca167..d509bf4ff 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/DefineBeforeUsageFixer.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/DefineBeforeUsageFixer.java
@@ -16,9 +16,11 @@
  */
 package com.jpexs.decompiler.flash;
 
+import com.jpexs.decompiler.flash.tags.FreeCharacterTag;
 import com.jpexs.decompiler.flash.tags.Tag;
 import com.jpexs.decompiler.flash.tags.VideoFrameTag;
 import com.jpexs.decompiler.flash.tags.base.CharacterIdTag;
+import com.jpexs.decompiler.flash.tags.base.CharacterModifier;
 import com.jpexs.decompiler.flash.tags.base.CharacterTag;
 import com.jpexs.decompiler.flash.tags.base.PlaceObjectTypeTag;
 import com.jpexs.decompiler.flash.tags.base.RemoveTag;
@@ -64,11 +66,8 @@ public class DefineBeforeUsageFixer {
         int i = 0;
         for (int j = 0; j < swf.getTags().size(); j++) {
             Tag t2 = swf.getTags().get(j);
-            if ((t2 instanceof CharacterIdTag)
-                    && !(t2 instanceof PlaceObjectTypeTag)
-                    && !(t2 instanceof RemoveTag)
-                    && !(t2 instanceof VideoFrameTag)) {
-                CharacterIdTag chit = (CharacterIdTag) t2;                
+            if (t2 instanceof CharacterModifier) {
+                CharacterModifier chit = (CharacterModifier) t2;                
                 if (chit.getCharacterId() == characterId) {                    
                     swf.removeTag(j);
                     swf.addTag(usageIndex + i, (Tag) chit);
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineButtonCxformTag.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineButtonCxformTag.java
index 107e51db8..e2cd52b82 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineButtonCxformTag.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineButtonCxformTag.java
@@ -19,7 +19,7 @@ package com.jpexs.decompiler.flash.tags;
 import com.jpexs.decompiler.flash.SWF;
 import com.jpexs.decompiler.flash.SWFInputStream;
 import com.jpexs.decompiler.flash.SWFOutputStream;
-import com.jpexs.decompiler.flash.tags.base.CharacterIdTag;
+import com.jpexs.decompiler.flash.tags.base.CharacterModifier;
 import com.jpexs.decompiler.flash.types.BasicType;
 import com.jpexs.decompiler.flash.types.CXFORM;
 import com.jpexs.decompiler.flash.types.annotations.SWFType;
@@ -35,7 +35,7 @@ import java.util.Set;
  * @author JPEXS
  */
 @SWFVersion(from = 2)
-public class DefineButtonCxformTag extends Tag implements CharacterIdTag {
+public class DefineButtonCxformTag extends Tag implements CharacterModifier {
 
     public static final int ID = 23;
 
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineButtonSoundTag.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineButtonSoundTag.java
index cdd829351..432f7f528 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineButtonSoundTag.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineButtonSoundTag.java
@@ -19,7 +19,7 @@ package com.jpexs.decompiler.flash.tags;
 import com.jpexs.decompiler.flash.SWF;
 import com.jpexs.decompiler.flash.SWFInputStream;
 import com.jpexs.decompiler.flash.SWFOutputStream;
-import com.jpexs.decompiler.flash.tags.base.CharacterIdTag;
+import com.jpexs.decompiler.flash.tags.base.CharacterModifier;
 import com.jpexs.decompiler.flash.types.BasicType;
 import com.jpexs.decompiler.flash.types.SOUNDINFO;
 import com.jpexs.decompiler.flash.types.annotations.SWFType;
@@ -35,7 +35,7 @@ import java.util.Set;
  * @author JPEXS
  */
 @SWFVersion(from = 2)
-public class DefineButtonSoundTag extends Tag implements CharacterIdTag {
+public class DefineButtonSoundTag extends Tag implements CharacterModifier {
 
     public static final int ID = 17;
 
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineFontAlignZonesTag.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineFontAlignZonesTag.java
index 6c46e0dde..1963541ef 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineFontAlignZonesTag.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineFontAlignZonesTag.java
@@ -19,7 +19,7 @@ package com.jpexs.decompiler.flash.tags;
 import com.jpexs.decompiler.flash.SWF;
 import com.jpexs.decompiler.flash.SWFInputStream;
 import com.jpexs.decompiler.flash.SWFOutputStream;
-import com.jpexs.decompiler.flash.tags.base.CharacterIdTag;
+import com.jpexs.decompiler.flash.tags.base.CharacterModifier;
 import com.jpexs.decompiler.flash.types.BasicType;
 import com.jpexs.decompiler.flash.types.ZONERECORD;
 import com.jpexs.decompiler.flash.types.annotations.EnumValue;
@@ -40,7 +40,7 @@ import java.util.Set;
  * @author JPEXS
  */
 @SWFVersion(from = 8)
-public class DefineFontAlignZonesTag extends Tag implements CharacterIdTag {
+public class DefineFontAlignZonesTag extends Tag implements CharacterModifier {
 
     public static final int ID = 73;
 
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineFontNameTag.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineFontNameTag.java
index c068401cb..834f5089b 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineFontNameTag.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineFontNameTag.java
@@ -19,7 +19,7 @@ package com.jpexs.decompiler.flash.tags;
 import com.jpexs.decompiler.flash.SWF;
 import com.jpexs.decompiler.flash.SWFInputStream;
 import com.jpexs.decompiler.flash.SWFOutputStream;
-import com.jpexs.decompiler.flash.tags.base.CharacterIdTag;
+import com.jpexs.decompiler.flash.tags.base.CharacterModifier;
 import com.jpexs.decompiler.flash.types.BasicType;
 import com.jpexs.decompiler.flash.types.annotations.SWFType;
 import com.jpexs.decompiler.flash.types.annotations.SWFVersion;
@@ -34,7 +34,7 @@ import java.util.Set;
  * @author JPEXS
  */
 @SWFVersion(from = 9)
-public class DefineFontNameTag extends Tag implements CharacterIdTag {
+public class DefineFontNameTag extends Tag implements CharacterModifier {
 
     public static final int ID = 88;
 
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineScalingGridTag.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineScalingGridTag.java
index 7bcd0b5a4..46efb49f0 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineScalingGridTag.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineScalingGridTag.java
@@ -22,7 +22,7 @@ import com.jpexs.decompiler.flash.SWFOutputStream;
 import com.jpexs.decompiler.flash.exporters.commonshape.ExportRectangle;
 import com.jpexs.decompiler.flash.exporters.commonshape.Matrix;
 import com.jpexs.decompiler.flash.exporters.commonshape.Point;
-import com.jpexs.decompiler.flash.tags.base.CharacterIdTag;
+import com.jpexs.decompiler.flash.tags.base.CharacterModifier;
 import com.jpexs.decompiler.flash.tags.base.CharacterTag;
 import com.jpexs.decompiler.flash.tags.base.DrawableTag;
 import com.jpexs.decompiler.flash.tags.base.RenderContext;
@@ -46,7 +46,7 @@ import java.util.Set;
  * @author JPEXS
  */
 @SWFVersion(from = 8)
-public class DefineScalingGridTag extends Tag implements CharacterIdTag {
+public class DefineScalingGridTag extends Tag implements CharacterModifier {
 
     public static final int ID = 78;
 
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineTextFormatTag.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineTextFormatTag.java
index 8f69eb266..6d951b538 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineTextFormatTag.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/DefineTextFormatTag.java
@@ -19,7 +19,7 @@ package com.jpexs.decompiler.flash.tags;
 import com.jpexs.decompiler.flash.SWF;
 import com.jpexs.decompiler.flash.SWFInputStream;
 import com.jpexs.decompiler.flash.SWFOutputStream;
-import com.jpexs.decompiler.flash.tags.base.CharacterIdTag;
+import com.jpexs.decompiler.flash.tags.base.CharacterModifier;
 import com.jpexs.decompiler.flash.types.BasicType;
 import com.jpexs.decompiler.flash.types.RECT;
 import com.jpexs.decompiler.flash.types.annotations.SWFType;
@@ -36,7 +36,7 @@ import java.util.List;
  * @author JPEXS
  */
 @SWFVersion(from = 3)
-public class DefineTextFormatTag extends Tag implements CharacterIdTag {
+public class DefineTextFormatTag extends Tag implements CharacterModifier {
 
     public static final int ID = 42;
 
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/FreeAllTag.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/FreeAllTag.java
index cac9c7d03..88f1c39dc 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/FreeAllTag.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/FreeAllTag.java
@@ -24,7 +24,7 @@ import com.jpexs.helpers.ByteArrayRange;
 import java.io.IOException;
 
 /**
- * FreeAll tag - undocumented.
+ * FreeAll tag - undocumented. Seems to do nothing.
  *
  * @author JPEXS
  */
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/FreeCharacterTag.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/FreeCharacterTag.java
index 884efba77..694b7ff90 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/FreeCharacterTag.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/FreeCharacterTag.java
@@ -25,10 +25,11 @@ import com.jpexs.decompiler.flash.types.annotations.SWFType;
 import com.jpexs.decompiler.flash.types.annotations.SWFVersion;
 import com.jpexs.helpers.ByteArrayRange;
 import java.io.IOException;
+import java.util.Map;
 import java.util.Set;
 
 /**
- * FreeCharacter tag - undocumented.
+ * FreeCharacter tag - undocumented. Frees a character.
  *
  * @author JPEXS
  */
@@ -89,4 +90,13 @@ public class FreeCharacterTag extends Tag implements CharacterIdTag {
     public void getNeededCharacters(Set<Integer> needed, SWF swf) {
         needed.add(characterId);
     }
+
+    @Override
+    public Map<String, String> getNameProperties() {
+        Map<String, String> ret = super.getNameProperties();
+        ret.put("chid", "" + characterId);
+        return ret;
+    }
+    
+    
 }
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/NameCharacterTag.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/NameCharacterTag.java
index 410d3ed89..12fe8cf96 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/NameCharacterTag.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/NameCharacterTag.java
@@ -19,7 +19,7 @@ package com.jpexs.decompiler.flash.tags;
 import com.jpexs.decompiler.flash.SWF;
 import com.jpexs.decompiler.flash.SWFInputStream;
 import com.jpexs.decompiler.flash.SWFOutputStream;
-import com.jpexs.decompiler.flash.tags.base.CharacterIdTag;
+import com.jpexs.decompiler.flash.tags.base.CharacterModifier;
 import com.jpexs.decompiler.flash.types.BasicType;
 import com.jpexs.decompiler.flash.types.annotations.SWFType;
 import com.jpexs.decompiler.flash.types.annotations.SWFVersion;
@@ -34,7 +34,7 @@ import java.util.Set;
  * @author JPEXS
  */
 @SWFVersion(from = 3)
-public class NameCharacterTag extends Tag implements CharacterIdTag {
+public class NameCharacterTag extends Tag implements CharacterModifier {
 
     public static final int ID = 40;
 
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/ShowFrameTag.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/ShowFrameTag.java
index 3df248023..8fc83fcca 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/ShowFrameTag.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/ShowFrameTag.java
@@ -53,6 +53,8 @@ public class ShowFrameTag extends Tag {
             add(SoundStreamBlockTag.ID);
             add(SetTabIndexTag.ID);
             add(GenCommandTag.ID);
+            add(FreeCharacterTag.ID);
+            add(SyncFrameTag.ID);
             /*add(SoundStreamHeadTag.ID);
              add(SoundStreamHead2Tag.ID);*/
         }
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/Tag.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/Tag.java
index c4be9f6de..dc20751c8 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/Tag.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/Tag.java
@@ -413,6 +413,10 @@ public abstract class Tag implements NeedsCharacters, Exportable, Serializable {
                     addTagInfo(map, map2, NameCharacterTag.ID, NameCharacterTag.class, NameCharacterTag.NAME);
                     addTagInfo(map, map2, CharacterSetTag.ID, CharacterSetTag.class, CharacterSetTag.NAME);
                     addTagInfo(map, map2, SerialNumberTag.ID, SerialNumberTag.class, SerialNumberTag.NAME);
+                    
+                    addTagInfo(map, map2, FreeCharacterTag.ID, FreeCharacterTag.class, FreeCharacterTag.NAME);
+                    addTagInfo(map, map2, SyncFrameTag.ID, SyncFrameTag.class, SyncFrameTag.NAME);
+                    
                     knownTagInfosById = map;
                     knownTagInfosByName = map2;
                 }
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/base/CharacterModifier.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/base/CharacterModifier.java
new file mode 100644
index 000000000..74e75221b
--- /dev/null
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/base/CharacterModifier.java
@@ -0,0 +1,25 @@
+/*
+ *  Copyright (C) 2010-2025 JPEXS, All rights reserved.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3.0 of the License, or (at your option) any later version.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.
+ */
+package com.jpexs.decompiler.flash.tags.base;
+
+/**
+ * A CharacterIdTag that modifies the character somehow
+ * @author JPEXS
+ */
+public interface CharacterModifier extends CharacterIdTag {
+    
+}
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/base/FontInfoTag.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/base/FontInfoTag.java
index c6b3ffe8f..a416df5da 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/base/FontInfoTag.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/base/FontInfoTag.java
@@ -29,7 +29,7 @@ import java.util.Map;
  *
  * @author JPEXS
  */
-public abstract class FontInfoTag extends Tag implements CharacterIdTag {
+public abstract class FontInfoTag extends Tag implements CharacterModifier {
 
     /**
      * Font ID
diff --git a/src/com/jpexs/decompiler/flash/gui/tagtree/AbstractTagTree.java b/src/com/jpexs/decompiler/flash/gui/tagtree/AbstractTagTree.java
index fd821d70e..7dcf683b5 100644
--- a/src/com/jpexs/decompiler/flash/gui/tagtree/AbstractTagTree.java
+++ b/src/com/jpexs/decompiler/flash/gui/tagtree/AbstractTagTree.java
@@ -54,7 +54,6 @@ import com.jpexs.decompiler.flash.tags.DefineSceneAndFrameLabelDataTag;
 import com.jpexs.decompiler.flash.tags.DefineSoundTag;
 import com.jpexs.decompiler.flash.tags.DefineSpriteTag;
 import com.jpexs.decompiler.flash.tags.DefineTextFormatTag;
-import com.jpexs.decompiler.flash.tags.DefineTextTag;
 import com.jpexs.decompiler.flash.tags.DefineVideoStreamTag;
 import com.jpexs.decompiler.flash.tags.DoActionTag;
 import com.jpexs.decompiler.flash.tags.DoInitActionTag;
@@ -65,6 +64,8 @@ import com.jpexs.decompiler.flash.tags.EndTag;
 import com.jpexs.decompiler.flash.tags.ExportAssetsTag;
 import com.jpexs.decompiler.flash.tags.FileAttributesTag;
 import com.jpexs.decompiler.flash.tags.FrameLabelTag;
+import com.jpexs.decompiler.flash.tags.FreeCharacterTag;
+import com.jpexs.decompiler.flash.tags.GenCommandTag;
 import com.jpexs.decompiler.flash.tags.ImportAssets2Tag;
 import com.jpexs.decompiler.flash.tags.ImportAssetsTag;
 import com.jpexs.decompiler.flash.tags.JPEGTablesTag;
@@ -89,6 +90,7 @@ import com.jpexs.decompiler.flash.tags.SoundStreamHeadTag;
 import com.jpexs.decompiler.flash.tags.StartSound2Tag;
 import com.jpexs.decompiler.flash.tags.StartSoundTag;
 import com.jpexs.decompiler.flash.tags.SymbolClassTag;
+import com.jpexs.decompiler.flash.tags.SyncFrameTag;
 import com.jpexs.decompiler.flash.tags.Tag;
 import com.jpexs.decompiler.flash.tags.TagStub;
 import com.jpexs.decompiler.flash.tags.UnknownTag;
@@ -105,7 +107,6 @@ import com.jpexs.decompiler.flash.tags.base.RemoveTag;
 import com.jpexs.decompiler.flash.tags.base.ShapeTag;
 import com.jpexs.decompiler.flash.tags.base.SoundStreamHeadTypeTag;
 import com.jpexs.decompiler.flash.tags.base.StaticTextTag;
-import com.jpexs.decompiler.flash.tags.base.SymbolClassTypeTag;
 import com.jpexs.decompiler.flash.tags.base.TextTag;
 import com.jpexs.decompiler.flash.tags.gfx.DefineCompactedFont;
 import com.jpexs.decompiler.flash.tags.gfx.DefineExternalSound;
@@ -877,7 +878,10 @@ public abstract class AbstractTagTree extends JTree {
                 RemoveObjectTag.ID, RemoveObject2Tag.ID, ShowFrameTag.ID, FrameLabelTag.ID,
                 StartSoundTag.ID, StartSound2Tag.ID, VideoFrameTag.ID,
                 SoundStreamBlockTag.ID, SoundStreamHeadTag.ID, SoundStreamHead2Tag.ID,
-                SetTabIndexTag.ID, PlaceImagePrivateTag.ID
+                SetTabIndexTag.ID, PlaceImagePrivateTag.ID,
+                GenCommandTag.ID,
+                FreeCharacterTag.ID,
+                SyncFrameTag.ID
         );
     }
 
diff --git a/src/com/jpexs/decompiler/flash/gui/tagtree/TagIdClassMap.java b/src/com/jpexs/decompiler/flash/gui/tagtree/TagIdClassMap.java
index eb1e634db..24f228013 100644
--- a/src/com/jpexs/decompiler/flash/gui/tagtree/TagIdClassMap.java
+++ b/src/com/jpexs/decompiler/flash/gui/tagtree/TagIdClassMap.java
@@ -66,6 +66,7 @@ import com.jpexs.decompiler.flash.tags.ExportAssetsTag;
 import com.jpexs.decompiler.flash.tags.FileAttributesTag;
 import com.jpexs.decompiler.flash.tags.FontRefTag;
 import com.jpexs.decompiler.flash.tags.FrameLabelTag;
+import com.jpexs.decompiler.flash.tags.FreeCharacterTag;
 import com.jpexs.decompiler.flash.tags.GenCommandTag;
 import com.jpexs.decompiler.flash.tags.ImportAssets2Tag;
 import com.jpexs.decompiler.flash.tags.ImportAssetsTag;
@@ -92,6 +93,7 @@ import com.jpexs.decompiler.flash.tags.SoundStreamHeadTag;
 import com.jpexs.decompiler.flash.tags.StartSound2Tag;
 import com.jpexs.decompiler.flash.tags.StartSoundTag;
 import com.jpexs.decompiler.flash.tags.SymbolClassTag;
+import com.jpexs.decompiler.flash.tags.SyncFrameTag;
 import com.jpexs.decompiler.flash.tags.VideoFrameTag;
 import com.jpexs.decompiler.flash.tags.gfx.DefineCompactedFont;
 import com.jpexs.decompiler.flash.tags.gfx.DefineExternalGradient;
@@ -207,6 +209,9 @@ public class TagIdClassMap {
         addTag(NameCharacterTag.ID, NameCharacterTag.class);
         addTag(CharacterSetTag.ID, CharacterSetTag.class);
         addTag(SerialNumberTag.ID, SerialNumberTag.class);
+        
+        addTag(FreeCharacterTag.ID, FreeCharacterTag.class);
+        addTag(SyncFrameTag.ID, SyncFrameTag.class);
     }
 
     private static void addTag(int tagId, Class<?> cl) {
diff --git a/src/com/jpexs/decompiler/flash/gui/tagtree/TagTree.java b/src/com/jpexs/decompiler/flash/gui/tagtree/TagTree.java
index f34ba8724..5dd14dd73 100644
--- a/src/com/jpexs/decompiler/flash/gui/tagtree/TagTree.java
+++ b/src/com/jpexs/decompiler/flash/gui/tagtree/TagTree.java
@@ -47,7 +47,6 @@ import com.jpexs.decompiler.flash.tags.DefineShapeTag;
 import com.jpexs.decompiler.flash.tags.DefineSoundTag;
 import com.jpexs.decompiler.flash.tags.DefineSpriteTag;
 import com.jpexs.decompiler.flash.tags.DefineText2Tag;
-import com.jpexs.decompiler.flash.tags.DefineTextFormatTag;
 import com.jpexs.decompiler.flash.tags.DefineTextTag;
 import com.jpexs.decompiler.flash.tags.DefineVideoStreamTag;
 import com.jpexs.decompiler.flash.tags.DefineVideoTag;
@@ -62,12 +61,12 @@ import com.jpexs.decompiler.flash.tags.ExportAssetsTag;
 import com.jpexs.decompiler.flash.tags.FileAttributesTag;
 import com.jpexs.decompiler.flash.tags.FontRefTag;
 import com.jpexs.decompiler.flash.tags.FrameLabelTag;
+import com.jpexs.decompiler.flash.tags.FreeCharacterTag;
 import com.jpexs.decompiler.flash.tags.GenCommandTag;
 import com.jpexs.decompiler.flash.tags.ImportAssets2Tag;
 import com.jpexs.decompiler.flash.tags.ImportAssetsTag;
 import com.jpexs.decompiler.flash.tags.JPEGTablesTag;
 import com.jpexs.decompiler.flash.tags.MetadataTag;
-import com.jpexs.decompiler.flash.tags.NameCharacterTag;
 import com.jpexs.decompiler.flash.tags.PlaceImagePrivateTag;
 import com.jpexs.decompiler.flash.tags.PlaceObject2Tag;
 import com.jpexs.decompiler.flash.tags.PlaceObject3Tag;
@@ -87,6 +86,7 @@ import com.jpexs.decompiler.flash.tags.SoundStreamHeadTag;
 import com.jpexs.decompiler.flash.tags.StartSound2Tag;
 import com.jpexs.decompiler.flash.tags.StartSoundTag;
 import com.jpexs.decompiler.flash.tags.SymbolClassTag;
+import com.jpexs.decompiler.flash.tags.SyncFrameTag;
 import com.jpexs.decompiler.flash.tags.Tag;
 import com.jpexs.decompiler.flash.tags.VideoFrameTag;
 import com.jpexs.decompiler.flash.tags.gfx.DefineCompactedFont;
@@ -300,7 +300,10 @@ public class TagTree extends AbstractTagTree {
                         StartSoundTag.ID, StartSound2Tag.ID, VideoFrameTag.ID,
                         SoundStreamBlockTag.ID, SoundStreamHeadTag.ID, SoundStreamHead2Tag.ID,
                         SetTabIndexTag.ID, PlaceImagePrivateTag.ID,
-                        GenCommandTag.ID);
+                        GenCommandTag.ID,
+                        FreeCharacterTag.ID,
+                        SyncFrameTag.ID
+                );
                 break;
             case TagTreeModel.FOLDER_OTHERS:
                 ret = Arrays.asList(
diff --git a/src/com/jpexs/decompiler/flash/gui/tagtree/TagTreeContextMenu.java b/src/com/jpexs/decompiler/flash/gui/tagtree/TagTreeContextMenu.java
index a5efb653c..e3b01b6e5 100644
--- a/src/com/jpexs/decompiler/flash/gui/tagtree/TagTreeContextMenu.java
+++ b/src/com/jpexs/decompiler/flash/gui/tagtree/TagTreeContextMenu.java
@@ -80,6 +80,7 @@ import com.jpexs.decompiler.flash.tags.DoInitActionTag;
 import com.jpexs.decompiler.flash.tags.ExportAssetsTag;
 import com.jpexs.decompiler.flash.tags.FileAttributesTag;
 import com.jpexs.decompiler.flash.tags.FrameLabelTag;
+import com.jpexs.decompiler.flash.tags.FreeCharacterTag;
 import com.jpexs.decompiler.flash.tags.MetadataTag;
 import com.jpexs.decompiler.flash.tags.PlaceImagePrivateTag;
 import com.jpexs.decompiler.flash.tags.PlaceObject2Tag;
@@ -93,6 +94,7 @@ import com.jpexs.decompiler.flash.tags.SoundStreamBlockTag;
 import com.jpexs.decompiler.flash.tags.StartSound2Tag;
 import com.jpexs.decompiler.flash.tags.StartSoundTag;
 import com.jpexs.decompiler.flash.tags.SymbolClassTag;
+import com.jpexs.decompiler.flash.tags.SyncFrameTag;
 import com.jpexs.decompiler.flash.tags.Tag;
 import com.jpexs.decompiler.flash.tags.TagTypeInfo;
 import com.jpexs.decompiler.flash.tags.UnknownTag;
@@ -101,6 +103,7 @@ import com.jpexs.decompiler.flash.tags.base.ASMSource;
 import com.jpexs.decompiler.flash.tags.base.BinaryDataInterface;
 import com.jpexs.decompiler.flash.tags.base.ButtonTag;
 import com.jpexs.decompiler.flash.tags.base.CharacterIdTag;
+import com.jpexs.decompiler.flash.tags.base.CharacterModifier;
 import com.jpexs.decompiler.flash.tags.base.CharacterTag;
 import com.jpexs.decompiler.flash.tags.base.DepthTag;
 import com.jpexs.decompiler.flash.tags.base.DrawableTag;
@@ -5625,11 +5628,8 @@ public class TagTreeContextMenu extends JPopupMenu {
         int i = 0;
         for (int j = 0; j < swf.getTags().size(); j++) {
             Tag t2 = swf.getTags().get(j);
-            if ((t2 instanceof CharacterIdTag)
-                    && !(t2 instanceof PlaceObjectTypeTag)
-                    && !(t2 instanceof RemoveTag)
-                    && !(t2 instanceof VideoFrameTag)) {
-                CharacterIdTag chit = (CharacterIdTag) t2;
+            if (t2 instanceof CharacterModifier) {
+                CharacterModifier chit = (CharacterModifier) t2;
                 if (chit.getCharacterId() == characterId) {
                     swf.removeTag(j);
                     swf.addTag(usageIndex + i, (Tag) chit);
@@ -5866,7 +5866,9 @@ public class TagTreeContextMenu extends JPopupMenu {
                 || (tag instanceof StartSoundTag)
                 || (tag instanceof StartSound2Tag)
                 || (tag instanceof SoundStreamBlockTag)
-                || (tag instanceof DoActionTag);
+                || (tag instanceof DoActionTag)
+                || (tag instanceof FreeCharacterTag)
+                || (tag instanceof SyncFrameTag);
     }
 
     public void copyOrMoveTags(Set<TreeItem> items, boolean move, Timelined targetTimelined, Tag position) {