diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9b89043..59a7b2e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+**v3.4.0**
+* Now validates the json files and gives better error messages when malformed.
+
 **v3.3.0**  
 * You can now disable the large ore veins from spawning in the config.  
 * Fixed a bug where the game would try to read all files in the data folder.  
diff --git a/gradle.properties b/gradle.properties
index f67318f..a63a5fd 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,15 +1,15 @@
 # Gradle Settings
-org.gradle.jvmargs=-Xmx3G
+org.gradle.jvmargs=-Xmx5G
 
 # Mod Info
-VERSION=3.3.0
+VERSION=3.4.0
 AUTHOR=Ewy
 MODNAME=OreTweaker
 MODID=oretweaker
 
 # Dependencies
 MC_VERSION=1.18.2
-FORGE_VERSION=40.0.32
+FORGE_VERSION=40.2.2
 
 # Mappings
 MCP_CHANNEL=official
diff --git a/src/main/java/com/ewyboy/oretweaker/json/JSONHandler.java b/src/main/java/com/ewyboy/oretweaker/json/JSONHandler.java
index bf9ca3a..98b5e53 100644
--- a/src/main/java/com/ewyboy/oretweaker/json/JSONHandler.java
+++ b/src/main/java/com/ewyboy/oretweaker/json/JSONHandler.java
@@ -7,6 +7,9 @@
 import com.ewyboy.oretweaker.util.ModLogger;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
+import com.google.gson.stream.JsonReader;
+import com.google.gson.stream.JsonToken;
+import com.google.gson.stream.MalformedJsonException;
 import net.minecraftforge.fml.loading.FMLPaths;
 
 import java.io.*;
@@ -18,6 +21,8 @@
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
+import static com.google.gson.stream.JsonToken.END_DOCUMENT;
+
 public class JSONHandler {
 
     private static final Gson gson = new Gson();
@@ -39,6 +44,14 @@ public static void readAllFiles() {
         try (Stream<Path> paths = Files.walk(Paths.get(FMLPaths.CONFIGDIR.get() + "/oretweaker/data"))) {
             paths.filter(Files :: isRegularFile).forEach(path -> {
                 if (path.toString().endsWith(".json")) {
+                    try {
+                        if (!isJsonValid(path.toFile(), path.getFileName().toString())) {
+                            ModLogger.error("Invalid JSON: " + path.getFileName());
+                            return;
+                        }
+                    } catch (IOException e) {
+                        throw new RuntimeException(e);
+                    }
                     ModLogger.info("Reading data: " + path.getFileName());
                     readJson(path.toFile());
                 }
@@ -49,6 +62,37 @@ public static void readAllFiles() {
         ModLogger.info(oreConfig.toString());
     }
 
+    private static boolean isJsonValid(File json, String fileName) throws IOException {
+        try (Reader reader = new FileReader(json)) {
+            return isJsonValid(new JsonReader(reader), fileName);
+        }
+    }
+
+    private static boolean isJsonValid(final JsonReader jsonReader, String fileName) throws IOException {
+        try {
+            JsonToken token;
+            while ((token = jsonReader.peek()) != END_DOCUMENT && token != null) {
+                switch (token) {
+                    case BEGIN_ARRAY -> jsonReader.beginArray();
+                    case END_ARRAY -> jsonReader.endArray();
+                    case BEGIN_OBJECT -> jsonReader.beginObject();
+                    case END_OBJECT -> jsonReader.endObject();
+                    case NAME -> jsonReader.nextName();
+                    case STRING, NUMBER, BOOLEAN, NULL -> jsonReader.skipValue();
+                    default -> throw new AssertionError(token);
+                }
+            }
+            return true;
+        } catch ( final MalformedJsonException exception ) {
+            throw new MalformedJsonException(
+                    "Malformed JSON " + fileName + ":\n" +
+                    "Make sure your JSON is formatted correctly!\n" +
+                    "You can read more about JSON formatting here: https://github.com/EwyBoy/OreTweaker/wiki/Validating-JSON-File\n\n" +
+                    "Error: " + exception.getLocalizedMessage() + " in " + fileName
+            );
+        }
+    }
+
     public static boolean containsEntry(OreEntry entry) {
         for (OreEntry ore : oreConfig.getOreConfig()) {
             if (ore.getOre().equals(entry.getOre()) && ore.isReplace()) {