diff --git a/launcher/modplatform/ModIndex.cpp b/launcher/modplatform/ModIndex.cpp
index f6e134e0..6027c4f3 100644
--- a/launcher/modplatform/ModIndex.cpp
+++ b/launcher/modplatform/ModIndex.cpp
@@ -30,7 +30,8 @@ auto ProviderCapabilities::hashType(Provider p) -> QStringList
         case Provider::MODRINTH:
             return { "sha512", "sha1" };
         case Provider::FLAME:
-            return { "murmur2" };
+            // Try newer formats first, fall back to old format
+            return { "sha1", "md5", "murmur2" };
     }
     return {};
 }
@@ -51,7 +52,14 @@ auto ProviderCapabilities::hash(Provider p, QByteArray& data, QString type) -> Q
             return QCryptographicHash::hash(data, QCryptographicHash::Sha512);
         }
         case Provider::FLAME:
-            // TODO
+            // If 'type' was specified, we use that
+            if (!type.isEmpty() && hashType(p).contains(type)) {
+                if(type == "sha1")
+                    return QCryptographicHash::hash(data, QCryptographicHash::Sha1);
+                else if (type == "md5")
+                    return QCryptographicHash::hash(data, QCryptographicHash::Md5);
+            }
+            
             break;
     }
     return {};
diff --git a/launcher/modplatform/flame/FlameModIndex.cpp b/launcher/modplatform/flame/FlameModIndex.cpp
index 63411275..00dac411 100644
--- a/launcher/modplatform/flame/FlameModIndex.cpp
+++ b/launcher/modplatform/flame/FlameModIndex.cpp
@@ -30,6 +30,17 @@ void FlameMod::loadIndexedPack(ModPlatform::IndexedPack& pack, QJsonObject& obj)
     }
 }
 
+static QString enumToString(int hash_algorithm)
+{
+    switch(hash_algorithm){
+    default:
+    case 1:
+        return "sha1";
+    case 2:
+        return "md5";
+    }
+}
+
 void FlameMod::loadIndexedPackVersions(ModPlatform::IndexedPack& pack,
                                        QJsonArray& arr,
                                        const shared_qobject_ptr<QNetworkAccessManager>& network,
@@ -63,14 +74,14 @@ void FlameMod::loadIndexedPackVersions(ModPlatform::IndexedPack& pack,
         file.fileName = Json::requireString(obj, "fileName");
 
         auto hash_list = Json::ensureArray(obj, "hashes");
-        if(!hash_list.isEmpty()){
+        for(auto h : hash_list){
+            auto hash_entry = Json::ensureObject(h);
             auto hash_types = ProviderCaps.hashType(ModPlatform::Provider::FLAME);
-            for(auto& hash_type : hash_types) {
-                if(hash_list.contains(hash_type)) {
-                    file.hash = Json::requireString(hash_list, "value");
-                    file.hash_type = hash_type;
-                    break;
-                }
+            auto hash_algo = enumToString(Json::ensureInteger(hash_entry, "algo", 1, "algorithm"));
+            if(hash_types.contains(hash_algo)){
+                file.hash = Json::requireString(hash_entry, "value");
+                file.hash_type = hash_algo;
+                break;
             }
         }
 
diff --git a/launcher/modplatform/packwiz/Packwiz.cpp b/launcher/modplatform/packwiz/Packwiz.cpp
index cb430c1f..1ad6d75b 100644
--- a/launcher/modplatform/packwiz/Packwiz.cpp
+++ b/launcher/modplatform/packwiz/Packwiz.cpp
@@ -14,9 +14,9 @@ namespace Packwiz {
 // Helpers
 static inline auto indexFileName(QString const& mod_name) -> QString
 {
-    if(mod_name.endsWith(".toml"))
+    if(mod_name.endsWith(".pw.toml"))
         return mod_name;
-    return QString("%1.toml").arg(mod_name);
+    return QString("%1.pw.toml").arg(mod_name);
 }
 
 static ModPlatform::ProviderCapabilities ProviderCaps;
@@ -28,7 +28,14 @@ auto V1::createModFormat(QDir& index_dir, ModPlatform::IndexedPack& mod_pack, Mo
     mod.name = mod_pack.name;
     mod.filename = mod_version.fileName;
 
-    mod.url = mod_version.downloadUrl;
+    if(mod_pack.provider == ModPlatform::Provider::FLAME){
+        mod.mode = "metadata:curseforge";
+    }
+    else {
+        mod.mode = "url";
+        mod.url = mod_version.downloadUrl;
+    }
+
     mod.hash_format = mod_version.hash_type;
     mod.hash = mod_version.hash;
 
@@ -84,6 +91,7 @@ void V1::updateModIndex(QDir& index_dir, Mod& mod)
         addToStream("side", mod.side);
 
         in_stream << QString("\n[download]\n");
+        addToStream("mode", mod.mode);
         addToStream("url", mod.url.toString());
         addToStream("hash-format", mod.hash_format);
         addToStream("hash", mod.hash);
@@ -186,6 +194,7 @@ auto V1::getIndexForMod(QDir& index_dir, QString& index_file_name) -> Mod
             return {};
         }
 
+        mod.mode = stringEntry(download_table, "mode");
         mod.url = stringEntry(download_table, "url");
         mod.hash_format = stringEntry(download_table, "hash-format");
         mod.hash = stringEntry(download_table, "hash");
diff --git a/launcher/modplatform/packwiz/Packwiz.h b/launcher/modplatform/packwiz/Packwiz.h
index 69125dbc..e66d0030 100644
--- a/launcher/modplatform/packwiz/Packwiz.h
+++ b/launcher/modplatform/packwiz/Packwiz.h
@@ -22,8 +22,8 @@ class V1 {
         QString side {"both"};
 
         // [download]
+        QString mode {};
         QUrl url {};
-        // FIXME: make hash-format an enum
         QString hash_format {};
         QString hash {};
 
@@ -42,11 +42,11 @@ class V1 {
         auto version() -> QVariant& { return file_id; }
     };
 
-    /* Generates the object representing the information in a mod.toml file via
+    /* Generates the object representing the information in a mod.pw.toml file via
      * its common representation in the launcher, when downloading mods.
      * */
     static auto createModFormat(QDir& index_dir, ModPlatform::IndexedPack& mod_pack, ModPlatform::IndexedVersion& mod_version) -> Mod;
-    /* Generates the object representing the information in a mod.toml file via
+    /* Generates the object representing the information in a mod.pw.toml file via
      * its common representation in the launcher.
      * */
     static auto createModFormat(QDir& index_dir, ::Mod& internal_mod) -> Mod;
diff --git a/launcher/modplatform/packwiz/Packwiz_test.cpp b/launcher/modplatform/packwiz/Packwiz_test.cpp
index 08de332d..9f3c486e 100644
--- a/launcher/modplatform/packwiz/Packwiz_test.cpp
+++ b/launcher/modplatform/packwiz/Packwiz_test.cpp
@@ -14,7 +14,7 @@ class PackwizTest : public QObject {
         QString source = QFINDTESTDATA("testdata");
 
         QDir index_dir(source);
-        QString name_mod("borderless-mining.toml");
+        QString name_mod("borderless-mining.pw.toml");
         QVERIFY(index_dir.entryList().contains(name_mod));
 
         auto metadata = Packwiz::V1::getIndexForMod(index_dir, name_mod);
@@ -39,10 +39,10 @@ class PackwizTest : public QObject {
         QString source = QFINDTESTDATA("testdata");
 
         QDir index_dir(source);
-        QString name_mod("screenshot-to-clipboard-fabric.toml");
+        QString name_mod("screenshot-to-clipboard-fabric.pw.toml");
         QVERIFY(index_dir.entryList().contains(name_mod));
 
-        // Try without the .toml at the end
+        // Try without the .pw.toml at the end
         name_mod.chop(5);
 
         auto metadata = Packwiz::V1::getIndexForMod(index_dir, name_mod);
diff --git a/launcher/modplatform/packwiz/testdata/borderless-mining.toml b/launcher/modplatform/packwiz/testdata/borderless-mining.pw.toml
similarity index 100%
rename from launcher/modplatform/packwiz/testdata/borderless-mining.toml
rename to launcher/modplatform/packwiz/testdata/borderless-mining.pw.toml
diff --git a/launcher/modplatform/packwiz/testdata/screenshot-to-clipboard-fabric.toml b/launcher/modplatform/packwiz/testdata/screenshot-to-clipboard-fabric.pw.toml
similarity index 100%
rename from launcher/modplatform/packwiz/testdata/screenshot-to-clipboard-fabric.toml
rename to launcher/modplatform/packwiz/testdata/screenshot-to-clipboard-fabric.pw.toml