diff --git a/templates/boilerplate/config/blockchain.js b/templates/boilerplate/config/blockchain.js
new file mode 100644
index 000000000..b37632082
--- /dev/null
+++ b/templates/boilerplate/config/blockchain.js
@@ -0,0 +1,59 @@
+module.exports = {
+  development: {
+    enabled: true,
+    networkType: "custom",
+    networkId: "1337",
+    isDev: true,
+    genesisBlock: "config/development/genesis.json",
+    datadir: ".embark/development/datadir",
+    mineWhenNeeded: true,
+    nodiscover: true,
+    maxpeers: 0,
+    rpcHost: "localhost",
+    rpcPort: 8545,
+    rpcCorsDomain: "auto",
+    proxy: true,
+    account: {
+      password: "config/development/password"
+    },
+    targetGasLimit: 8000000,
+    wsOrigins: "auto",
+    wsRPC: true,
+    wsHost: "localhost",
+    wsPort: 8546,
+    simulatorMnemonic: "example exile argue silk regular smile grass bomb merge arm assist farm",
+    simulatorBlocktime: 0
+  },
+  testnet: {
+    enabled: true,
+    networkType: "testnet",
+    light: true,
+    rpcHost: "localhost",
+    rpcPort: 8545,
+    rpcCorsDomain: "http://localhost:8000",
+    account: {
+      password: "config/testnet/password"
+    }
+  },
+  livenet: {
+    enabled: true,
+    networkType: "livenet",
+    light: true,
+    rpcHost: "localhost",
+    rpcPort: 8545,
+    rpcCorsDomain: "http://localhost:8000",
+    account: {
+      password: "config/livenet/password"
+    }
+  },
+  privatenet: {
+    enabled: true,
+    networkType: "custom",
+    rpcHost: "localhost",
+    rpcPort: 8545,
+    rpcCorsDomain: "http://localhost:8000",
+    datadir: "yourdatadir",
+    networkId: "123",
+    bootnodes: ""
+  }
+}
diff --git a/templates/boilerplate/config/blockchain.json b/templates/boilerplate/config/blockchain.json
deleted file mode 100644
index f80d68c6d..000000000
--- a/templates/boilerplate/config/blockchain.json
+++ /dev/null
@@ -1,58 +0,0 @@
-{
-  "development": {
-    "enabled": true,
-    "networkType": "custom",
-    "networkId": "1337",
-    "isDev": true,
-    "genesisBlock": "config/development/genesis.json",
-    "datadir": ".embark/development/datadir",
-    "mineWhenNeeded": true,
-    "nodiscover": true,
-    "maxpeers": 0,
-    "rpcHost": "localhost",
-    "rpcPort": 8545,
-    "rpcCorsDomain": "auto",
-    "proxy": true,
-    "account": {
-      "password": "config/development/password"
-    },
-    "targetGasLimit": 8000000,
-    "wsOrigins": "auto",
-    "wsRPC": true,
-    "wsHost": "localhost",
-    "wsPort": 8546,
-    "simulatorMnemonic": "example exile argue silk regular smile grass bomb merge arm assist farm",
-    "simulatorBlocktime": 0
-  },
-  "testnet": {
-    "enabled": true,
-    "networkType": "testnet",
-    "light": true,
-    "rpcHost": "localhost",
-    "rpcPort": 8545,
-    "rpcCorsDomain": "http://localhost:8000",
-    "account": {
-      "password": "config/testnet/password"
-    }
-  },
-  "livenet": {
-    "enabled": true,
-    "networkType": "livenet",
-    "light": true,
-    "rpcHost": "localhost",
-    "rpcPort": 8545,
-    "rpcCorsDomain": "http://localhost:8000",
-    "account": {
-      "password": "config/livenet/password"
-    }
-  },
-  "privatenet": {
-    "enabled": true,
-    "networkType": "custom",
-    "rpcHost": "localhost",
-    "rpcPort": 8545,
-    "datadir": "yourdatadir",
-    "networkId": "123",
-    "bootnodes": ""
-  }
-}
diff --git a/templates/boilerplate/config/communication.js b/templates/boilerplate/config/communication.js
new file mode 100644
index 000000000..78d87aa90
--- /dev/null
+++ b/templates/boilerplate/config/communication.js
@@ -0,0 +1,13 @@
+module.exports = {
+  default: {
+    enabled: true,
+    provider: "whisper",
+    available_providers: ["whisper"],
+    connection: {
+      host: "localhost",
+      port: 8546,
+      type: "ws"
+    }
+  }
+}
+
diff --git a/templates/boilerplate/config/communication.json b/templates/boilerplate/config/communication.json
deleted file mode 100644
index a6b7f7617..000000000
--- a/templates/boilerplate/config/communication.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "default": {
-    "enabled": true,
-    "provider": "whisper",
-    "available_providers": ["whisper"],
-    "connection": {
-      "host": "localhost",
-      "port": 8546,
-      "type": "ws"
-    }
-  }
-}
diff --git a/templates/boilerplate/config/namesystem.js b/templates/boilerplate/config/namesystem.js
new file mode 100644
index 000000000..17ac6de4f
--- /dev/null
+++ b/templates/boilerplate/config/namesystem.js
@@ -0,0 +1,6 @@
+module.exports = {
+	default: {
+    available_providers: ["ens"],
+    provider: "ens"
+  }
+}
diff --git a/templates/boilerplate/config/namesystem.json b/templates/boilerplate/config/namesystem.json
deleted file mode 100644
index d4918b47b..000000000
--- a/templates/boilerplate/config/namesystem.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-	"default": {
-    "available_providers": ["ens"],
-    "provider": "ens"
-  }
-}
\ No newline at end of file
diff --git a/templates/boilerplate/config/storage.js b/templates/boilerplate/config/storage.js
new file mode 100644
index 000000000..1603bead2
--- /dev/null
+++ b/templates/boilerplate/config/storage.js
@@ -0,0 +1,24 @@
+module.exports = {
+  default: {
+    enabled: true,
+    ipfs_bin: "ipfs",
+    provider: "ipfs",
+    available_providers: ["ipfs"],
+    upload: {
+      host: "localhost",
+      port: 5001
+    },
+    dappConnection: [
+      {provider: "ipfs", host: "localhost", port: 5001, getUrl: "http://localhost:8080/ipfs/"}
+    ]
+  },
+  development: {
+    enabled: true,
+    provider: "ipfs",
+    upload: {
+      host: "localhost",
+      port: 5001,
+      getUrl: "http://localhost:8080/ipfs/"
+    }
+  }
+}
diff --git a/templates/boilerplate/config/storage.json b/templates/boilerplate/config/storage.json
deleted file mode 100644
index da1aa6b74..000000000
--- a/templates/boilerplate/config/storage.json
+++ /dev/null
@@ -1,24 +0,0 @@
-{
-  "default": {
-    "enabled": true,
-    "ipfs_bin": "ipfs",
-    "provider": "ipfs",
-    "available_providers": ["ipfs"],
-    "upload": {
-      "host": "localhost",
-      "port": 5001
-    },
-    "dappConnection": [
-      {"provider": "ipfs", "host": "localhost", "port": 5001, "getUrl": "http://localhost:8080/ipfs/"}
-    ]
-  },
-  "development": {
-    "enabled": true,
-    "provider": "ipfs",
-    "upload": {
-      "host": "localhost",
-      "port": 5001,
-      "getUrl": "http://localhost:8080/ipfs/"
-    }
-  }
-}
diff --git a/templates/boilerplate/config/webserver.js b/templates/boilerplate/config/webserver.js
new file mode 100644
index 000000000..d5b49949e
--- /dev/null
+++ b/templates/boilerplate/config/webserver.js
@@ -0,0 +1,5 @@
+module.exports = {
+  enabled: true,
+  host: "localhost",
+  port: 8000
+}
diff --git a/templates/boilerplate/config/webserver.json b/templates/boilerplate/config/webserver.json
deleted file mode 100644
index c28a31138..000000000
--- a/templates/boilerplate/config/webserver.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "enabled": true,
-  "host": "localhost",
-  "port": 8000
-}
diff --git a/templates/demo/config/blockchain.js b/templates/demo/config/blockchain.js
new file mode 100644
index 000000000..b37632082
--- /dev/null
+++ b/templates/demo/config/blockchain.js
@@ -0,0 +1,59 @@
+module.exports = {
+  development: {
+    enabled: true,
+    networkType: "custom",
+    networkId: "1337",
+    isDev: true,
+    genesisBlock: "config/development/genesis.json",
+    datadir: ".embark/development/datadir",
+    mineWhenNeeded: true,
+    nodiscover: true,
+    maxpeers: 0,
+    rpcHost: "localhost",
+    rpcPort: 8545,
+    rpcCorsDomain: "auto",
+    proxy: true,
+    account: {
+      password: "config/development/password"
+    },
+    targetGasLimit: 8000000,
+    wsOrigins: "auto",
+    wsRPC: true,
+    wsHost: "localhost",
+    wsPort: 8546,
+    simulatorMnemonic: "example exile argue silk regular smile grass bomb merge arm assist farm",
+    simulatorBlocktime: 0
+  },
+  testnet: {
+    enabled: true,
+    networkType: "testnet",
+    light: true,
+    rpcHost: "localhost",
+    rpcPort: 8545,
+    rpcCorsDomain: "http://localhost:8000",
+    account: {
+      password: "config/testnet/password"
+    }
+  },
+  livenet: {
+    enabled: true,
+    networkType: "livenet",
+    light: true,
+    rpcHost: "localhost",
+    rpcPort: 8545,
+    rpcCorsDomain: "http://localhost:8000",
+    account: {
+      password: "config/livenet/password"
+    }
+  },
+  privatenet: {
+    enabled: true,
+    networkType: "custom",
+    rpcHost: "localhost",
+    rpcPort: 8545,
+    rpcCorsDomain: "http://localhost:8000",
+    datadir: "yourdatadir",
+    networkId: "123",
+    bootnodes: ""
+  }
+}
diff --git a/templates/demo/config/blockchain.json b/templates/demo/config/blockchain.json
deleted file mode 100644
index 9b7162c0d..000000000
--- a/templates/demo/config/blockchain.json
+++ /dev/null
@@ -1,59 +0,0 @@
-{
-  "development": {
-    "enabled": true,
-    "networkType": "custom",
-    "networkId": "1337",
-    "isDev": true,
-    "genesisBlock": "config/development/genesis.json",
-    "datadir": ".embark/development/datadir",
-    "mineWhenNeeded": true,
-    "nodiscover": true,
-    "maxpeers": 0,
-    "rpcHost": "localhost",
-    "rpcPort": 8545,
-    "rpcCorsDomain": "auto",
-    "proxy": true,
-    "account": {
-      "password": "config/development/password"
-    },
-    "targetGasLimit": 8000000,
-    "wsOrigins": "auto",
-    "wsRPC": true,
-    "wsHost": "localhost",
-    "wsPort": 8546,
-    "simulatorMnemonic": "example exile argue silk regular smile grass bomb merge arm assist farm",
-    "simulatorBlocktime": 0
-  },
-  "testnet": {
-    "enabled": true,
-    "networkType": "testnet",
-    "light": true,
-    "rpcHost": "localhost",
-    "rpcPort": 8545,
-    "rpcCorsDomain": "http://localhost:8000",
-    "account": {
-      "password": "config/testnet/password"
-    }
-  },
-  "livenet": {
-    "enabled": true,
-    "networkType": "livenet",
-    "light": true,
-    "rpcHost": "localhost",
-    "rpcPort": 8545,
-    "rpcCorsDomain": "http://localhost:8000",
-    "account": {
-      "password": "config/livenet/password"
-    }
-  },
-  "privatenet": {
-    "enabled": true,
-    "networkType": "custom",
-    "rpcHost": "localhost",
-    "rpcPort": 8545,
-    "rpcCorsDomain": "http://localhost:8000",
-    "datadir": "yourdatadir",
-    "networkId": "123",
-    "bootnodes": ""
-  }
-}
diff --git a/templates/demo/config/communication.js b/templates/demo/config/communication.js
new file mode 100644
index 000000000..eb969d3cd
--- /dev/null
+++ b/templates/demo/config/communication.js
@@ -0,0 +1,12 @@
+module.exports = {
+  default: {
+    enabled: true,
+    provider: "whisper",
+    available_providers: ["whisper"],
+    connection: {
+      host: "localhost",
+      port: 8546,
+      type: "ws"
+    }
+  }
+}
diff --git a/templates/demo/config/communication.json b/templates/demo/config/communication.json
deleted file mode 100644
index a6b7f7617..000000000
--- a/templates/demo/config/communication.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "default": {
-    "enabled": true,
-    "provider": "whisper",
-    "available_providers": ["whisper"],
-    "connection": {
-      "host": "localhost",
-      "port": 8546,
-      "type": "ws"
-    }
-  }
-}
diff --git a/templates/demo/config/namesystem.js b/templates/demo/config/namesystem.js
new file mode 100644
index 000000000..d4fa92799
--- /dev/null
+++ b/templates/demo/config/namesystem.js
@@ -0,0 +1,6 @@
+module.exports = {
+  default: {
+    available_providers: ["ens"],
+    provider: "ens"
+  }
+}
diff --git a/templates/demo/config/namesystem.json b/templates/demo/config/namesystem.json
deleted file mode 100644
index dc83ac4bd..000000000
--- a/templates/demo/config/namesystem.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-  "default": {
-    "available_providers": ["ens"],
-    "provider": "ens"
-  }
-}
\ No newline at end of file
diff --git a/templates/demo/config/storage.js b/templates/demo/config/storage.js
new file mode 100644
index 000000000..1603bead2
--- /dev/null
+++ b/templates/demo/config/storage.js
@@ -0,0 +1,24 @@
+module.exports = {
+  default: {
+    enabled: true,
+    ipfs_bin: "ipfs",
+    provider: "ipfs",
+    available_providers: ["ipfs"],
+    upload: {
+      host: "localhost",
+      port: 5001
+    },
+    dappConnection: [
+      {provider: "ipfs", host: "localhost", port: 5001, getUrl: "http://localhost:8080/ipfs/"}
+    ]
+  },
+  development: {
+    enabled: true,
+    provider: "ipfs",
+    upload: {
+      host: "localhost",
+      port: 5001,
+      getUrl: "http://localhost:8080/ipfs/"
+    }
+  }
+}
diff --git a/templates/demo/config/storage.json b/templates/demo/config/storage.json
deleted file mode 100644
index da1aa6b74..000000000
--- a/templates/demo/config/storage.json
+++ /dev/null
@@ -1,24 +0,0 @@
-{
-  "default": {
-    "enabled": true,
-    "ipfs_bin": "ipfs",
-    "provider": "ipfs",
-    "available_providers": ["ipfs"],
-    "upload": {
-      "host": "localhost",
-      "port": 5001
-    },
-    "dappConnection": [
-      {"provider": "ipfs", "host": "localhost", "port": 5001, "getUrl": "http://localhost:8080/ipfs/"}
-    ]
-  },
-  "development": {
-    "enabled": true,
-    "provider": "ipfs",
-    "upload": {
-      "host": "localhost",
-      "port": 5001,
-      "getUrl": "http://localhost:8080/ipfs/"
-    }
-  }
-}
diff --git a/templates/demo/config/webserver.js b/templates/demo/config/webserver.js
new file mode 100644
index 000000000..d5b49949e
--- /dev/null
+++ b/templates/demo/config/webserver.js
@@ -0,0 +1,5 @@
+module.exports = {
+  enabled: true,
+  host: "localhost",
+  port: 8000
+}
diff --git a/templates/demo/config/webserver.json b/templates/demo/config/webserver.json
deleted file mode 100644
index c28a31138..000000000
--- a/templates/demo/config/webserver.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "enabled": true,
-  "host": "localhost",
-  "port": 8000
-}