diff --git a/remix-lib/src/execution/txFormat.js b/remix-lib/src/execution/txFormat.js
index 64729b606f..b95b777d4e 100644
--- a/remix-lib/src/execution/txFormat.js
+++ b/remix-lib/src/execution/txFormat.js
@@ -413,6 +413,26 @@ module.exports = {
             }
           }
         }
+      } else if (param.charAt(0) === '[') {   // Check if param starts with [ , it will be an array.
+        // Check if array completes in one location by looking for end bracket
+        if (param.charAt(param.length - 1) === ']') {
+          args.push(param)
+        } else {
+          let lastIndex = false
+          let paramStr = param
+          // For an array got divided in multiple location
+          for (let j = i + 1; !lastIndex; j++) {
+            // Check if end bracket is reached
+            if (params[j].charAt(params[j].length - 1) === ']') {
+              paramStr += ',' + params[j]
+              i = j
+              args.push(JSON.parse(paramStr))
+              lastIndex = true
+            } else {
+              paramStr += ',' + params[j]
+            }
+          }
+        }
       } else {
         args.push(param)
       }
diff --git a/remix-lib/test/txFormat.js b/remix-lib/test/txFormat.js
index 12acc81443..9d37946983 100644
--- a/remix-lib/test/txFormat.js
+++ b/remix-lib/test/txFormat.js
@@ -50,10 +50,8 @@ function testWithInput (st, params, expected) {
 tape('ContractStringParameters - (TxFormat.buildData) - format string input parameters', function (t) {
   var output = compiler.compile(compilerInput(stringContract))
   output = JSON.parse(output)
-  console.log('-----------------------------', output)
   var contract = output.contracts['test.sol']['stringContractTest']
   context = { output, contract }
-
   t.test('(TxFormat.buildData)', function (st) {
     st.plan(3)
     testWithStringInput(st, '"1,2,3,4qwerty,5", 0xf7a10e525d4b168f45f74db1b61f63d3e7619ea8, "1,a,5,34"', '0000000000000000000000000000000000000000000000000000000000000060000000000000000000000000f7a10e525d4b168f45f74db1b61f63d3e7619ea800000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000000f312c322c332c347177657274792c3500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008312c612c352c3334000000000000000000000000000000000000000000000000')
@@ -75,6 +73,32 @@ function testWithStringInput (st, params, expected) {
   }, () => {}, () => {})
 }
 
+tape('ContractArrayParameters - (TxFormat.buildData) - format array input parameters', function (t) {
+  var output = compiler.compile(compilerInput(arrayContract))
+  output = JSON.parse(output)
+  var contract = output.contracts['test.sol']['arrayContractTest']
+  context = { output, contract }
+  t.test('(TxFormat.buildData)', function (st) {
+    st.plan(3)
+    testWithArrayInput(st, '[true, false, true], ["0xf7a10e525d4b168f45f74db1b61f63d3e7619ea8", "0xf7a10e525d4b168f45f74db1b61f63d3e7619ea8"], ["0x0c5d9661b4fb92eb7472f28510ea68d4f369c8fe57b3ed4c2e8dfa4e79e549fd", "0x0c5d9661b4fb92eb7472f28510ea68d4f369c8fe57b3ed4c2e8dfa4e79e549fd"], [12, 34, 45], "itsremix"', '00000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000018000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000026000000000000000000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000f7a10e525d4b168f45f74db1b61f63d3e7619ea8000000000000000000000000f7a10e525d4b168f45f74db1b61f63d3e7619ea800000000000000000000000000000000000000000000000000000000000000020c5d9661b4fb92eb7472f28510ea68d4f369c8fe57b3ed4c2e8dfa4e79e549fd0c5d9661b4fb92eb7472f28510ea68d4f369c8fe57b3ed4c2e8dfa4e79e549fd0000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000022000000000000000000000000000000000000000000000000000000000000002d000000000000000000000000000000000000000000000000000000000000000869747372656d6978000000000000000000000000000000000000000000000000')
+    testWithArrayInput(st, '[true, false, true], ["0xf7a10e525d4b168f45f74db1b61f63d3e7619ea8", "0xf7a10e525d4b168f45f74db1b61f63d3e7619ea8"], ["0x0c5d9661b4fb92eb7472f28510ea68d4f369c8fe57b3ed4c2e8dfa4e79e549fd", "0x0c5d9661b4fb92eb7472f28510ea68d4f369c8fe57b3ed4c2e8dfa4e79e549fd"], ["12", "34", "45"], "itsremix"', '00000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000018000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000026000000000000000000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000f7a10e525d4b168f45f74db1b61f63d3e7619ea8000000000000000000000000f7a10e525d4b168f45f74db1b61f63d3e7619ea800000000000000000000000000000000000000000000000000000000000000020c5d9661b4fb92eb7472f28510ea68d4f369c8fe57b3ed4c2e8dfa4e79e549fd0c5d9661b4fb92eb7472f28510ea68d4f369c8fe57b3ed4c2e8dfa4e79e549fd0000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000022000000000000000000000000000000000000000000000000000000000000002d000000000000000000000000000000000000000000000000000000000000000869747372656d6978000000000000000000000000000000000000000000000000')
+    // with complex string containing comma, space and underscore
+    testWithArrayInput(st, '[true, false, true], ["0xf7a10e525d4b168f45f74db1b61f63d3e7619ea8", "0xf7a10e525d4b168f45f74db1b61f63d3e7619ea8"], ["0x0c5d9661b4fb92eb7472f28510ea68d4f369c8fe57b3ed4c2e8dfa4e79e549fd", "0x0c5d9661b4fb92eb7472f28510ea68d4f369c8fe57b3ed4c2e8dfa4e79e549fd"], ["12", "34", "45"], "its  _  re, m,ix"', '00000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000018000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000026000000000000000000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000f7a10e525d4b168f45f74db1b61f63d3e7619ea8000000000000000000000000f7a10e525d4b168f45f74db1b61f63d3e7619ea800000000000000000000000000000000000000000000000000000000000000020c5d9661b4fb92eb7472f28510ea68d4f369c8fe57b3ed4c2e8dfa4e79e549fd0c5d9661b4fb92eb7472f28510ea68d4f369c8fe57b3ed4c2e8dfa4e79e549fd0000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000022000000000000000000000000000000000000000000000000000000000000002d000000000000000000000000000000000000000000000000000000000000001069747320205f202072652c206d2c697800000000000000000000000000000000')
+  })
+})
+
+function testWithArrayInput (st, params, expected) {
+  txFormat.buildData('arrayContractTest', context.contract, context.output.contracts, true, context.contract.abi[0], params, (error, data) => {
+    if (error) { return st.fails(error) }
+    console.log(data)
+    if (!data.dataHex.endsWith(expected)) {
+      st.fail(`result of buildData ${data.dataHex} should end with ${expected} . `)
+    } else {
+      st.pass(`testWithArrayInput. result of buildData ${data.dataHex} ends with correct data`)
+    }
+  }, () => {}, () => {})
+}
+
 /* tape *********************************************************** */
 
 tape('ContractParameters - (TxFormat.buildData) - link Libraries', function (t) {
@@ -274,6 +298,22 @@ var stringContract = `contract stringContractTest {
   }
 }`
 
+var arrayContract = `contract arrayContractTest {
+  string _sp;
+  address _ap;
+  uint _up;
+  bytes32 _bp;
+  bool _flag;
+
+  function test(bool[] memory _b, address[] memory _a, bytes32[] memory names, uint[] memory _nums, string memory _i) public {
+      _up = _nums[0];
+      _ap = _a[0];
+      _bp = names[0];
+      _sp = _i;
+      _flag = _b[0];
+  }
+}`
+
 var deploySimpleLib = `pragma solidity ^0.5.0;
 
 library lib1 {