diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2e8b388d33..930e257192 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@
 - [#4579](https://github.com/blockscout/blockscout/pull/4579) - Write contract page: Resize inputs; Improve multiplier selector
 
 ### Fixes
+- [#4711](https://github.com/blockscout/blockscout/pull/4711) - Add trimming to the contract functions inputs
 - [#4729](https://github.com/blockscout/blockscout/pull/4729) - Fix bugs with fees in cases of txs with `gas price = 0`
 - [#4725](https://github.com/blockscout/blockscout/pull/4725) - Fix hardcoded coin name on transaction's and block's page
 - [#4717](https://github.com/blockscout/blockscout/pull/4717) - Contract verification fix: check only success creation tx
diff --git a/apps/block_scout_web/assets/__tests__/lib/smart_contract/common_helpers.js b/apps/block_scout_web/assets/__tests__/lib/smart_contract/common_helpers.js
new file mode 100644
index 0000000000..73b51b1f46
--- /dev/null
+++ b/apps/block_scout_web/assets/__tests__/lib/smart_contract/common_helpers.js
@@ -0,0 +1,180 @@
+import { prepareMethodArgs } from '../../../js/lib/smart_contract/common_helpers'
+import $ from 'jquery'
+  
+const oneFieldHTML =
+    '<form data-function-form>' +
+    ' <input type="hidden" name="function_name" value="convertMultiple">' + 
+    ' <input type="hidden" name="method_id" value="">' + 
+    ' <div>' + 
+    '   <input type="text" name="function_input" id="first">' + 
+    ' </div>' + 
+    ' <input type="submit" value="Write">' + 
+    '</form>'
+
+const twoFieldHTML =
+    '<form data-function-form>' +
+    ' <input type="hidden" name="function_name" value="convertMultiple">' + 
+    ' <input type="hidden" name="method_id" value="">' + 
+    ' <div>' + 
+    '   <input type="text" name="function_input" id="first">' + 
+    ' </div>' + 
+    ' <div>' + 
+    '   <input type="text" name="function_input" id="second">' + 
+    ' </div>' + 
+    ' <input type="submit" value="Write">' + 
+    '</form>'
+
+test('prepare contract args | type: address[]*2', () => {
+    document.body.innerHTML = twoFieldHTML
+
+    var inputs = [
+        {
+            "type": "address[]",
+            "name": "arg1",
+            "internalType": "address[]"
+        },
+        {
+            "type": "address[]",
+            "name": "arg2",
+            "internalType": "address[]"
+        }
+    ]
+
+    document.getElementById('first').value = '  0x0000000000000000000000000000000000000000  ,     0x0000000000000000000000000000000000000001   '
+    document.getElementById('second').value = ' 0x0000000000000000000000000000000000000002  ,     0x0000000000000000000000000000000000000003   '
+    const expectedValue = [
+        [
+          '0x0000000000000000000000000000000000000000',
+          '0x0000000000000000000000000000000000000001'
+        ],
+        [
+          '0x0000000000000000000000000000000000000002',
+          '0x0000000000000000000000000000000000000003'
+        ]
+      ]
+    const $functionInputs = $('[data-function-form]').find('input[name=function_input]')
+    
+    expect(prepareMethodArgs($functionInputs, inputs)).toEqual(expectedValue)
+})
+
+test('prepare contract args | type: address', () => {
+    document.body.innerHTML = oneFieldHTML
+
+    var inputs = [
+        {
+            "type": "address",
+            "name": "arg1",
+            "internalType": "address"
+        }
+    ]
+
+    document.getElementById('first').value = ' 0x000000000000000000 0000000000000000000000 '
+    const expectedValue = ['0x0000000000000000000000000000000000000000']
+    const $functionInputs = $('[data-function-form]').find('input[name=function_input]')
+    
+    expect(prepareMethodArgs($functionInputs, inputs)).toEqual(expectedValue)
+})
+
+test('prepare contract args | type: string', () => {
+    document.body.innerHTML = oneFieldHTML
+
+    var inputs = [
+        {
+            "type": "string",
+            "name": "arg1",
+            "internalType": "string"
+        }
+    ]
+
+    document.getElementById('first').value = '  0x0000000000000000000000000000000000000000  , 0x0000000000000000000000000000000000000001   '
+    const expectedValue = ['0x0000000000000000000000000000000000000000  , 0x0000000000000000000000000000000000000001']
+    const $functionInputs = $('[data-function-form]').find('input[name=function_input]')
+    
+    expect(prepareMethodArgs($functionInputs, inputs)).toEqual(expectedValue)
+})
+
+test('prepare contract args | type: string[]', () => {
+    document.body.innerHTML = oneFieldHTML
+
+    var inputs = [
+        {
+            "type": "string[]",
+            "name": "arg1",
+            "internalType": "string[]"
+        }
+    ]
+
+    document.getElementById('first').value = ' "  0x0000000000000000000000000000000000000000 " , "    0x0000000000000000000000000000000000000001   " '
+    const expectedValue = [['0x0000000000000000000000000000000000000000', '0x0000000000000000000000000000000000000001']]
+    const $functionInputs = $('[data-function-form]').find('input[name=function_input]')
+    expect(prepareMethodArgs($functionInputs, inputs)).toEqual(expectedValue)
+})
+
+test('prepare contract args | type: bool[]', () => {
+    document.body.innerHTML = oneFieldHTML
+
+    var inputs = [
+        {
+            "type": "bool[]",
+            "name": "arg1",
+            "internalType": "bool[]"
+        }
+    ]
+
+    document.getElementById('first').value = ' true , false '
+    const expectedValue = [[true, false]]
+    const $functionInputs = $('[data-function-form]').find('input[name=function_input]')
+    expect(prepareMethodArgs($functionInputs, inputs)).toEqual(expectedValue)
+})
+
+test('prepare contract args | type: bool', () => {
+    document.body.innerHTML = oneFieldHTML
+
+    var inputs = [
+        {
+            "type": "bool",
+            "name": "arg1",
+            "internalType": "bool"
+        }
+    ]
+
+    document.getElementById('first').value = ' fals e '
+    const expectedValue = [false]
+    const $functionInputs = $('[data-function-form]').find('input[name=function_input]')
+    expect(prepareMethodArgs($functionInputs, inputs)).toEqual(expectedValue)
+})
+
+
+test('prepare contract args | type: uint256', () => {
+    document.body.innerHTML = oneFieldHTML
+
+    var inputs = [
+        {
+            "type": "uint256",
+            "name": "arg1",
+            "internalType": "uint256"
+        }
+    ]
+
+    document.getElementById('first').value = ' 9 876 543 210 '
+    const expectedValue = ['9876543210']
+    const $functionInputs = $('[data-function-form]').find('input[name=function_input]')
+    expect(prepareMethodArgs($functionInputs, inputs)).toEqual(expectedValue)
+})
+
+test('prepare contract args | type: uint256[]', () => {
+    document.body.innerHTML = oneFieldHTML
+
+    var inputs = [
+        {
+            "type": "uint256[]",
+            "name": "arg1",
+            "internalType": "uint256[]"
+        }
+    ]
+
+    document.getElementById('first').value = ' 156 000 , 10 690 000 , 59874 '
+    const expectedValue = [['156000', '10690000', '59874']]
+    const $functionInputs = $('[data-function-form]').find('input[name=function_input]')
+    expect(prepareMethodArgs($functionInputs, inputs)).toEqual(expectedValue)
+})
\ No newline at end of file
diff --git a/apps/block_scout_web/assets/js/lib/smart_contract/common_helpers.js b/apps/block_scout_web/assets/js/lib/smart_contract/common_helpers.js
index 58c7dd2db6..4ed34840be 100644
--- a/apps/block_scout_web/assets/js/lib/smart_contract/common_helpers.js
+++ b/apps/block_scout_web/assets/js/lib/smart_contract/common_helpers.js
@@ -23,8 +23,8 @@ export function prepareMethodArgs ($functionInputs, inputs) {
     const inputType = inputs[ind] && inputs[ind].type
     const inputComponents = inputs[ind] && inputs[ind].components
     let sanitizedInputValue
-    sanitizedInputValue = replaceSpaces(inputValue, inputType, inputComponents)
-    sanitizedInputValue = replaceDoubleQuotes(sanitizedInputValue, inputType, inputComponents)
+    sanitizedInputValue = replaceDoubleQuotes(inputValue, inputType, inputComponents)
+    sanitizedInputValue = replaceSpaces(sanitizedInputValue, inputType, inputComponents)
 
     if (isArrayInputType(inputType) || isTupleInputType(inputType)) {
       if (sanitizedInputValue === '' || sanitizedInputValue === '[]') {
@@ -38,6 +38,7 @@ export function prepareMethodArgs ($functionInputs, inputs) {
           const elementInputType = inputType.split('[')[0]
 
           var sanitizedElementValue = replaceDoubleQuotes(elementValue, elementInputType)
+          sanitizedElementValue = replaceSpaces(sanitizedElementValue, elementInputType)
 
           if (isBoolInputType(elementInputType)) {
             sanitizedElementValue = convertToBool(elementValue)
@@ -141,7 +142,7 @@ function replaceSpaces (value, type, components) {
       })
       .join(',')
   } else {
-    return value
+    return value.trim()
   }
 }