diff --git a/src/transaction/Details.tsx b/src/transaction/Details.tsx
index 3df374a..b6246b2 100644
--- a/src/transaction/Details.tsx
+++ b/src/transaction/Details.tsx
@@ -6,7 +6,6 @@ import {
 } from "@ethersproject/abi";
 import { BigNumber } from "@ethersproject/bignumber";
 import { toUtf8String } from "@ethersproject/strings";
-import { Tab } from "@headlessui/react";
 import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
 import { faCheckCircle } from "@fortawesome/free-solid-svg-icons/faCheckCircle";
 import { faCube } from "@fortawesome/free-solid-svg-icons/faCube";
@@ -33,8 +32,7 @@ import PercentageBar from "../components/PercentageBar";
 import ExternalLink from "../components/ExternalLink";
 import RelativePosition from "../components/RelativePosition";
 import PercentagePosition from "../components/PercentagePosition";
-import ModeTab from "../components/ModeTab";
-import DecodedParamsTable from "./decoder/DecodedParamsTable";
+import InputDecoder from "./decoder/InputDecoder";
 import { rawInputTo4Bytes, use4Bytes } from "../use4Bytes";
 import { DevDoc, UserDoc } from "../useSourcify";
 import { ResolvedAddresses } from "../api/address-resolver";
@@ -338,48 +336,16 @@ const Details: React.FC<DetailsProps> = ({
         </>
       )}
       <InfoRow title="Input Data">
-        <Tab.Group>
-          <Tab.List className="flex space-x-1 mb-1">
-            <ModeTab>Decoded</ModeTab>
-            <ModeTab>Raw</ModeTab>
-            <ModeTab>UTF-8</ModeTab>
-          </Tab.List>
-          <Tab.Panels>
-            <Tab.Panel>
-              {fourBytes === "0x" ? (
-                <>No parameters</>
-              ) : resolvedTxDesc === undefined ? (
-                <>Waiting for data...</>
-              ) : resolvedTxDesc === null ? (
-                <>Can't decode data</>
-              ) : (
-                <DecodedParamsTable
-                  args={resolvedTxDesc.args}
-                  paramTypes={resolvedTxDesc.functionFragment.inputs}
-                  txData={txData}
-                  hasParamNames={resolvedTxDesc === txDesc}
-                  userMethod={userMethod}
-                  devMethod={devMethod}
-                  resolvedAddresses={resolvedAddresses}
-                />
-              )}
-            </Tab.Panel>
-            <Tab.Panel>
-              <textarea
-                className="w-full h-40 bg-gray-50 text-gray-500 font-mono focus:outline-none border rounded p-2"
-                value={txData.data}
-                readOnly
-              />
-            </Tab.Panel>
-            <Tab.Panel>
-              <textarea
-                className="w-full h-40 bg-gray-50 text-gray-500 font-mono focus:outline-none border rounded p-2"
-                value={utfInput}
-                readOnly
-              />
-            </Tab.Panel>
-          </Tab.Panels>
-        </Tab.Group>
+        <InputDecoder
+          fourBytes={fourBytes}
+          resolvedTxDesc={resolvedTxDesc}
+          txDesc={txDesc}
+          txData={txData}
+          userMethod={userMethod}
+          devMethod={devMethod}
+          utfInput={utfInput}
+          resolvedAddresses={resolvedAddresses}
+        />
       </InfoRow>
     </ContentFrame>
   );
diff --git a/src/transaction/decoder/InputDecoder.tsx b/src/transaction/decoder/InputDecoder.tsx
new file mode 100644
index 0000000..69820fd
--- /dev/null
+++ b/src/transaction/decoder/InputDecoder.tsx
@@ -0,0 +1,75 @@
+import React from "react";
+import { TransactionDescription } from "@ethersproject/abi";
+import { Tab } from "@headlessui/react";
+import ModeTab from "../../components/ModeTab";
+import DecodedParamsTable from "./DecodedParamsTable";
+import { TransactionData } from "../../types";
+import { DevMethod, UserMethod } from "../../useSourcify";
+import { ResolvedAddresses } from "../../api/address-resolver";
+
+type InputDecoderProps = {
+  fourBytes: string;
+  resolvedTxDesc: TransactionDescription | null | undefined;
+  txDesc: TransactionDescription | null | undefined;
+  txData: TransactionData;
+  userMethod: UserMethod | undefined;
+  devMethod: DevMethod | undefined;
+  utfInput: string;
+  resolvedAddresses: ResolvedAddresses | undefined;
+};
+
+const InputDecoder: React.FC<InputDecoderProps> = ({
+  fourBytes,
+  resolvedTxDesc,
+  txDesc,
+  txData,
+  userMethod,
+  devMethod,
+  utfInput,
+  resolvedAddresses,
+}) => (
+  <Tab.Group>
+    <Tab.List className="flex space-x-1 mb-1">
+      <ModeTab>Decoded</ModeTab>
+      <ModeTab>Raw</ModeTab>
+      <ModeTab>UTF-8</ModeTab>
+    </Tab.List>
+    <Tab.Panels>
+      <Tab.Panel>
+        {fourBytes === "0x" ? (
+          <>No parameters</>
+        ) : resolvedTxDesc === undefined ? (
+          <>Waiting for data...</>
+        ) : resolvedTxDesc === null ? (
+          <>Can't decode data</>
+        ) : (
+          <DecodedParamsTable
+            args={resolvedTxDesc.args}
+            paramTypes={resolvedTxDesc.functionFragment.inputs}
+            txData={txData}
+            hasParamNames={resolvedTxDesc === txDesc}
+            userMethod={userMethod}
+            devMethod={devMethod}
+            resolvedAddresses={resolvedAddresses}
+          />
+        )}
+      </Tab.Panel>
+      <Tab.Panel>
+        <textarea
+          className="w-full h-40 bg-gray-50 text-gray-500 font-mono focus:outline-none border rounded p-2"
+          value={txData.data}
+          readOnly
+        />
+      </Tab.Panel>
+      <Tab.Panel>
+        <textarea
+          className="w-full h-40 bg-gray-50 text-gray-500 font-mono focus:outline-none border rounded p-2"
+          value={utfInput}
+          readOnly
+        />
+      </Tab.Panel>
+    </Tab.Panels>
+  </Tab.Group>
+);
+
+export default InputDecoder;