diff --git a/src/api/ffmpeg.ts b/src/api/ffmpeg.ts
index b2791e11c..b5a830f01 100644
--- a/src/api/ffmpeg.ts
+++ b/src/api/ffmpeg.ts
@@ -3,14 +3,22 @@ import { ElectronFile } from '../types';
 
 export async function runFFmpegCmd(
     cmd: string[],
-    inputFile: ElectronFile,
+    inputFile: File | ElectronFile,
     outputFileName: string
 ) {
-    const fileData = await ipcRenderer.invoke(
+    let inputFilePath = null;
+    let inputFileData = null;
+    if (inputFile instanceof File) {
+        inputFileData = new Uint8Array(await inputFile.arrayBuffer());
+    } else {
+        inputFilePath = inputFile.path;
+    }
+    const outputFileData = await ipcRenderer.invoke(
         'run-ffmpeg-cmd',
         cmd,
-        inputFile.path,
+        inputFilePath,
+        inputFileData,
         outputFileName
     );
-    return new File([fileData], outputFileName);
+    return new File([outputFileData], outputFileName);
 }
diff --git a/src/services/ffmpeg.ts b/src/services/ffmpeg.ts
index ae8041a96..9d09f21c2 100644
--- a/src/services/ffmpeg.ts
+++ b/src/services/ffmpeg.ts
@@ -3,7 +3,7 @@ import path from 'path';
 const shellescape = require('any-shell-escape');
 import util from 'util';
 import log from 'electron-log';
-import { readFile, rmSync } from 'promise-fs';
+import { readFile, rmSync, writeFile } from 'promise-fs';
 import { logErrorSentry } from './sentry';
 import { generateTempName, getTempDirPath } from '../utils/temp';
 
@@ -20,13 +20,22 @@ function getFFmpegStaticPath() {
 export async function runFFmpegCmd(
     cmd: string[],
     inputFilePath: string,
+    inputFileData: Uint8Array,
+    inputFileName: string,
     outputFileName: string
 ) {
-    let tempOutputFilePath: string;
+    let outputFilePath: string;
     try {
         const tempDirPath = await getTempDirPath();
         const tempName = generateTempName(10);
-        tempOutputFilePath = path.join(
+        if (!inputFilePath) {
+            inputFilePath = path.join(
+                tempDirPath,
+                tempName + '-' + inputFileName
+            );
+            await writeFile(inputFilePath, inputFileData);
+        }
+        outputFilePath = path.join(
             tempDirPath,
             tempName + '-' + outputFileName
         );
@@ -37,7 +46,7 @@ export async function runFFmpegCmd(
             } else if (cmdPart === INPUT_PATH_PLACEHOLDER) {
                 return inputFilePath;
             } else if (cmdPart === OUTPUT_PATH_PLACEHOLDER) {
-                return tempOutputFilePath;
+                return outputFilePath;
             } else {
                 return cmdPart;
             }
@@ -45,13 +54,13 @@ export async function runFFmpegCmd(
         cmd = shellescape(cmd);
         log.info('cmd', cmd);
         await execAsync(cmd);
-        return new Uint8Array(await readFile(tempOutputFilePath));
+        return new Uint8Array(await readFile(outputFilePath));
     } catch (e) {
         logErrorSentry(e, 'ffmpeg run command error');
         throw e;
     } finally {
         try {
-            rmSync(tempOutputFilePath);
+            rmSync(outputFilePath);
         } catch (e) {
             logErrorSentry(e, 'failed to remove tempOutputFile');
         }
diff --git a/src/utils/ipcComms.ts b/src/utils/ipcComms.ts
index 57429e203..67ebed060 100644
--- a/src/utils/ipcComms.ts
+++ b/src/utils/ipcComms.ts
@@ -129,8 +129,21 @@ export default function setupIpcComs(
 
     ipcMain.handle(
         'run-ffmpeg-cmd',
-        (_, cmd: string[], inputFilePath: string, outputFileName: string) => {
-            return runFFmpegCmd(cmd, inputFilePath, outputFileName);
+        (
+            _,
+            cmd: string[],
+            inputFilePath,
+            inputFileData,
+            inputFileName,
+            outputFileName
+        ) => {
+            return runFFmpegCmd(
+                cmd,
+                inputFilePath,
+                inputFileData,
+                inputFileName,
+                outputFileName
+            );
         }
     );
 }