diff --git a/src/command-config.js b/src/command-config.js
index 15bf65d..7ff9716 100644
--- a/src/command-config.js
+++ b/src/command-config.js
@@ -1,6 +1,7 @@
 import { addSubtitleTrack } from "./commands/add-subs.js";
 import { extractToEpisodeNumber } from "./commands/extract-to-se.js";
 import { finalizeFileNames } from "./commands/finalize-filenames.js";
+import { convertToMkv } from "./commands/to-mkv.js";
 
 export const CommandConfig = [
     {
@@ -20,5 +21,11 @@ export const CommandConfig = [
         commands: ['-s'],
         params: ['SubtitleDirectory'],
         func: addSubtitleTrack,
+    },
+    {
+        name: 'Repackage to Mkv',
+        commands: ['-m'],
+        params: [],
+        func: convertToMkv,
     }
 ];
\ No newline at end of file
diff --git a/src/commands/to-mkv.js b/src/commands/to-mkv.js
new file mode 100644
index 0000000..988c3f2
--- /dev/null
+++ b/src/commands/to-mkv.js
@@ -0,0 +1,23 @@
+import { getFilenameObject } from "../parsing/parse-filename.js";
+import { exec } from "../shell/exec.js";
+
+const AcceptedMovieExtensions = [
+    '.mp4',
+    '.avi',
+    '.mkv',
+    '.mov',
+    '.webm'
+];
+
+export async function convertToMkv(inputDir, inputFile, outputDir, options) {
+    const filenameObject = getFilenameObject(inputFile);
+    if(!AcceptedMovieExtensions.includes(filenameObject.extension)) {
+        return false;
+    }
+
+    await exec(
+        `ffmpeg -i ${inputDir}${inputFile} -map 0 -c copy ${outputDir}${filenameObject.prefix}.mkv`
+    );
+
+    return true;
+}
\ No newline at end of file