diff --git a/index.d.ts b/index.d.ts
index ba988e7..40dd551 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -1,17 +1,24 @@
 export * from './src/interfaces/server/app.ts';
+export * from './src/interfaces/server/cache.ts';
 export * from './src/interfaces/server/context.ts';
+
 export * from './src/interfaces/migration/context.js';
-export * from './src/interfaces/server/cache.ts';
+
 export * from './src/interfaces/security/WebAuthn.js';
 export * from './src/interfaces/security/Challenge.ts';
 export * from './src/interfaces/security/decorators.ts';
+
 export * from './src/interfaces/types/Blob.ts';
 export * from './src/interfaces/types/File.ts';
 export * from './src/interfaces/types/Validators.ts';
+
 export * from './src/interfaces/postgres/model.ts';
 export * from './src/interfaces/postgres/decorators.ts';
+
 export * from './src/interfaces/utils/io.ts';
 
+export * from './src/interfaces/media/video.ts';
+
 export * from './src/interfaces/exceptions/BadRequest.ts';
 export * from './src/interfaces/exceptions/Conflict.ts';
 export * from './src/interfaces/exceptions/ContentTooLarge.ts';
diff --git a/src/compiler/entities/api/handler.js b/src/compiler/entities/api/handler.js
index 4474ed0..a6fea5d 100644
--- a/src/compiler/entities/api/handler.js
+++ b/src/compiler/entities/api/handler.js
@@ -118,7 +118,7 @@ export function makeRouteMethod(name, node) {
   }
 
   if (isVoidLikeType(returnType)) {
-    (ast = factoryStatement(ast)), internals.respondNoContent(res);
+    ast = internals.respondNoContent(res, ast);
   } else if (File.isAssignable(returnType)) {
     ast = internals.respondFile(res, ast);
   } else if (BinaryData.isAssignable(returnType) || isStringType(returnType)) {
diff --git a/src/interfaces/media/video.ts b/src/interfaces/media/video.ts
new file mode 100644
index 0000000..5050895
--- /dev/null
+++ b/src/interfaces/media/video.ts
@@ -0,0 +1,19 @@
+interface VideoInfo {
+  size: number;
+  width: number;
+  height: number;
+  duration: number;
+}
+
+interface ConvertVideoOptions {
+  type?: 'AV1';
+  poster?: string;
+  maxWidth: number;
+  maxHeight: number;
+}
+
+export declare function convertVideo(
+  source: string,
+  target: string,
+  options: ConvertVideoOptions
+): Promise<VideoInfo>;
diff --git a/src/interfaces/security/decorators.ts b/src/interfaces/security/decorators.ts
index cd6c52a..7f67e34 100644
--- a/src/interfaces/security/decorators.ts
+++ b/src/interfaces/security/decorators.ts
@@ -2,7 +2,4 @@ import type { ServerContext } from '../server/context.ts';
 
 export declare function Permission(
   rule: (context: ServerContext, payload?: any) => Promise<boolean>
-): (
-  target: (payload?: any) => any,
-  context: ClassMethodDecoratorContext
-) => void;
+): (target: unknown, context: ClassMethodDecoratorContext) => void;
diff --git a/src/interfaces/server/cache.ts b/src/interfaces/server/cache.ts
index 05abe7a..0631c81 100644
--- a/src/interfaces/server/cache.ts
+++ b/src/interfaces/server/cache.ts
@@ -6,7 +6,4 @@ interface CacheOptions {
 
 export declare function Cache(
   options: boolean | number | CacheOptions
-): (
-  target: (payload?: any) => any,
-  context: ClassMethodDecoratorContext
-) => void;
+): (target: unknown, context: ClassMethodDecoratorContext) => void;
diff --git a/src/runtime/media/video.js b/src/runtime/media/video.js
new file mode 100644
index 0000000..1e57626
--- /dev/null
+++ b/src/runtime/media/video.js
@@ -0,0 +1,78 @@
+import { IO, env } from '#utils/io.js';
+import { UnProcessable } from '../exceptions/UnProcessable.js';
+
+const PATH_FFMPEG = env.PATH_FFMPEG || 'ffmpeg';
+const PATH_FFPROBE = env.PATH_FFPROBE || 'ffprobe';
+
+export async function getVideoInfo(path) {
+  const { streams } = JSON.parse(
+    await IO.exec(
+      `${PATH_FFPROBE} -v error -print_format json -show_streams -select_streams v "${path}"`
+    )
+  );
+
+  if (streams?.length) {
+    return streams[0];
+  } else {
+    throw new UnProcessable('Not found video streams');
+  }
+}
+
+export async function convertVideo(source, target, options) {
+  let { width, height, duration: ds } = await getVideoInfo(source);
+  let duration = Math.round(Number(ds));
+
+  let cmd = PATH_FFMPEG + ' -i "' + source + '" -v error';
+
+  if (width > options.maxWidth || height > options.maxHeight) {
+    if (width > height) {
+      height = Math.round(options.maxHeight / (width / height));
+      width = options.maxWidth;
+
+      cmd += ' -vf "scale=' + width + ':-1"';
+    } else {
+      width = Math.round(options.maxWidth / (height / width));
+      height = options.maxHeight;
+
+      cmd += ' -vf "scale=-1:' + height + '"';
+    }
+  }
+
+  if (options.type === 'AV1') {
+    cmd += ' -c:v libsvtav1';
+    cmd += ' -preset 10';
+    cmd += ' -crf 36';
+    cmd += ' -pix_fmt yuv420p10le';
+    cmd += ' -svtav1-params fast-decode=1';
+  } else {
+    cmd += ' -c:v copy';
+  }
+
+  cmd += ' -c:a copy';
+  cmd += ' -y "' + target + '"';
+
+  await IO.exec(cmd);
+
+  if (options.poster) {
+    const time = duration / 10;
+
+    await IO.exec(
+      `${PATH_FFMPEG} -y -v error -ss ${time} -i "${target}" -frames:v 1 "${options.poster}"`
+    );
+  }
+
+  return { width, height, duration, size: IO.getFileSize(target) };
+}
+
+// console.log(
+//   await convertVideo(
+//     '/Users/oleksiiskydan/Desktop/Labs/Files/2.mp4',
+//     '/Users/oleksiiskydan/Desktop/Labs/Files/aa.mkv',
+//     {
+//       type: 'AV1',
+//       maxWidth: 1280,
+//       maxHeight: 1280,
+//       poster: '/Users/oleksiiskydan/Desktop/Labs/Files/aa.avif',
+//     }
+//   )
+// );
diff --git a/src/runtime/utils/io.js b/src/runtime/utils/io.js
index eed6c4c..e440912 100644
--- a/src/runtime/utils/io.js
+++ b/src/runtime/utils/io.js
@@ -2,11 +2,14 @@ import { tmpdir } from 'node:os';
 import { join } from 'node:path';
 import { Buffer } from 'node:buffer';
 import { Writable } from 'node:stream';
-import { createWriteStream } from 'node:fs';
+import { exec } from 'node:child_process';
+import { statSync, createWriteStream } from 'node:fs';
 import { TransformStream } from 'node:stream/web';
 import { open as openFile, rename as moveFile } from 'node:fs/promises';
 import { randomUUID, createHash, webcrypto as crypto } from 'node:crypto';
 
+export { env } from 'node:process';
+
 export const getRandomString = length =>
   Buffer.from(crypto.getRandomValues(new Uint8Array(length)))
     .toString('base64url')
@@ -22,6 +25,7 @@ export const IO = {
     ),
 
   getTempFileName: () => join(tmpdir(), randomUUID()),
+  getFileSize: path => statSync(path).size,
 
   createFileWriteStream: (path, options) =>
     Writable.toWeb(createWriteStream(path, options)),
@@ -38,4 +42,15 @@ export const IO = {
 
     return hash;
   },
+
+  exec(command, options) {
+    return {
+      then(resolve, reject) {
+        exec(command, options, (error, stdout) => {
+          if (error) reject(error);
+          else resolve(stdout);
+        });
+      },
+    };
+  },
 };