Skip to contentChange video width while keeping aspect ratio.
Change video width while keeping aspect ratio.
Video processing in the browser uses WebAssembly (ffmpeg.wasm) so files stay on your machine. Ideal for quick edits without cloud queues or account limits.
Use this free Resize Video whenever you need a reliable result without creating an account or installing software. It loads in one click and works on desktop and mobile browsers.
Tentaco runs this tool in your browser whenever possible. Files you select are processed in memory on your device and are not uploaded to Tentaco servers for standard modes. Close the tab or clear the page after use on shared computers. Features that call external APIs (such as URL fetchers) only send the data required for that request.
Change video width while keeping aspect ratio. Open the tool in your browser — no account or install required.
Yes — local ffmpeg.wasm.
No — processing runs locally in your browser. Your files and inputs do not leave your device unless the tool explicitly uses the network.
