video converter

format converter

Convert local videos to MP4, MOV, MKV, AVI, M4V, WebM, or TS in the browser for easier playback, editing, and sharing. Con ffmpeg.wasm ejecutado en un Web Worker dedicado, el vídeo se procesa únicamente de forma local; los resultados de la compresión se previsualizan con HLS.js.

Loading video converter…

¿Para qué es adecuado video converter?

Video conversion helps turn MOV, AVI, MKV, WebM, and other common files into MP4, MOV, MKV, AVI, M4V, WebM, or TS. The tool runs ffmpeg.wasm in a Web Worker, and the input file is read only in the current browser.

Results can be previewed and downloaded immediately. First use downloads FFmpeg Core, and processing speed depends on duration, codec, and device performance.

Formatos admitidos: MP4, MOV, MKV, AVI, M4V, WebM, TS; límite de archivo único: 500MB.

Cómo utilizar video converter

  1. Paso 1

    Select video

    Upload a browser-readable video up to 500MB.

  2. Paso 2

    Choose output format

    Choose MP4, MOV, MKV, AVI, M4V, WebM, or TS, then start local transcoding.

  3. Paso 3

    Preview and download

    Confirm the converted video plays correctly, then download it.

Preguntas frecuentes

Will video conversion upload my file?

No. Video is processed with ffmpeg.wasm in a browser Worker; network requests only download FFmpeg Core.

Which output format should I choose?

MP4 is usually the most compatible; MOV/M4V fit Apple workflows; MKV/AVI/TS fit some players or editors; WebM is useful for web playback.

Can the converted file be larger?

Yes. Size depends on the source bitrate, codec, duration, and content complexity.

Fuentes de tecnología y datos

  • ffmpeg.wasm Official FFmpeg project documentation for running FFmpeg in the browser.
  • Comlink Open-source RPC library for communication between the page and a Web Worker.