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TOOL · 16 · Convert

Audio / Video Converter

Convert MP4, WebM, MP3 and WAV right in your browser.

First run downloads ffmpeg (~30 MB) over the network. Big files can take minutes — keep the tab open.

Drop files here or click to browse

One audio or video file

Convert to

How it works

  1. Step · 01

    Drop an audio or video file. Common formats like MP4, MOV, WebM, MP3 and WAV work.

  2. Step · 02

    ffmpeg.wasm runs the conversion in your browser — no files uploaded to a server.

  3. Step · 03

    Progress updates as it works, then the converted file downloads.

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Frequently asked questions

Is this tool really free?
Yes. Every tool on EasyFileMagic is 100% free with no signup, no watermarks, no page limits, and no software to install.
Are my files uploaded to a server?
No. Files are processed directly in your browser using JavaScript and WebAssembly. Nothing is uploaded to our servers, so your documents never leave your device.
Does it work on mobile?
Yes. The tools run in any modern browser on desktop, tablet, or mobile (Chrome, Edge, Safari, Firefox). Very large files may be slower on low-end phones.