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Convert Video to MP4 — Free Online Converter

Convert your videos to MP4 format. Instantly. No sign-up required.

Drop your video file here

or click to browse

Accepted formats: AVI, MOV, MKV, WMV, FLV, WEBM

Max file size: 100 MB (single file)

Your files never leave your device

Compress the video?

Reduce file size while keeping quality

How to convert video to mp4

  1. 1.Upload your video file using the drop zone above
  2. 2.Click "Convert to MP4" to start the conversion
  3. 3.Download your converted MP4 file

About This Tool

MP4 is the most widely supported video format, playable on virtually every device, browser, and media player. Our free convert video to mp4 tool handles AVI, MOV, MKV, WMV, FLV, and WebM inputs, re-encoding them with the H.264 codec for maximum compatibility.

The entire conversion runs inside your browser using FFmpeg.wasm — a WebAssembly build of the industry-standard FFmpeg toolkit. Your video files never leave your device, making it safe to convert video to mp4 even with confidential or personal footage.

There are no file-count limits, no watermarks, and no accounts to create. Just drop your video and get a ready-to-share MP4 in seconds.

Frequently Asked Questions

You can convert AVI, MOV, MKV, WMV, FLV, and WebM files to MP4. The tool uses the H.264 video codec, which offers excellent quality and broad device compatibility.

There is no hard limit, but because processing happens in your browser, very large files (over 500 MB) may be slow or cause memory issues depending on your device.

No. All conversion happens locally in your browser using WebAssembly. Your video never leaves your device.

Re-encoding always involves some generation loss, but the tool uses H.264 with a fast preset that maintains excellent visual quality. The output is suitable for sharing, streaming, and archiving.

Speed depends on the file size and your device. A typical 100 MB video takes 30-90 seconds on a modern computer.

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