Video Format Converter

Convert video formats free — switch between MP4, WebM, AVI and MOV with quality control. FFmpeg browser-based, no server upload required.

Video Format Converter supports conversion between 4 formats: MP4, WebM, AVI, MOV. Powered by FFmpeg WASM, all processing runs in your browser — no files are uploaded to any server. Automatic codec selection, free, no installation required.

Drag & drop a video or click to select
lock Your files never leave your device

How to use Video Format Converter?

  1. Upload the video you want to convert.
  2. Select the desired output format (MP4, WebM, AVI, MOV).
  3. Convert and download.

Frequently asked questions about Video Format Converter

Which format has the best compatibility?

MP4 is supported on almost all devices and platforms, making it the most universal format.

How to get the most out of Video Format Converter?

  • Choose MP4 (H.264) for maximum compatibility — it plays on virtually all devices.
  • WebM offers smaller file sizes for web-only use and is well-supported by modern browsers.
  • Convert MOV files from Apple devices to MP4 for easier sharing across platforms.

Related Tools

Video to GIF

Convert video to GIF online free — turn MP4, WebM or MOV into animated GIFs. Set time range, FPS and size. Browser-based, no upload.

Video Compressor

Compress video online free — reduce MP4, WebM and MOV size by adjusting resolution and bitrate. FFmpeg browser-based, fully private.

Video Trimmer

Trim videos online free — set precise start and end times to extract segments from MP4, WebM or MOV. FFmpeg browser-based, no upload.

Video to Audio

Extract audio from video online free — convert MP4, WebM or MOV to MP3 or WAV. FFmpeg browser-based processing, fast and private.