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OnlyCompress

Video to MP4

Convert MOV, AVI, MKV, WMV, WEBM, FLV, MPEG, and other popular video formats to MP4. Batch convert multiple video files while maintaining high video quality. Your files never leave your device — everything is processed locally in your browser. Completely free to use.

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Select Video Files

Drag & Drop video files here, or use Paste (Ctrl + V / ⌘ + V) to import instantly.

MP4 Conversion Guide

  1. What is an MP4 video?

    MP4 (MPEG-4 Part 14) is one of the most widely used video formats. It is supported by nearly all devices, browsers, media players, and social media platforms. MP4 provides excellent video quality while keeping file sizes relatively small, making it ideal for playback, sharing, uploading, and storage.

  2. Why convert videos to MP4?

    Some video formats are not supported by all devices, browsers, or media players. Converting MOV, AVI, MKV, WEBM, and other formats to MP4 improves compatibility and makes videos easier to play, edit, upload, share, and store.

  3. How to convert videos to MP4?
    • Click the Select Video Files button or simply drag and drop your video files onto the page.
    • Click the Convert button to convert your videos to MP4 format.
    • Click Save to download your converted MP4 files.
  4. When should you convert videos to MP4?
    • Device Compatibility

      MP4 works on nearly all smartphones, computers, TVs, and media players for smooth playback.

    • Social Media Sharing

      Most social media platforms and video websites recommend or require MP4 uploads.

    • Web Video

      MP4 is the standard format for HTML5 video and is supported by all major web browsers.

    • Video Editing

      Convert different video formats to MP4 for easier importing into video editing software.

    • Email & File Sharing

      MP4 offers excellent compatibility, making videos easier to send through email and messaging apps.

    • Mobile Storage

      MP4 provides a good balance between video quality and file size, making it ideal for phones and tablets.

    • Online Courses & Presentations

      Convert lectures, tutorials, and presentation videos to MP4 for easy playback and distribution.

    • Long-Term Storage

      MP4 is a universal video format, making it an excellent choice for archiving and backing up videos.

  5. Your Privacy Matters
    • 100% Local Processing — Your files never leave your device. All conversions happen securely in your browser.
    • No File Uploads — Your files are never sent to any server, ensuring complete privacy.
    • Privacy First — We do not view, store, or collect any of your files or personal data.
    • No Registration Required — Start converting instantly without creating an account.
    • Your Original Files Stay Safe — Converted files are created as new files, leaving the originals untouched.