Convert MP4 to WEBM Online — Free & Fast | AnyConv

MP4 to WEBM Converter

Quickly convert multiple mp4 files to webm — free & online.

Drag & drop your files here or click to upload

How to convert MP4 to WEBM online

Follow these simple steps to convert mp4 files to webm using AnyConv. It works on all devices — Windows, Mac, Linux, iPhone, Android.

Upload your MP4 file

Drag & drop your file into the upload area. You can also click to select it manually. Max file size: 100 MB.

Start converting

Hit the “Convert” button to turn your MP4 into WEBM. The process usually takes just a few seconds.

Download your WEBM

Once ready, download your converted file instantly. The download link is private and only works on your device.

What is a MP4 file?

MP4 (MPEG-4 Part 14) is one of the most widely used video container formats in the world. It supports high-quality video and audio, subtitles, and still images in a compact file size.

MP4 is ideal for streaming, downloading, and sharing content across nearly all devices and platforms, making it a universal standard for video.

How to open MP4 files

MP4 is universally supported by nearly every media player, browser, and mobile device. It works on Windows, macOS, iOS, Android, and Linux without the need for additional codecs.

Use AnyConv to convert MP4 to other formats like AVI, MOV, or MKV depending on your needs.

Key facts about MP4

  • Full name: MPEG-4 Part 14
  • Extension: .mp4
  • MIME type: video/mp4
  • Developed by: ISO/IEC
  • Initial release: 2001

Useful links and resources

What is a WEBM file?

WEBM is an open, royalty-free video format designed for the web, developed by Google. It uses the VP8 or VP9 video codec and the Vorbis or Opus audio codec, optimized for fast streaming and web integration.

WEBM is widely supported by modern browsers and platforms like YouTube. It delivers high-quality video with efficient compression, making it perfect for online playback.

How to open WEBM files

WEBM files are supported by all major web browsers (Chrome, Firefox, Edge) and media players like VLC. They are ideal for embedding videos on websites.

Use AnyConv to convert WEBM to MP4 or MOV for offline use or editing.

Key facts about WEBM

  • Full name: Web Media File
  • Extension: .webm
  • MIME type: video/webm
  • Developed by: Google
  • Initial release: 2010

Useful links and resources

Convert to WEBM

Want to get a file in WEBM format? Choose the original format you’re starting with — AnyConv can quickly convert dozens of file types into WEBM.

❓ Frequently Asked Questions

Answers to common questions about converting MP4 to WEBM
  • Do I need to register to convert MP4 files?
    Not at all! You can convert MP4 to WEBM without signing up or installing anything.
  • Is it safe to convert MP4 to WEBM on AnyConv?
    Absolutely. All MP4 and WEBM files are securely handled and automatically deleted after 1 hour. Nobody can access your data.
  • Will the quality change after converting MP4 to WEBM?
    We do our best to preserve the original quality during MP4 to WEBM conversion. The result is accurate and clean.
  • How long does it take to convert MP4 to WEBM?
    Most conversions from MP4 to WEBM take just a few seconds — even for larger files.
  • Can I upload more than one MP4 file?
    Yes, batch conversion is supported. You can convert multiple MP4 files to WEBM at once — fast and easy.
  • What browsers support MP4 to WEBM conversion?
    All modern browsers! Chrome, Firefox, Safari, Edge — AnyConv runs online and supports converting MP4 to WEBM on any platform.
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