欢迎使用智能文件转换平台

上传文件开始转换，支持本地文件上传或远程链接导入

${shortenFileName(item.file_name)} ${formatBytes(item.file_size)}

输出格式：

已上传 ${items.length} 个文件

Convert

如何将Mp4文件转换为WEBM？

点击「选择MP4文件」按钮上传您的源文件
点击「立即转换」启动智能转码流程
状态显示「转换完成」后，点击「下载WEBM」获取文件

全场景MP4 to WEBM格式兼容转换

本工具支持将多种类型的 Mp4 转换为 WEBM。可将 AVI, MKV, MOV, WEBM, FLV AND MPEG 转换为 WEBM。

行业领先的Mp4格式转换专家

智能优化算法保障Mp4转换质量，支持批量处理与自定义分辨率/码率/帧率设置

零成本·军工级安全

基于浏览器即点即用，采用金融级256位SSL加密传输，所有文件72分钟后自动焚毁

What is an MP4 (MPEG-4 Part 14) file?

MP4 (MPEG-4 Part 14) is a widely used multimedia container format that supports video, audio, subtitles, and image data. It is based on the MPEG-4 standard and is designed to efficiently compress multimedia content, resulting in smaller file sizes while maintaining high quality. MP4 format is widely adopted across various devices and platforms, including smartphones, tablets, game consoles, and personal computers. Popular players such as VLC, QuickTime Player, and Windows Media Player can play MP4 files seamlessly. Additionally, many online video services like YouTube and Netflix use MP4 format for storing and streaming video content. MP4 format is also popular on social media platforms such as WeChat and Weibo, making it the preferred format for sharing videos. It is widely used in mobile devices for storing and playing videos efficiently.

How to open an MP4 file?

MP4 files can be opened using various players such as VLC, QuickTime Player, or Windows Media Player. Most modern operating systems, including Windows, macOS, and Linux, come with built-in support for MP4 format. You can also play MP4 files directly in your browser if it supports the HTML5 video tag. Mobile devices such as iPhone and Android also have built-in support for MP4 format. If you encounter issues playing an MP4 file, try the following methods:

Check File Integrity: Ensure the MP4 file is not corrupted.
Update Player: Make sure you are using the latest version of your player.
Install Codecs: In some cases, you may need to install additional codecs to support MP4 files. For example, on Windows, you can install K-Lite Codec Pack.
Use Online Players: If local players cannot open the file, try using an online video player, such as Online Video Converter.
Convert File Format: If none of the above methods work, consider converting the MP4 file to another format, such as AVI or MKV. You can use FFmpeg to easily convert formats, with the following command:

ffmpeg -i input.mp4 output.avi

开发团队： MPEG
首发时间： 2001
相关链接：

https://en.wikipedia.org/wiki/MP4

What is an WEBM file?

WEBM is an open-source video format optimized for web video streaming, widely used in web video playback. It uses VP8 or VP9 video codecs and Vorbis or Opus audio codecs, supporting efficient streaming. For more information, check WEBM Wikipedia.