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视频压缩器

直接在您的浏览器中减小视频文件大小。

Your files stay on your device - processed locally via WebAssembly, never uploaded

Drop your videos here

MP4, WebM, MOV, AVI, MKV, GIF - or click to browse

Compression presets, resolution, quality, and format options will appear after you add a video.

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Copy this code to add the 视频压缩器 to your site for free. It runs entirely in your visitors' browsers - no API key, no usage limits.

<iframe src="https://optipix.art/embed/video-compressor" width="100%" height="600" style="border:1px solid #e4e4e7;border-radius:8px;" title="视频压缩器 by OptiPix" loading="lazy"></iframe>
<p style="font-size:12px">Free tool by <a href="https://optipix.art/video-compressor">OptiPix 视频压缩器</a></p>

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About 视频压缩器

Last updated: May 2026

OptiPix 视频压缩器可让您在不将视频上传到任何服务器的情况下减小视频文件大小。它利用浏览器内置的 MediaRecorder API 并结合基于 Canvas 的帧处理,以较低的比特率重新编码视频,同时保持合理的视觉质量。这对于在 WhatsApp、电子邮件或其他有严格文件大小限制的平台上共享之前压缩视频尤其有用。该压缩器支持 MP4、WebM 和 MOV 输入格式,并输出优化的 WebM 或 MP4 文件。您可以调整目标质量,以在文件大小和视觉保真度之间找到适当的平衡。由于所有处理都在您的浏览器中进行,因此没有上传等待时间,没有服务器施加的文件大小限制,并且完全保护隐私--在整个过程中,您的视频都保留在您的设备上。处理速度取决于您设备的硬件,现代计算机可以快速处理大多数视频。

How It Works

该压缩器使用浏览器的 MediaRecorder API 以较低的比特率重新编码视频帧。每个帧都会绘制到一个 Canvas 元素上,然后作为新媒体流的一部分重新捕获,最后以您指定的质量级别编码为输出格式。

Use Cases

  • •为 WhatsApp 的 16 MB 文件大小限制压缩视频
  • •在附加到电子邮件之前减小视频大小
  • •准备有大小限制的视频以上传到社交媒体
  • •通过压缩存档视频来释放设备存储空间
  • •优化用于网页嵌入的视频内容

You Might Also Like

If you find 视频压缩器 useful, check out these related tools: Image Compressor, Video to Audio Extractor, and Video Trimmer. All tools run entirely in your browser with no uploads or signups required.

Explore more: Browse all tools · Step-by-step guides · Tips & tutorials · Compare tools

Frequently Asked Questions

支持哪些视频格式?
该压缩器接受 MP4、WebM 和 MOV 文件作为输入。输出格式为 WebM,它提供了出色的压缩率。
是否有文件大小限制?
由于处理在您的浏览器中进行,因此没有服务器强制的文件大小限制。但是,非常大的文件(超过 500 MB)可能需要较长的处理时间,具体取决于您设备的内存和处理能力。
视频可以压缩多少?
压缩率因内容而异,但典型的缩减幅度为 30-70%,具体取决于原始编码和您的质量设置。
压缩我的视频会降低质量吗?
重新编码在一定程度上会降低质量,但在中等设置下,对于大多数用例(如在社交媒体或通过消息应用程序共享),差异很小。
这在手机上有效吗?
是的,尽管在移动设备上处理大型视频可能比在台式计算机上慢,并且消耗更多电池。

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