Online Video Compressor: Free Video Compressor with Size Estimate and Preview

专为Free Video Compressor with Size Estimate and Preview打造的页面。使用Online Video Compressor,体验与主工具完全相同的完整流程,无需注册,无需登录。

该工具的内容尚未完全翻译成中文,目前展示的是英文版本。我们正在逐步翻译所有工具,如果你希望我们优先翻译某个工具或有其他建议,欢迎点击右下角的 建议工具 按钮告诉我们。

使用该工具

Online video compressor

Compress multiple videos directly in your browser, control compression level, and preview before download.

Videos to compress

Batch upload is supported. Processing is local and may take longer for large files.

Add videos to start compression.

On first run, the compression engine may download assets and start slower.

Videos are processed locally in your browser. No automatic server upload is performed by default.

打开针对具体任务优化的版本,同时保留主工具的完整功能。

快速指南与实用说明

In-browser video compression

This tool compresses videos directly in the browser, with no desktop installation required.

You can process multiple files in one queue and keep track of progress file by file.

Compression control with expected final size

The compression slider lets you choose lighter or stronger reduction depending on your quality target.

Before processing, the tool shows an estimated output size based on duration and target profile to help you decide quickly.

  • Lower compression for better quality retention.
  • Medium compression for day-to-day uploads.
  • Higher compression for stricter file-size limits.
  • Batch queue for handling several videos at once.

Privacy and performance notes

Videos are processed locally in the browser by default, without automatic upload to a backend service.

Large high-resolution videos demand more RAM and CPU, so conversion time depends on your device performance.

常见问题

Can I compress multiple videos in one go?

Yes. Batch upload is supported and each video is processed with an individual status.

Can I control compression strength?

Yes. The compression level slider lets you choose the reduction intensity.

Is the final-size estimate exact?

It is an estimate based on duration and compression profile. Actual output can vary by codec and scene complexity.

Are videos uploaded to a server?

No by default. Processing happens locally in your browser.

Does it work on mobile devices?

Yes, but large files may take longer on lower-power devices.

相关链接,帮助你继续完成类似任务,无需重新开始。

隐私与本地处理

本页面的工具直接在你的浏览器中运行,不会将输入内容发送到后端服务器。这样可以提升隐私保护并降低延迟。