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Video Compress — Tutorial

Video Compress tool re-encodes video via server-side FFmpeg, reducing bitrate…

Video Compress: Reduce Video File Size

Features

  • Server-side transcoding: Processed by FFmpeg after upload — better quality retention than browser wasm solutions.
  • Parameter dialog: Opens automatically after local probe; defaults to original settings; width, height, bitrate, and frame rate are editable numbers (sliders stay in sync). OK stays disabled until you change at least one setting.
  • File estimate: Read-only approximate size (e.g. ≈12.3MB, no background); not a final size guarantee.
  • Stage preview fits the video’s real aspect ratio (contain, portrait/landscape); click the picture to play/pause (no native browser controls); desk toolbar is Back / Re-compress / Download.

Use Cases

  • WeChat, email, or backend system video size limits — compress before uploading.

FAQ

What limitations should I know?

At least one setting (bitrate, frame rate, or resolution) must differ from the original before you can confirm.

When might it fail?

Longer videos and higher resolution mean longer processing times.

What else should I watch for?

Files exceeding 50MB or 15 minutes will be rejected.

Any other important notes?

Do not upload confidential or unauthorized videos.