SEERSeerKits

在线调整视频速度

将播放速度在 0.25× 至 4× 间调节,用于延时、慢动作与紧凑剪辑。本地处理 — 200 MB 以内免费。

Local Processing

Drag and drop your file here

or click to browse from your device

mp4movwebmmkv

Maximum file size: 200 MB

Import fromOneDrive URLs supported

Supported Formats

File types you can use with Change Video Speed.

Supported Input Formats

mp4movwebmmkv

Available Output Formats

mp4webm

Usage Limits

Free tier limits for Change Video Speed on the web.

  • Max file size

    200 MB per file

  • Daily free uses

    12 conversions per day

  • Batch limit

    Up to 1 file at once

Need more? Try the Seer app for expanded limits.

Privacy & Processing

如何使用

如何使用 SeerKits 调整视频速度

  1. 1

    上传视频

    选择要加速或减慢的片段。

  2. 2

    设置倍速

    选预设或输入如 1.5×、0.5×。

  3. 3

    导出变速视频

    处理并下载。

Need more power?

Take 调整视频速度 further with Seer Video

The web tool is perfect for quick jobs. When you need bigger files, batch workflows, or pro-grade controls, continue in the Seer app ecosystem — same privacy-first approach, more headroom.

  • Larger file limits beyond the web free tier
  • Batch processing for multiple files at once
  • Advanced codec and quality options
  • Offline processing when you need it on the go
Download Seer Video

常见问题解答

变速会改变音调吗?
默认音调随速度变化。Seer Video 可保 pitch 使人声自然。
支持多大范围?
网页版 0.25×–4×。更慢慢动作见 Seer Video。
能只改一段速度吗?
请先用视频剪切取出片段再变速。