SEERSeerKits

在线为视频添加音频

替换或叠加音乐、旁白与音效,导出前混音。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 Add Audio to Video.

Supported Input Formats

mp4movwebmmkv

Available Output Formats

mp4webm

Usage Limits

Free tier limits for Add Audio to Video on the web.

  • Max file size

    200 MB per file

  • Daily free uses

    8 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 为视频添加音频

  1. 1

    上传视频与音频

    选择视频及要添加或替换的音频。

  2. 2

    混音电平

    调节原声与新音轨平衡。

  3. 3

    导出合成视频

    合并轨并下载。

Need more power?

Take 为视频添加音频 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

能保留原声并加音乐吗?
可以 — 混合对白与背景音乐并调节相对电平。
支持哪些音频格式?
可导入 MP3、AAC、WAV、M4A,搭配 MP4、MOV、WebM。
画质会变吗?
仅替换或混合音轨时视频流不变。