Item logo image for MP4 视频时长修改器

MP4 视频时长修改器

ExtensionTools
Item media 2 (screenshot) for MP4 视频时长修改器
Item media 1 (screenshot) for MP4 视频时长修改器
Item media 2 (screenshot) for MP4 视频时长修改器
Item media 1 (screenshot) for MP4 视频时长修改器
Item media 1 (screenshot) for MP4 视频时长修改器
Item media 2 (screenshot) for MP4 视频时长修改器

Overview

直接编辑 MP4 文件数据来调整时长信息，无需重新编码。

修改 MP4 视频文件时长信息，无需重新编码，播放器中会按修改时长播放，在浏览器中会按真实时长播放。

0 out of 5No ratings

Learn more about results and reviews.

Details

  • Version
    1.0.2
  • Updated
    May 31, 2026
  • Offered by
    jkqq008
  • Size
    11.26KiB
  • Languages
    中文（中国）
  • Developer
    Email
    357846077@QQ.COM
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Related

Video Resizer

0.0

Easily resize video files right in your browser!

Video Converter

3.0

Convert any video file to selected formats (i.e. mp4) inside your browser!

Webpage to Video

3.3

Converts web pages or local HTML files you are currently looking at into videos. The videos are produced in the mp4 (H264) format.

Video to Text (MP4, MOV) – AI Transcriber

5.0

Transcribe any MP4, MOV or video file to text in seconds. Upload your file — get accurate AI transcript. Free.

WEBM to MP4 converter: WebCodecs and FFmpeg support

4.2

🎬 Convert WEBM to MP4 instantly and securely. No server uploads, unlimited file conversions, works locally in your browser.

Video Speed Controller

5.0

Extension to change video playback speed

Offline Video Converter for Chrome

5.0

Convert video and audio files locally in Chrome. Fast offline converter for MP4, WebM, MOV, MP3 and more.

Video Downloader - MPMux

4.9

A professional online video downloader for saving videos such as mp4,m3u8,hls,live.

Handbrake - video converter

5.0

Convert videos from nearly any format to a selection of modern, widely supported codecs.

MP4 to MP3 converter

4.5

Use the MP4 to MP3 app for fast and high-quality conversion from mp4 to mp3, absolutely free.

MP3 Converter

0.0

Convert sound fast with mp3 converter. Easily video to mp3, convert mp4 to mp3, and change your audio format right in Chrome.

Video Converter

3.0

Convert videos to MP4, MKV, MOV, WEBM, AVI – all locally in your browser. Fast, private, and easy to use. No uploads, no data leaks.

Video Resizer

0.0

Easily resize video files right in your browser!

Video Converter

3.0

Convert any video file to selected formats (i.e. mp4) inside your browser!

Webpage to Video

3.3

Converts web pages or local HTML files you are currently looking at into videos. The videos are produced in the mp4 (H264) format.

Video to Text (MP4, MOV) – AI Transcriber

5.0

Transcribe any MP4, MOV or video file to text in seconds. Upload your file — get accurate AI transcript. Free.

WEBM to MP4 converter: WebCodecs and FFmpeg support

4.2

🎬 Convert WEBM to MP4 instantly and securely. No server uploads, unlimited file conversions, works locally in your browser.

Video Speed Controller

5.0

Extension to change video playback speed

Offline Video Converter for Chrome

5.0

Convert video and audio files locally in Chrome. Fast offline converter for MP4, WebM, MOV, MP3 and more.

Video Downloader - MPMux

4.9

A professional online video downloader for saving videos such as mp4,m3u8,hls,live.

Google apps