Resize Video Online

Reduce your video resolution and file size in seconds

選擇影片檔案

或將影片拖放到此處

Drop video file here

支援的格式：MP4、AVI、MOV、WMV、FLV、MKV

Output resolution

Resizing your video...

Video Resized Successfully!

Your video has been resized. Preview it below or download it.

如何運作？

Upload video

Select your video or drag & drop it above

Pick resolution

Choose 1080p, 720p, 480p, 360p or 240p

Process

We resize your video while keeping aspect ratio

Download

Download your resized video as MP4

為什麼使用此工具？

Safe & Secure

Files are encrypted during transfer and automatically deleted within 1 hour. Your videos are never stored or shared.

No Installation

Works in any browser on any device. No software to download, no accounts to create.

Free to Use

無需註冊 - 免費版，可選升級 Premium

Fast & Easy

Get your resized video in seconds — smaller file, ready to share.

Easy to Use

易於使用 - 簡單的拖放介面

Audio Preserved

Your original audio stays intact, perfectly synced with the resized video.

Frequently Asked Questions

Smaller resolutions mean smaller file sizes — easier to upload, share, or send by email or messaging apps.

Your resized video is delivered as a high-quality MP4 file (H.264), compatible with all devices and platforms.

No — we preserve your original aspect ratio. The video is just scaled down proportionally to the chosen height.

No — upscaling does not add real detail and just makes the file bigger. Only resolutions smaller than your source are available.