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OneFileConverter
Video

Resize a video for YouTube

YouTube plays regular videos at 16:9. This preset fits your clip into a 1920×1080 frame without cutting anything off.

Formats
MP4, MOV, WEBM +2
Max size
4 GB
Price
Free

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MP4, MOV, WEBM, MKV, TS · up to 4.00 GB per file

Related tools

Compress VideoShrink MP4, MOV and WebM videos — or hit a target size in MB.Trim VideoCut a clip from a video by start and end time.Resize ImageChange dimensions by pixels, percent or social-media presets.

How to resize a video for YouTube

  1. Add your video — vertical, square or landscape.
  2. 16:9 at 1080 px with Fit is set, so nothing is cut; choose Fill to crop to the frame instead.
  3. Click Resize and upload the MP4 to YouTube.
Why are there bars on the sides?

A vertical or square clip is narrower than 16:9, so Fit adds bars rather than cropping your picture. Choose Fill to crop it to the frame instead.

Should a vertical video go up as a Short instead?

If it's short and vertical, YouTube Shorts shows it full-screen without bars — keep it 9:16. Use this preset for regular, landscape uploads.

Why 1920×1080?

It's full HD, the most common upload resolution: sharp on laptops and TVs, quick to process, and YouTube makes smaller versions from it automatically.

Is my video safe?

Yes. Your video is only used to create your result — it’s never shared and never used to train AI.

Which browsers work?

Recent Chrome, Edge and Safari 17+ work best. Firefox supports most tools; if a codec isn't available we'll tell you.