Which aspect ratios are supported?
Use 16:9, 9:16, 1:1, 4:5, or custom dimensions up to 3840 pixels per side.
Resize Video Online
Resize video for Shorts, Reels, feeds, and widescreen publishing without uploading it.
Settings
Private by default. Browser processing never uploads your files. Server mode always asks first and deletes temporary files after 24 hours.
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Open toolExplore complete editing workflows
See how this utility fits into a larger publishing workflow.
Will resizing crop my video?
Choose Crop to fill the frame, or Fit to keep the full picture with a background.
Need captions, smart cuts, or a complete edit?
Open Reeloft's AI video editor to turn raw footage into an editable project.
Try the AI video editor