How to Rotate a Video for Instagram
The fastest way to rotate a video for Instagram is to use the Rotate tool in the reel clip editor, but only if the clip was actually filmed sideways. Here's how to tell the difference, and what rotating costs you in pixels.
Rotate a video for Instagram in the reel clip editor
Instagram documents its reel clip-editing tools as Scale, Crop, Rotate, Undo and Redo. Rotate handles the common case: a phone held the wrong way, a clip that arrives on its side, a quarter turn to put it right.
That's a genuinely small job and the in-app tool covers it. The trouble starts when rotation is used for something it doesn't do.
Rotating a landscape clip costs you width
Meta's publishing documentation caps reels at a maximum of 1,920 horizontal pixels. That number is easy to skim past until you rotate something.
Take a standard 1920×1080 landscape clip. Rotate it and the 1,920 becomes the vertical dimension, leaving 1,080 pixels of width, which is exactly the width a vertical reel wants, but you've now got a shot lying on its side, with a horizon running top to bottom. Rotation gave you the right shape and the wrong image.
If the clip is level and you just want it vertical, the operation you need is cropping into it, and that means throwing away roughly two-thirds of the width. Knowing that up front is better than discovering it at the export screen.
Seeing the real frame before you export
The reason rotation surprises people is that the preview and the output rarely match. You turn the clip in a small window and find out what it really looks like after upload.
Montaj previews in the frame it exports in: vertical 9:16, at the same proportions the file comes out in, so what's on screen while you reposition a shot is what lands in the file. There's a real timeline underneath, 100 levels of undo if a rotation turns out to be the wrong call, and no watermark on the way out. Everything happens on your device, so nothing is uploaded while you're still deciding. When you rotate a video for Instagram, being able to see the consequence before committing is most of the battle.
Rotating a video for Instagram in 4 steps
- 1
Work out whether you need to rotate or reframe
A clip filmed sideways needs rotating. A landscape clip that's the right way up doesn't. It needs reframing, and rotating it just makes it sideways.
- 2
Use Rotate in the reel clip editor
Instagram documents Scale, Crop, Rotate, Undo and Redo among its reel clip-editing tools, so a quarter-turn can happen inside the app.
- 3
Check what the rotation did to your resolution
Meta's publishing documentation caps reels at 1,920 horizontal pixels. Turn a 1920x1080 clip on its side and the long edge becomes the height, leaving 1,080 pixels of width to fill a vertical frame.
- 4
Preview the rotated frame before you commit
Rotation changes which part of the shot is near the edge. A subject that was comfortably framed horizontally can end up cut off vertically.
The verdict
— Kenji, Content Creator & Strategist