Video size
Instagram Feed video size
4:5 is the tallest ratio the feed shows without cropping, so it takes the most vertical space on a scrolling screen. That extra height is free attention.
- Resolution
- 1080x1350
- Aspect ratio
- 4:5
- Also accepted
- 1:1 · 16:9
File: MP4 or MOV, H.264 video, AAC audio.
Length: Feed video is the shortest-attention surface on Instagram. The first two seconds decide the rest.
Dimensions and ratios are stable. Length and file caps change often, these were checked in July 2026. Platform docs.
Crop calculator
Put in the size of the footage you have. You get the largest 4:5 crop that fits inside it, where to place it, and what to export.
- Crop box
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- Offset from top left
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- Trimmed away
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- Export at
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Shaded bands are where the Instagram interface sits. Keep text and faces out of them.
Do the crop on your phone
Cropzen crops, trims and resizes video to these ratios on Android. No watermark, no sign-up, exports up to 4K.
What to watch out for on Instagram
- Square still works but gives up roughly a quarter of the screen height to nothing.
- The feed has no UI overlay on the video itself, so the whole frame is usable.
- A 9:16 export dropped into the feed gets centre-cropped to 4:5, so check what survives.
Questions people ask
What size should a Instagram Feed video be?
1080 by 1350 pixels, an aspect ratio of 4:5. 4:5 is the tallest ratio the feed shows without cropping, so it takes the most vertical space on a scrolling screen. That extra height is free attention.
Which aspect ratio does Instagram accept besides 4:5?
1:1, 16:9 all upload, but they show bars or get cropped. 4:5 is the one that fills the frame.
Where does the Instagram interface cover the video?
This surface shows the full frame with no interface over the video, so the whole area is usable.
How do I crop a video I already shot to this size?
Use the calculator on this page to get the exact crop box, then apply it in any editor. On Android, Cropzen does it in a few taps with no watermark and no sign-up.