Instagram grid planner and feed layout preview
The short answer
This planner previews how 9–12 of your own images will look as a 3-column Instagram profile grid of 3:4 tiles, and exports each one as a 1080 × 1350 (4:5) post — checked 29 October 2026.
Source: Instagram Help — photo resolution · Last checked · CORROBORATED
Instagram’s Help Center says photos are shared at up to 1080 px wide, and Meta’s developer documentation accepts feed images from 4:5 to 1.91:1, so 1080 × 1350 is the tallest full-resolution post that every publishing route accepts. The Help Center article body renders with JavaScript, so the figure is corroborated rather than quoted. The profile grid has shown 3:4 tiles since January 2025; Instagram publishes no tile size, so the centred 3:4 crop here is the default before you adjust the grid preview.
Grid workbench
Add 9 to 12 images
Select them all at once. They stay on your device — this planner never connects to Instagram.
Nothing is uploaded. The file is read by this tab only.
Runs on your device. Your image is decoded, cropped and encoded by this browser tab. It is never uploaded, and there is no image-processing service behind this page.
Why this asset is awkward
A profile grid is read as one composition, three tiles at a time. Posts that look fine individually can produce a grid with three dark images in a row or all the text stacked down one column, and you only find out after publishing.
This planner arranges your images into the 3-wide grid, lets you reorder them by drag or keyboard, and shows the 3:4 crop Instagram now takes from each. It is a preview tool: there is no Instagram login, no scheduling and no publishing — you export the tiles and post them yourself.
Exact specification
| Asset | Pixels | Ratio | Formats | File limit |
|---|---|---|---|---|
| Instagram post (portrait) | 1080 × 1350 | 4:5 | png, jpeg | Not published |
What the overlays mean
Since early 2025 the profile grid shows 3:4 tiles rather than squares. Each tile here shows that centred 3:4 window of the exported 4:5 post, which trims a thin strip from each side. A square post loses more, an eighth of its width on each side, which is the most common reason an old-style square layout looks wrong on a profile today.
- Profile grid crop (3:4): keep content here
- The profile grid shows 3:4 tiles, so a 4:5 post loses a thin strip (about 34 px) from each side there. The feed still shows the whole post.
Three things that go wrong
- 01
Read the grid in rows of three
That is how it renders. Alternating light and dark across each row of three does more for a profile than any individual post.
- 02
Newest goes top-left
The planner shows newest first, matching Instagram. Plan the next three posts, not the last nine.
- 03
Export the tiles you actually changed
If you only re-cropped two images, export those two. The rest are already posted.
Questions people actually ask
Does this planner post to Instagram?
No. There is no Instagram login, no API connection and no scheduling. It previews the grid and exports image files; publishing stays with you.
How many images should I plan at once?
Nine fills the visible grid on most screens; twelve gives you a row of headroom. Beyond that you are planning further ahead than Instagram’s ordering will reliably survive.
What size are Instagram profile grid tiles now?
They are 3:4 portrait rectangles, not squares, since Instagram changed the grid in early 2025. Instagram does not publish a tile size. Posting at 1080 × 1350 (4:5) keeps the whole image in the feed and loses only about 34 pixels from each side in the grid, which is why the planner exports at that size.
Why does my post look cropped in the grid?
Because the grid tile is 3:4 and your post probably is not. A square post loses an eighth of its width on each side; a 9:16 Reel cover loses its top and bottom. The planner shows the crop so you can reposition before posting rather than after.
More Instagram sizes
Need several of these at once? The One Image to Social Pack takes a single focal point and exports every destination you choose as one ZIP with a manifest.