{
 "article": "/blog/posts/post-landscape-photo-instagram-without-cropping",
 "instagram_rule": {
  "source": "https://help.instagram.com/1631821640426723",
  "checked": "2026-10-14",
  "summary": "Kept at original resolution up to 1080 px wide when the ratio is between 1.91:1 and 3:4 (1080 x 566 to 1080 x 1440); other ratios are cropped to a supported ratio."
 },
 "ratios": [
  {
   "ratio": "1:1",
   "width_over_height": 1.0,
   "within_instagram_range": true,
   "posted_size_px": "1080 x 1080",
   "width_kept_by_centre_3_4_crop_pct": 75.0,
   "share_of_3_4_frame_filled_by_photo_pct": 75.0
  },
  {
   "ratio": "4:3",
   "width_over_height": 1.333,
   "within_instagram_range": true,
   "posted_size_px": "1080 x 810",
   "width_kept_by_centre_3_4_crop_pct": 56.2,
   "share_of_3_4_frame_filled_by_photo_pct": 56.2
  },
  {
   "ratio": "3:2",
   "width_over_height": 1.5,
   "within_instagram_range": true,
   "posted_size_px": "1080 x 720",
   "width_kept_by_centre_3_4_crop_pct": 50.0,
   "share_of_3_4_frame_filled_by_photo_pct": 50.0
  },
  {
   "ratio": "16:9",
   "width_over_height": 1.778,
   "within_instagram_range": true,
   "posted_size_px": "1080 x 608",
   "width_kept_by_centre_3_4_crop_pct": 42.2,
   "share_of_3_4_frame_filled_by_photo_pct": 42.2
  },
  {
   "ratio": "2:1",
   "width_over_height": 2.0,
   "within_instagram_range": false,
   "posted_size_px": "1080 x 566",
   "width_kept_by_centre_3_4_crop_pct": 37.5,
   "share_of_3_4_frame_filled_by_photo_pct": 39.3
  }
 ],
 "calculation": "Centre 3:4 crop keeps 0.75 / ratio of the width. Posted height = 1080 / min(ratio, 1.91). In a 1080 x 1440 frame the photo fills 0.75 / min(ratio, 1.91) of the height.",
 "batchpad": {
  "source_photo": {
   "file": "batchpad/assets/placeholder.jpg",
   "size": [
    1216,
    810
   ],
   "sha256": "00accc73c88a7df264deca47831f40f084889627d6033ac6abdb6444639bbcfe"
  },
  "renders": [
   {
    "preset": "instagram_post (built-in, 3:4, 1080 x 1440 export)",
    "fill": "solid colour (preset default)",
    "preview_size": [
     1500,
     2000
    ],
    "sha256": "a6e61894decc260508637d455fc61e4eaffab280f312e6746053f9ea603546b0"
   },
   {
    "preset": "instagram_post with Fill > Blur (blurredImage, radius 30); not a built-in preset",
    "fill": "blur (Pro)",
    "preview_size": [
     1500,
     2000
    ],
    "sha256": "b43716f6c4658afc0c4bedd1968fa3a63bfa46298e36d1eda8190b6c4df27ea7"
   }
  ],
  "renderer": "batchpad tool/render_preset_gallery_test.dart at commit 4840009, run 2026-10-14 in a clean worktree",
  "limits": "App review previews (1500 x 2000), not exports or Instagram uploads. Panel 2 is a geometric illustration made here, not an Instagram screenshot."
 }
}