The recommended 인스타그램 Instagram feed (portrait 4:5) spec is 1080×1350 px (4:5). Portrait 4:5 (1080×1350) takes the most screen space in the feed and tends to get higher reach and saves. Profile grids also crop to 4:5 since 2025.
"Fill" center-crops when the ratio differs. "Fit" pads with the chosen color. "Fit width" keeps the height ratio, for detail pages.
Drag the preview of a "Fill" result to move the crop.
JPG, PNG or WebP, quality 50–100. Each result card shows size and weight.
Select several files to convert them to the same spec and download with "Save all".
1080×1350 px, ratio 4:5. Portrait 4:5 (1080×1350) takes the most screen space in the feed and tends to get higher reach and saves. Profile grids also crop to 4:5 since 2025.
Choose "Fit (padding)" to avoid cropping; with "Fill" you can drag the preview to move the crop.
Upscaling beyond the original blurs. Use the largest original you have; when downsizing, quality 90+ is visually lossless.