Resize Image for Instagram Post (1080×1080)
Resize and crop your photos to the perfect dimensions for Instagram posts — 1080×1080 for square, 1080×1350 for portrait (4:5), or 1080×566 for landscape. Instagram automatically compresses images that aren't the right dimensions, causing visible quality loss. By resizing to exact specs before uploading, you control the quality completely. Everything in your browser — no accounts, no apps, no uploads.
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Click to upload your photo
Resize to the perfect Instagram format
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Frequently Asked Questions
Common questions about using this tool — answered.
Instagram post optimal sizes: Square (1:1 ratio) — 1080×1080 pixels. Landscape (1.91:1) — 1080×566 pixels. Portrait (4:5) — 1080×1350 pixels. File size under 8MB (but keep under 1MB to avoid Instagram's re-compression).
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