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Aspect Ratio Guide
Exact 1:1, 4:5, and 9:16 dimensions with safe-zone overlays.
Feed Portrait specs
1080 × 1350px • 4:5
Maximum feed screen space — best reach. Profile grid crops it to 1:1 (135px cut top + bottom).
Upload a photo to test safe zones
4:5
GRID CROP
GRID CROP
Preview scaled to 208×260px • red zones are eaten by Instagram UI
Next in your workflow:
Simple Steps
How to Use the Aspect Ratio Guide
014 Placements
Pick a placement
Choose feed square, feed portrait, story, or reels format.
02Pixel-Exact Specs
Check exact dimensions
Get the precise pixel dimensions and safe-zone margins for 2026.
03No Surprise Crops
Design with confidence
Build your creative to spec so Instagram never crops or compresses unexpectedly.
FAQ
Aspect Ratio Guide FAQ
What is the best aspect ratio for Instagram feed posts?+
4:5 portrait (1080 × 1350 pixels) takes up the most mobile screen space and earns the most attention in feed.
What size are Instagram stories and reels?+
Stories and reels use 9:16 vertical at 1080 × 1920 pixels, with UI overlays to respect at the top and bottom.
Is this guide free?+
Yes, completely free with no login required.