Instagram Sizes

On this page you will find the complete specifications for all Instagram content types. Get the exact dimensions, aspect ratios, and file requirements for Instagram. Updated for 2026.

Reels

Updated 2026
Create vertical short form videos that fill the screen, grab attention fast, and look clean on mobile. Reels perform best when exported in high quality and framed correctly from the start.
Dimensions:
1080×1920
Aspect Ratio:
9:16
Max Size:
4GB
Format:
MP4, MOV
View full specifications →

Stories

Updated 2026
Design Stories for full screen viewing with sharp visuals, readable text, and safe spacing near the edges. A properly sized Story feels polished and keeps viewers focused on the message.
Dimensions:
1080×1920
Aspect Ratio:
9:16
Max Size:
4GB
Format:
MP4, MOV
View full specifications →

Feed

Updated 2026
Feed posts should look crisp in the main timeline and hold their quality when users tap through to view them larger. Portrait images often take up more screen space and can improve visibility.
Dimensions:
1080×1350
Aspect Ratio:
4:5
Max Size:
30MB
Format:
JPG, JPEG
View full specifications →

Profile

Updated 2026
Your profile image should stay clear, centered, and recognizable even at small sizes. Use a clean square image so your brand, logo, or face remains strong in every Instagram view.
Dimensions:
1080×1080
Aspect Ratio:
1:1
Max Size:
30MB
Format:
JPG, JPEG
View full specifications →

Instagram Content Best Practices

✓ Use Instagram-friendly dimensions so your posts look sharp and display properly in the feed, Stories, and Reels
✓ Keep file sizes optimized to improve load speed and create a smoother viewing experience
✓ Experiment with different aspect ratios to find the formats that get the most engagement from your audience
✓ Use PostFast to quickly resize and optimize your content for Instagram before publishing

A punchier version if you want it more marketing-focused:

Instagram Content Best Practices

✓ Design with the right dimensions to help your content look polished and platform-ready
✓ Compress and optimize files so posts load fast and feel seamless to viewers
✓ Try multiple aspect ratios and track which ones drive the best results
✓ Save time with PostFast by automatically resizing and optimizing every post for Instagram

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