What is the best aspect ratio for Instagram feed posts?
The 4:5 vertical portrait format (1080 x 1350 px) occupies the most vertical screen real estate on mobile feeds.
How to Use Social Media Image Dimensions & Resizer Guide
Step 1: Select Platform
Choose Instagram, YouTube, Twitter/X, LinkedIn, TikTok, or Facebook.
Step 2: View Dimensions
Inspect exact pixel widths, heights, aspect ratios, and safe margins.
Key Features & Capabilities
- Covers 20+ formats (Stories, Feed Posts, Carousels, Profile Photos, Banners)
- Highlights safe viewing zones for profile overlays and UI buttons
Frequently Asked Questions
What are the dimensions for Instagram Stories and Reels?
1080 x 1920 pixels with a 9:16 aspect ratio is the standard full-screen mobile format.
Related Tools
- Image Cropper — Crop photos to custom dimensions or standard aspect ratios like 16:9, 1:1, 4:3.
- Aspect Ratio Calculator — Calculate proportional pixel dimensions for 16:9, 4:3, 1:1, 9:16, and custom ratios.
- Open Graph Image Generator — Generate 1200x630 social share preview images for Twitter, LinkedIn, and Facebook.