Official 2026 Platform Specs
Instagram Carousel Resizer & Studio
Ensure every slide in your carousel post shares the exact same seamless aspect ratio.
100% private in-browser processing. Zero cloud uploads.
Verified Specifications
Recommended Slide Size1080 × 1350 px (4:5)
Slides Per PostUp to 10 photos / videos
File FormatHigh-quality JPG / WebP
How to format your photo step-by-step
- Select 2 to 10 photos for your Instagram carousel.
- All slides will automatically match the high-engagement 4:5 vertical portrait format.
- Use smart blur padding for horizontal photos so they match vertical captures smoothly.
- Download standardized files and post directly to Instagram.
Frequently Asked Questions
Can I mix landscape and portrait photos in one Instagram carousel?
Instagram forces all images in a carousel to take the aspect ratio of the very first photo. By using our Carousel Studio with smart padding, you can include horizontal photos without any forced cropping.