Instagram Feed Update: The Truly-Final Guideline I Tested Myself (feat. AI Thumbnail Automation)
AI Insights
4 min read

Instagram Feed Update: The Truly-Final Guideline I Tested Myself (feat. AI Thumbnail Automation)


Instagram recently updated its thumbnail ratio from square to rectangle.
Despite many users' complaints, CEO Adam Mosseri reportedly said he won't revert it. 🥲

3:4 won't upload, 4:5 uploads but breaks…
Many brand Instagram managers and designers are grabbing the backs of their necks.

Today, the one I stayed up all night testing myself!
⭐The Instagram Feed _ Final _ Really-Final _ Perfectly-Concluded _ Guideline⭐ — here you go!

At the end, I'll also introduce an AI tool that solves this in 10 seconds!
I worked hard on this, so please read to the end 💛

<CONTENTS>
1. Instagram update fix 1: fixing the broken 'split feed'
2. Instagram update fix 2: the perfect formula for no thumbnail cropping
3. Various thumbnail images, fixed in 10 seconds with an AI tool — here's how


1. Instagram update fix 1: fixing the broken 'split feed'

  • Instagram's 'split feed' arranges photos in a mosaic such as a 9-grid,
    so they look like one big image on your profile.

  • Many brands and celebrities have used it as a promotion method, but
    after the update they all broke comically, and victims kept piling up. 😅

src. instagram @hipkr_
  • Even more shocking: even if you re-split it at 4:5 and re-upload, it still breaks!

  • Because of this, opinions online are split — some say 4:5, some say 3:4.

  • Unable to find a fix anywhere…
    I stayed up all night testing it myself, and here's the real solution I found.

  • On Instagram, the maximum vertical ratio for upload is 4:5.

  • But, frustratingly… the thumbnail was updated to 3:4.
    (cue designers grabbing their necks…)

1. First, split the photo to fit 1080 : 1440 (3:4).
2. Extend both sides by 36 pixels each to make it 1152 : 1440 (4:5) and upload — fixed!

  • Instagram managers, from now on don't suffer like I did when posting a split feed! 🥹


2. Instagram update fix 2: the perfect formula for no thumbnail cropping

  • The second type of damage is when the post thumbnail itself looks cropped.

  • Card news, ad images, all broke.

  • Even more shocking: on PC, the Instagram feed still shows at 1:1! 🙉

  • Since the thumbnail ratio differs between PC and mobile, designers suffer (again)…

  • Our Instagram was no exception! 😭 It's now fixed, as in the image below.

instagram @dalpha.ai
  • Here's the perfect formula for making an image with no problems anywhere — PC, mobile, or thumbnail.

  • Pay attention to the image and explanation below!

1. Design it to a 4:5 ratio, but make sure all the content fits within the square.
2. Leave a 3% margin on each side based on the horizontal length so it doesn't break in the 3:4 thumbnail either.

  • Just follow the formula above and you can make feed images with no problems anywhere — PC, mobile, or thumbnail!

  • After figuring out the thumbnail formula, I finished this task with AI in just 10 seconds.

  • The AI tool I used is 'AIMS'!


3. Various thumbnail images, fixed in 10 seconds with an AI tool — here's how

  • Below is a 10-second video of actually using the AI image auto-fixing tool 'AIMS'.

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AIMS in actual use!

  • You can see the smart AI move individual design elements like text and images to
    make the image the ratio you need, and even edit it afterward!

  • With AIMS, not just Instagram thumbnails but site banner ads, Coupang main images, and more — you can edit images in one click to fit the requirements of various platforms.

Example results of actually using AIMS
  • AIMS is an in-house tool Dalpha developed in collaboration with Lotte Daehong Communications!

  • Ad agencies actually use AIMS as a tool to efficiently automate ad-creative design.

  • You can also see cases used in advertising in the blog post below.

  • You can check AIMS's detailed features in the blog post below.


  • Practitioners interested in AIMS — via the 'Contact' button below, leave a quick inquiry and
    Dalpha will check and reply to you quickly 📨

Inquire about the image-diversification AI solution


At Dalpha, through 1:1 consulting,
we plan and build AI solutions specialized for each company and product.
Free consultation — if you're interested, reach out anytime!

Serin Choi

Serin Choi

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