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Unable to Properly Decode/Display Large Images in a Flutter App: What’s Going Wrong?

Trushit Kasodiya
5 min readDec 26, 2024

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Flutter App displaying large image issue error.
Flutter App: Fixing “Unable to Properly Decode/Display Large Images” issue for better performance.

Hey there! If you’re developing a Flutter app and have encountered the frustrating issue of large images not displaying properly or even causing crashes, don’t worry — you’re not alone! This issue is more common than you might think, and I’ve faced it too.

As Flutter developers, we sometimes forget that images are not just small files; they can be pretty heavy, and managing them in mobile apps requires some special care.

In this blog, I’m going to explain why this issue occurs, and more importantly, how to fix it.

I’ll walk you through the potential causes, practical solutions, and some helpful tips that’ll make your Flutter app run smoother when dealing with large images. So, let’s dive in!

Why Do We See the “Unable to Properly Decode/Display Large Images” Error in a Flutter App?

First things first, let me quickly give you an idea of why you might be seeing this error. When you load large images in a Flutter app, the framework tries to decode them for display. The error usually happens because:

  1. Memory Overflow: Large images take up a lot of memory, and if your app doesn’t have enough memory available, it fails to…

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Trushit Kasodiya
Trushit Kasodiya

Written by Trushit Kasodiya

Flutter Developer with 4 years of experience in building mobile and web apps. Skilled in React Native, Firebase, Java, and Figma. Passionate problem-solver.

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