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A browser-based app icon squircle & mask previewer tool. No data sent to server.

📘 How to Use

  1. Upload or drag and drop your square icon image.
  2. Select the target OS or shape to preview the applied mask.

App Icon Squircle & Mask Previewer

upload_file

Click to select or drag & drop

Safe Area Guide

Include guide lines in image

info

Reference Metrics

  • iOS / macOS: Safe area is approx the central 80% of the bounds.
  • Android (Adaptive): Safe zone is a 61-66% (625px) inner circle.
  • Resolution: 1024 × 1024 px or higher square image.
1024 × 1024 px

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Article

App Icon Squircle Previewer｜Test & Export iOS, Android, and macOS Icon Masks

This online tool allows app developers and designers to preview how a square icon will look when masked by different operating system shapes. Instantly visualize and export your icon as an iOS/macOS squircle or an Android adaptive icon to ensure your design is perfectly centered and avoids unwanted cropping.

💡 Tool Overview

  • Multi-Platform Previews: Instantly apply the specific icon masks for iOS, macOS, Android Circle, and Android Squircle to your image.
  • Safe Area Guides: Toggle a visual guide to ensure key elements of your icon fall within the "safe zone," the area guaranteed to be visible on all devices, especially for Android Adaptive Icons.
  • High-Resolution PNG Export: Download the masked version of your icon as a high-quality PNG file with a transparent background, ready to be used in your app store listings or development projects.
  • Client-Side Processing: Your images are processed entirely within your browser. No data is ever uploaded to a server, ensuring your designs remain private.

🧐 Frequently Asked Questions

Q. What is a "squircle"?

A. A squircle is a shape that smoothly blends the properties of a square and a circle. Apple popularized its use for iOS and macOS app icons to create a visually consistent and softer aesthetic on the home screen compared to sharp-cornered squares.

Q. Why is the Android safe area a small circle?

A. This relates to Android's "Adaptive Icons" feature. Device manufacturers can apply different masks (circle, square, teardrop, etc.) to app icons. The inner circular "safe zone" (typically the central 66% of the image) is the only area that is guaranteed to be visible across all possible masks. Placing your primary logo or graphic inside this zone is critical for brand consistency on Android.

Q. What is the ideal source image format?

A. For the best results, upload a square PNG or JPG image that is at least 1024x1024 pixels. Using a high-resolution source ensures that the final masked and exported icon is sharp and clear.

📚 Fun Facts about App Icon Shapes

The seemingly simple shape of an app icon is the result of careful design system choices. Apple's "squircle" is not a simple mathematical superellipse; it's a more complex curve with smoother transitions, which is notoriously difficult for designers to replicate perfectly. Tools like this one use standardized mask values to approximate the official shapes, saving designers the trouble of creating them from scratch. This standardization is a key part of modern UI design, moving away from the varied, skeuomorphic icons of the past towards a more uniform and cohesive visual language that defines an operating system's identity.