Image Sets Generator - Create iOS & Android Image Assets | a0.dev

Image Sets Generator

Upload multiple images and generate different sizes for iOS and Android platforms. Perfect for creating complete asset packages for your mobile apps.

Upload Images

Click or drag images to this area

Upload your largest images to generate different sizes

Settings

OR

Choose the base resolution of your source images

1x, 2x, 3x

mdpi, hdpi, xhdpi, xxhdpi, xxxhdpi

iOS Assets

  • • @1x (base resolution)
  • • @2x (retina displays)
  • • @3x (retina HD displays)
  • • Organized in ios/ folder

Android Assets

  • • drawable-mdpi (1x)
  • • drawable-hdpi (1.5x)
  • • drawable-xhdpi (2x)
  • • drawable-xxhdpi (3x)
  • • drawable-xxxhdpi (4x)
  • • Ready for Android Studio
1

Upload Images

Drag and drop or select your highest resolution images

2

Configure Settings

Choose base scale and select target platforms

3

Download Assets

Get a ZIP file with all sizes organized by platform

25K+
Developers
500K+
Image Sets Generated
100%
Free

Platform Requirements

Detailed specifications for each platform to ensure your images meet all requirements

iOS Requirements

@3x (Retina HD)Base resolution
@2x (Retina)2/3 of base size
@1x (Standard)1/3 of base size

Android Requirements

xxxhdpi4x density
xxhdpi3x density
xhdpi2x density
hdpi1.5x density
mdpi1x density

Image Gallery

Examples of well-designed images that work perfectly across all screen densities

Game app icon example
Smile app icon example
Robot app icon example
Camera app icon example
Dragon app icon example
Rocket app icon example

These examples show how different image types work perfectly at all densities

High QualityMultiple SizesOptimizedReady to Use

Image Sets Design Guidelines

Best practices to create image sets that work perfectly across all screen densities

Design Principles

1
Use Vector Graphics

Start with vector graphics or high-resolution images for best scaling

2
Test at All Sizes

Ensure your images look good at both small and large sizes

3
Consistent Style

Maintain visual consistency across all image variants

Technical Requirements

Format

PNG format recommended for transparency and quality

Resolution

Upload highest resolution available for best results

Organization

Files are automatically organized by platform and density

Frequently Asked Questions

What image formats are supported?

We support PNG, JPG, and SVG formats. PNG is recommended for best quality and transparency support, especially for UI elements.

What's the difference between 3x and 4x base?

4x base includes xxxhdpi density for Android, while 3x base stops at xxhdpi. Choose 4x if you want maximum density support.

Can I upload multiple images at once?

Yes! You can drag and drop multiple images or select multiple files. Each image will be processed separately and included in the final ZIP.

How do I use the generated image sets in my app?

For iOS: Add the images to your Xcode project. For Android: Place them in the appropriate res/drawable folders based on density.

Is this tool free to use?

Yes! Our image sets generator is completely free with no limits on usage, file size, or downloads.

Ready to Generate Your Image Sets?

Save hours of manual resizing. Upload your images and get perfectly sized assets for all screen densities and platforms.

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