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9 Patch Editor

The 9 Patch Editor is an online WYSIWYG tool designed to help users create 9 patch images, which are essential for developing flexible user interfaces. Th...

FreemiumDesignImage GenerationDeveloper ToolsWeb
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9 Patch Editor screenshot

What is 9 Patch Editor?

The 9 Patch Editor is a web-based tool for creating 9 patch images, a specialised image format used in Android development and other UI frameworks. Nine patch images allow a single graphic to scale intelligently across different screen sizes by defining which areas can stretch and which must remain fixed. This tool provides a visual editor where you can draw guides on an image to mark the stretchable regions, then export the properly formatted file. It's aimed at mobile app developers and UI designers who need to create scalable graphics without manually coding the format. The online nature means you can work directly in your browser without installing additional software.

Key Features

Visual guide editor

Draw stretch and content area guides directly on your image with a point-and-click interface

Live preview

See how your nine patch image will scale across different dimensions in real time

WYSIWYG editing

No code knowledge required; define stretchable regions visually

Direct export

Download your nine patch image in the correct format for Android and other platforms

Browser-based

Access from any device with a web browser; no installation needed

Pros & Cons

Advantages

  • Free to use with no sign-up required for basic functionality
  • Intuitive visual interface makes nine patch concept accessible to designers without technical background
  • Instant preview feedback helps you validate stretch behaviour before exporting
  • Quick workflow for teams building Android apps or multi-platform UIs

Limitations

  • Limited to nine patch format; not a general graphics editing tool
  • May lack advanced features for complex UI scaling scenarios
  • Dependency on browser performance for large or high-resolution images

Use Cases

Creating scalable button backgrounds for Android applications

Designing dialogue box frames that resize cleanly across different screen sizes

Producing responsive border and decoration graphics for mobile apps

Building UI asset libraries where single images must work across multiple device resolutions

Pricing

FreeFree

Full access to the nine patch editor, visual guide tools, preview, and export functionality

Quick Info

Website
9png.app
Pricing
Freemium
Platforms
Web
Categories
Design, Image Generation, Developer Tools

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