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App Icon Generator

ブラウザ内で安全にApp Icon Generatorを実行。サーバーへのアップロード不要、登録不要、完全無料。

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1. Upload Logo / Icon

Use a square image — 1024×1024px source recommended

2. Settings

App store icons cannot have transparency — a solid background is required by Apple and Google.

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Upload your logo to generate every iOS and Android app icon size

App Icon Generator

DCPIXELのブラウザ内高速処理技術により、ファイルは端末の外に出ることなく安全に処理されます。

🔐 100% Private — Client-Side Execution

All processing happens inside your browser using WebAssembly and HTML5 Canvas. Zero file uploads, zero server tracking. Compliant with LGPD & GDPR.

よくある質問 (FAQ)

Why can't my icon have a transparent background?
Both the Apple App Store and Google Play Store reject icons with transparency — they require a fully opaque background, which this tool applies automatically.
Do I need a separate icon for iOS and Android?
No single file works for both natively, but this tool generates the complete size set for each platform from one source image, so you only need to design your logo once.
What size should my source image be?
Upload a square image at least 1024×1024px for the sharpest results across every generated size, especially the App Store and Play Store listing icons.
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Score 99+ on Google PageSpeed Insights

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