無料 Favicon Generator

ファビコン作成がいちばん簡単。画像をアップロードして、すぐにアイコンをダウンロード。

ICO / PNG / Apple Touch アイコンを数秒で作成。あらゆる画像を、全ブラウザー・全デバイス向けの SEO 最適化ファビコンパッケージに変換します。

ここに画像をドロップ
PNG/JPG/SVG/WEBP/AVIF をアップロード、またはクリックして選択
推奨：正方形、512×512 以上
ベストプラクティスと手順
1) 元画像の最適化

高解像度の元画像（PNG / JPG / SVG）をアップロードしてください。ブラウザー間の互換性を高めるため、正方形比率を推奨します。生成処理で最新標準とレガシーブラウザーの両方に対応します。

2) UI 調整とブランディング

内側の余白、背景色、角丸を調整してブランドに合わせます。Android Chrome アイコンや Apple Touch Icon として表示したときも一貫した見た目になります。

3) 設置と実装

.ico / .png / webmanifest を含む一式を生成。ZIP をダウンロードし、最適化済み head スニペットをサイトのソースコードへ貼り付けて完了です。

Search & Mobile Standards

Google Search & SEO

Google requires favicons to be a multiple of 48px square to appear in search snippets. Our tool adheres to these technical guidelines to ensure your brand logo displays correctly in SERPs, preventing the default icon fallback and enhancing professional search visibility and click-through rates.

Android & Web Manifest

Android's Chrome environment uses the webmanifest to deliver high-fidelity icons for home screen shortcuts. We generate precise 192x192 and 512x512 maskable assets that solve common cropping issues, providing a seamless and native Progressive Web App (PWA) experience for all mobile users.

Apple Touch Icons (iOS)

Apple devices specifically look for the apple-touch-icon relation at 180x180 pixels for Home Screen bookmarks. Our generator provides the necessary high-resolution files and header code to ensure your favicon appears sharp on Retina displays instead of a low-quality browser thumbnail.

CMS & Framework Integration

WordPress Favicon Guide

For WordPress sites, we generate the ideal 512x512 px Site Icon. This ensures your branding remains sharp in the Customizer, dashboard, and mobile app. Our generator automates the scaling process, so you can bypass theme limitations and ensure 100% compatibility with Jetpack and various cache plugins.

Drupal Global Branding

Drupal installations require precise path management. We provide the standard favicon.ico and high-res PNGs that can be easily uploaded via the Appearance settings. Our tool optimizes file sizes to maintain fast Core Web Vitals, ensuring your Drupal site stays performant while displaying professional icons across all themes.

Custom Website & PWA SEO

For hand-coded projects and Progressive Web Apps (PWA), we deliver a full manifest.json integration. This includes optimized assets for Android and iOS (Apple Touch Icons). By using our clean HTML head snippet, you eliminate "favicon not found" 404 errors and boost your site's search engine authority and user trust.

Google’s favicon crawler operates on a slower cycle, often requiring a manualre-index request in Google Search Console to trigger a refresh. Your icon must be a square multiple of 48px and hosted on a URL that is not blocked by robots.txt. Ensure your brand remains consistent, as frequent URL changes for your icon file can reset your indexing status. Ultimately, display is never guaranteed. Google may suppress icons that violate content safety policies (such as inappropriate or copyrighted imagery), lack brand distinctiveness, or suffer from visual degradation that compromises the clarity of search results.

Use a high-resolution SVG for modern browsers and a PNG in a multiple of 48px for Google Search results. Define the SVG in your HTML with type="image/svg+xml" to ensure perfect scaling on high-DPI displays. This hybrid approach satisfies both the latest Google AI Overviews and legacy browser requirements in a single workflow.

Yes, you should keep a 32x32 pixel favicon.ico file in your root directory as a universal fallback for legacy enterprise software and link-checking tools. This simple addition prevents 404 Not Found errors in your server logs from automated scrapers that bypass your HTML link tags. While SVG is the modern standard, the root .ico file remains the internet’s safety net.

The most efficient method is embedding a CSS media query directly inside your SVG code to automatically toggle colors based on the user's system theme. For static PNGs, adding a subtle white glow or light border prevents dark logos from disappearing against dark browser tabs. This ensures your brand identity remains professional regardless of the user's interface settings.

Include a 180x180 pixel Apple Touch Icon for iOS and a manifest.json file with maskable icon support for Android devices. These declarations allow mobile operating systems to display your logo correctly on home screens rather than generating a low-quality screenshot. Without these assets, your site loses its premium native app appearance when saved to a device.
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Amazing icons, no headache...

As developers, we know how frustrating it is when simple tasks require complex tools. We built Favicon Guru to be the tool we always wanted: fast, reliable, and zero-stress. It takes any image and gives you a complete, production-ready icon set in seconds. We hope it saves you some time today.

Any feedback or ideas for improvement? We are all ears!

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