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Convert SVG to ICO: Free Online Converter

Convert Scalable Vector Graphics to Windows Icon online for free. Fast, secure image conversion with no watermarks or registration.

163,370件のファイルを変換済み

SVGに対応

アップロードすることで、これらのファイルの権利を有していること、および利用規約に同意することを確認したものとみなされます。

変換設定: ファイルを追加すると調整できます

Uses the camera orientation stored in the photo.

Remove EXIF data, GPS, camera info

安全な転送

HTTPS暗号化アップロード

プライバシー優先

ゲストのファイルは約2時間で自動削除

登録不要

すぐに変換を開始

どこでも動作

あらゆるブラウザ、あらゆるデバイス

変換成功率をリアルタイムで見る

SVG から ICO への設定

エンジン
画像
設定
調整できる設定: 3
  • Icon Size
  • Rotate upright
  • Strip Metadata

変換方法

1

アップロードエリアにドラッグするか、クリックして選択し、.svgファイルをアップロードしてください。

2

必要に応じて出力設定を調整してください。デフォルト設定ではオリジナルの品質を維持します。

3

「変換」をクリックし、準備ができたら.icoファイルをダウンロードしてください。

SVGからICOへの変換について

ICO (Windows Icon) is the dedicated icon format for Windows operating systems, containing multiple image sizes within a single file for different display contexts. Converting SVG to ICO is the standard process for creating Windows application icons, favicons, and shortcut icons from vector source artwork. Because SVG is resolution-independent, it is the ideal source format for generating the multiple size variants that an ICO file requires.

A properly constructed ICO file contains several embedded images: typically 16x16, 32x32, 48x48, and optionally 64x64, 128x128, and 256x256 pixels. Windows selects the appropriate size based on the display context: taskbar icons use 16x16 or 32x32, desktop icons use 48x48 or larger, and high-DPI displays use the largest available size. The converter rasterizes the SVG at each required size and packages all variants into the ICO container.

SVGをICOに変換する理由

Windows requires ICO files for application executables, desktop shortcuts, and file type associations. No other format — not PNG, not SVG — can serve as a Windows application icon embedded in an .exe file. If you are developing a Windows application or need to customize a desktop shortcut icon, ICO is the only option.

For web favicons, ICO remains the most compatible format. While modern browsers support PNG and SVG favicons, ICO files are recognized by all browsers including Internet Explorer and work in bookmark bars, tab icons, and Windows pinned sites. Many web developers maintain an ICO favicon alongside modern SVG favicon declarations for maximum compatibility.

主な活用例

  • Create Windows application icons from SVG logo designs
  • Generate favicon.ico files for websites from SVG brand marks
  • Build desktop shortcut icons from SVG source artwork for Windows deployment
  • Create file type association icons from SVG designs for Windows installers
  • Generate taskbar icons from SVG for Windows system tray applications
  • Produce multi-resolution ICO files from a single SVG source for consistent branding

仕組み

The converter rasterizes the SVG at three standard sizes (16x16, 32x32, 48x48) and packages them in a single ICO file using the Windows icon format specification. Each size is rendered independently with anti-aliasing for optimal sharpness at that specific resolution. Transparency from the SVG is preserved as ICO alpha channel data. The 32x32 and 48x48 images use 32-bit BGRA (with alpha), while 16x16 may use the same or fall back to 8-bit with a 1-bit transparency mask for legacy compatibility.

品質とパフォーマンス

Because SVG is resolution-independent, each ICO size variant is rendered at native resolution rather than being downscaled from a larger raster. This produces the sharpest possible icons at every size. Small icons (16x16) may lose fine details from complex SVGs — consider simplifying the SVG for icon use. The 48x48 variant preserves significantly more detail.

Image EngineFastMinimal Quality Loss

デバイス互換性

DeviceSVGICO
Windows PCPartialNative
macOSPartialPartial
iPhone/iPadPartialPartial
AndroidPartialPartial
LinuxPartialPartial
Web BrowserNativeNo

最良の結果を得るためのヒント

  • 1Simplify your SVG design for icon use — remove fine details that vanish at 16x16
  • 2Test the converted ICO at actual icon sizes to verify readability
  • 3Include both favicon.ico and an SVG favicon declaration for maximum browser compatibility
  • 4Use bold, high-contrast shapes that remain recognizable at very small sizes
  • 5Keep the original SVG as your master source — regenerate the ICO whenever the design changes

関連する変換

Convert ICO to SVGSVG to PNG ConverterSVG to JPG ConverterSVG to GIF ConverterPNG to ICO ConverterJPG to ICO ConverterGIF to ICO ConverterSVG ConverterImage Compressor

SVG to ICO conversion is the professional workflow for creating Windows icons and website favicons. The SVG's infinite scalability produces optimally sharp icons at every required size.

SVGとICOの比較

特徴SVGICO
正式名称Scalable Vector GraphicsWindows Icon
拡張子.svg.ico

よくある質問

The converter includes 16x16, 32x32, and 48x48 pixel variants by default. These cover taskbar, desktop, and Explorer display contexts on Windows.
Yes. ICO is the most universally compatible favicon format. Place it as favicon.ico in your website root for maximum browser support. Modern browsers also support PNG and SVG favicons.
Yes. ICO supports full alpha transparency. SVG elements with partial opacity are rendered correctly in the ICO output.
The standard conversion includes up to 48x48. Some ICO specifications support larger sizes for Windows Vista and later — check the advanced settings for options.
Yes, especially for 16x16 icons. Fine details, thin lines, and small text become indistinguishable at small sizes. Many designers create simplified icon variants of their logos specifically for favicon use.
SVG favicons are resolution-independent and future-proof, but ICO has broader compatibility (including Internet Explorer). Best practice is to declare both in your HTML.

関連する変換とツール

逆変換

ICO to SVG→

SVGから他の形式への変換

SVG to PNG→SVG to JPG→SVG to GIF→

他の形式からICOへの変換

PNG to ICO→JPG to ICO→GIF to ICO→

関連ツール

Image Compressor→

さらに見る

All Image Conversions→

SVGを他の形式に変換

SVG to BMPSVG to GIFSVG to JPGSVG to PNGSVGのすべての変換

他の形式をICOに変換

GIF to ICOJPG to ICOPNG to ICO